300 MEK Questions PDF

MEK MEK The respondent's email ([email protected]) was recorded on submission of this form. what material is not commonly used as a insulating material plastic wood glasswool firebrick identify the picture pressure gauge c...

MEK MEK The respondent's email ([email protected]) was recorded on submission of this form. what material is not commonly used as a insulating material plastic wood glasswool firebrick identify the picture pressure gauge compound gauge pressure regulator vacuum gauge identify the picture water type extinguisher mechanical foam type DCP co2 extinguisher manhole door on a tank is fitted for allowing entry to the tank when needed strengthening the tank preventing damage to the tank preventing entry to the unauthorised person identify the picture angle pliers combination pliers wire cutter external circlip plier why should a co2 extinguisher used with caution in confined areas it will increase the oxygen level in confined area to a dangerous level it may explode when exposed to heat it may displace the air and reduce the amount of oxygen available it may not operate effectively in confined areas which of the following is provided for connecting shore water supply international shore connection fire hydrant fixed foam syatem foam tank in welding screen welding glasses are used with protective glasses true false which one of the following is first used on small fire in engine room fire pumps and hoses non portable fire extinguisher fire blanket portable fire extinguisher too long arc length cause even bead, good penetration fine splatter flat bead low penetration coarse splatter uncontrolled penetration slag globules electrode stuck to weld identify the picture pipe wrench spanner clipper mallet which one is not a part of fire triangle fuel heat air electricity the welding arc length should be less than the diameter of the electrode 6-12mm equal to the diameter of the electrode 20mm which of these are not fitted on a cylinder head of a diesel engine starting valve turbocharger indicator valve exhaust valve which instrument is used for testing insulation driver meggar drager jagger which of the following is topmost part of a diesel engine piston cylinder head crankshaft crankcase door which of the tank normally fitted with a gauge glass for checking liquid level fore peak after peak lub oil storage tank double bottom tank the function of electrode dryer is to wet the electrodes that have been exposed to a humid atmosphere true False LEL stands for lower explosive limit lower expansion limit lower electricity limit lower electronic limit identify the picture screw pump gear pump centrifugal pump rotary pump which is the bottom most part of diesel engine piston turbocharger exhaust valve connecting rod what is arrow pointing to spring washer locking washer nut plain washer purpose of fresh water circulation through diesel engine cylinder is to remove heat of combustion prevent corrosion clean exhaust gases lubricate moving parts in a mixture of flammable vapour and air if there is too much vapour and not enough air to support combustion, we say the mixture is too rich overconcentrated too lean saturated identify the following picture check valve globe type swing check valve butterfly valve gate valve what is to be checked in purifier during its operation temperature of heating steam water level no oil is coming from water side speed of the electric motor identify the picture screw flashback arrestor a type of valve nut turning gear on main engine provided for release parts if jammed ensure turning of propeller turning the engine during overhaul remove exhaust gas from cylinder the instrument needed/provided for measuring the water level in the boiler is sight glass depth gauge gauge glass micrometer the function of a purifier or centrifugal separator is to pressurize air or gases separate solids and liquids trap solid particles make liquid flow the purpose of the fuel oil in a diesel engine is to gives power reduce friction cause explosion turns turbocharger before starting maintenance work on any machine,following precautions to be taken...mark the incorrect one remove the safety guards put a warning poster on main switch switch on the main supply switch off the machine identify the type of nut prevailing torque lock nut wing nut serrated nut nut you are carrying out a search in a smoke filled compartment wearing BA.at what stage should you start to make your way out of the compartment wait until BA set warning whistle sound 15 minutes after starting to use the set as this leaves you with 5 minutes air left regularly check your pressure gauge and note how much air you used to reach the work area,start to return when you have this amount left plus a reserve. none of the above identify the picture sledge hammer sounding pipe with self closing cock self closing valve ball peen hammer during lathe work, goggles protect our eyes from dust falling object heat and fumes metal chips identify the picture gate valve globe valve pressure relief valve or safety valve butterfly valve identify the picture ratchet block pulley block chain block chain what is the purpose of a die(a hand tool) * to smooth surface to start messed up engine to make internal thread to make external thread IDENTIFY THE PICTURE level gauge sight glass oil indicator gauge glass freshwater generator on a ship produces freshwater from seawater seawater from freshwater clean water from bilge water drinking water impeller of a centrifugal pump is fitted to the casing a gland the motor a shaft a die used to make thread on pipes true False if any chemical fall on your body, the first action should be thoroughly wash affected area under running water apply coolant to the affected area wipe it with a clean soft cloth call for doctor what is the minimum value of shock that could be fatal 25mA 35mA 20mA 15mA function of a diesel engine lubricating oil is to reduce friction between moving parts,cooling the parts and to supply power turn the crankshaft improve combustion prevent corrosion function of crankcase relief door is to stop the engine release pressure from crankcase detect mist inside crancase reduce the speed fo the engine which system is not required for main engine feed system lubricating system cooling system fuel system for good combustion the color of the exhaust gas from a diesel engine should be light grey light brown colourless bluish white identify the picture mechaincal foam type extinguisher water type extinguisher co2 foam extinguisher rudder of a ship is turned by means of hydraulic pump ram and cylinder arrangement propeller steering wheel what is to be used in case of the fire engine room become out of control fire pumps and hoses fixed co2 fire extinguishing system portable fire extinguisher 45 litre foam extinguisher a strict fire and safety patrol is kept in drydock because there is no ship power supply there is no water in the drydock of repair work being carried out there are shore staff present onboard which of the following is not a part of air compressor valve injector filter shaft identify the following part flange metal gasket rubber gasket steam gasket the process of converting gas to liquid is called evapouration condensation sublimation boiling before starting a generator engine, LO hand pump operated to supply LO to moving parts turn the engine check the level of the tank warm up the engine identify the picture plier t spanner bearing puller tool post epoxy paints consist of binder and hardner primer and a solvent top coat and a undercoat chlorine based paints the purpose of exhaust gas in a diesel engine turn turbocharger increase air supply gives power reduce friction fire hoses on ship made of strong canvas thick cloth leather flexible steel Which term refers to the highest concentration of a substance in air that will ignite and propagate a flame in the presence of an ignition source? flash point fire point LEL UEL identify the picture gate valve globe valve fire hydrant butterfly valve what kind of washer shown in picture plain washer locking washer locking nut spring washer what is the name of the mounting which automatically releases excess steam pressure/ blow down valve steam stop valve safety valve gauge glass function of a pump is to control flow of fluids compress fluids pressurise fluids purify liquids the purpose of injector on the cylinder head of a diesel engine is to inject compress air inject chemical inject cylinder oil introduce fuel various components of steering gear, mark the incorrect one hydrophore unit control unit actuating unit power unit antifouling paint is applied to the underwater hull immediately after grit blasting the ship bottom prior to flooding the drydock after flooding the dry dock when the vessel sits on the keel block levers/handle is actuator for----- gate valve safety valve globe valve butterfly valve/ball cock to make a new flange for a pipe you will need welding machine and milling machine grinding, hammer and drilling machine grinding machine, drilling machine,pipe lathe machine and drill machine which of the following is used for maintaining a tightness of a nut spring washer flat washer circlip gasket excessive paints flowing down while painting is called peeling sagging grinning crawling identify the following sign for chemistry lab sign for fire danger sign for pyrotechnics sign for chemical danger boiler is used for steam generation heating water burning garbage waste treating human waste identify the picture single end open spanner single end open bend spanner crow foot spanner ring spanner centrifugal pump is a part of bilge ballast propulsion fuel oil identify the picture socket spanner double ended offset ring spanner open wrench double ended open spanner identify a valve which prevents backflow of liquid Option 1 Option 2 Option 3 Option 4 danger of lifting heavy equipment manually is sprain fracture slip fall the function of a valve is to indicate pressure pressurise air or gases control flow of liquid pressurise liquid which of the following is not within engine room generator engine mooring winch boiler air compressor identify the picture single end open ring spanner set of combination spanner ring spanner open ring spanner identify the picture quick closing valve gate valve globe valve butterfly valve most dangerous aspects of oil fired boiler is flame failure black smoke choking of water level gauge glass fuel oil contamination welding gloves made from tanned leather may be of following combination 3 finger and 5 finger type 2 finger and 4 finger type 4 finger and 6 finger type 1 finger and 2 finger type a gear pump is most suited for gas oil air water disposal of used/expired chemical container should be done by disposal with ship garbage burning in incinerator disposal as per makers instruction throwing into deep sea do's on machine safety, mark the incorrect one keep the machine clean and in good condition check wheel rotation after running of machine switch off machine immediately if anything goes wrong check oil level of machine before starting turbo alternator is a generator operating on steam produced from waste heat of main engine exhaust gases true False the unit for density kg/m3 bar or kg/cm2 kilograms ohm the purpose of fuel oil in diesel engine reduce friction turn turbocharger gives power causes explosion identify the picture adjustable spanner flare spanner both end open spanner combination spanner while the boiler is operating you will make sure black smoke is coming out water level is maintained vent valve is open safety alarm bypassed identify the picture portable type extinguisher mobile foam extinguisher fixed extinguisher non portable fire extinguisher exhaust gas from main engine goes to atmosphere through oil fired boiler inert gas generator exhaust fan exhaust gas boiler What is spontaneous ignition? The ignition of a substance without the application of an external ignition source The temperature at which a substance emits vapors that will ignite in the presence of an ignition source The temperature at which a substance's vapor pressure is equal to atmospheric pressure The temperature at which a substance's flames become self-sustaining the process of conversion of solid to gas is called melting sublimation condensation freezing a stud has thread at one end with a slot at other end double pitch thread hexagonal head and thread at other end thread at both ends TURBOCHARGER IN A DIESEL ENGINE INCREASE RPM INCREASE PRESSURE OF INTAKE AIR DECREASE THE PRESSURE INTAKE AIR ACT AS FUEL CHARGER identify the picure single end open spanner adjustable or screw spanner torque spanner ring spanner exhaust valve in a diesel engine moves up and down rotate in place stay in place opens and closes PISTON IN A DIESEL ENGINE MOVES UP AND DOWN OSCILLATES ROTATES IN PLACE STAY IN PLACE the function of air bottle is to store control flow cooling or heating ventilation store air sewage treatment plant related to human waste steering storing vegetable starting the function of level gauge is to separate solids and liquids indicate pressure pressurise liquid indicate level trunk type engine have piston rod connected between piston and connecting rod true False identify the picture screw pump gear pump eductors centrifugal puump which of the following is used for engine room fixed fire fighting system chemical foam DCP co2 inert gas what is used for forcing out water from a portable fire extinguisher nitrogen cartridge air cartridge co2 cartridge chemical cartridge identify the picture SCBA EPIRB EEBD SART the instrument needed/provided for measuring gear box oil level is depth gauge dual pressure gauge micrometer sight glass which one of the following fitted on the cylinder head of the diesel engine lubricator indicator valve turbocharger fuel pump a quick closing valve operation carried out from a remote location outside of engine room anywhere in engine room navigation bridge steering flat Which of the following is NOT considered a boiler mounting? Pressure gauge Superheater Water level indicator Safety valve when starting engine on diesel oil,before injection the oil is heated only if necessary in cold climate by passing through the purifier by mixing with steam to same temp as heavy oil MEK stands for marine engineering knowledge maintenance engine knowledge marine electrical knowledge machine and engine knowledge while taking rounds in steering room following to be checked, mark the incorrect one leakages from pumps, pipes, joint etc load of pump in ampere oil level of MDO in steering gear system abnormal noise or vibration the instrument needed for measuring diameter is digital gauge micrometer dial gauge depth gauge identify the picture nose plier electric plier high leverage combination plier circlip plier domestic fridge related to storing vegetables steering starting main engine human waste viscosity is a term related to density weight its resistance to flow its colour the purpose of exhaust valve in a diesel engine is for fresh air intake combustion gases fuel inlet stop fuel the unit of pressure is kg/m2 kg/cm2 or bar kw/hour kg/m what machine tool will you use for making hole in a plate bending machine drill machine lathe machine grinding machine Fuel injector on a diesel engine operate at a pressure greater than starting air scavenge compression lubricating oil identify the picture refrigeration gauge pressure gauge pressure regulator vacuum gauge main sea water pump used in engine room is gear pump centrifugal pump screw pump reciprocating type drain valves are provided on the air bottles to remove fuel lube oil condensed water steam while working with machine do not wash your hand with coolant true false DONT'S in workshop, mark the incorrect one do not throw things or play practical jokes do leave your machine unattended do not run in the workshop do not touch any equipment unless authorised to do so. the outlet of fire hydrant maybe positioned anywhere from horizontal to pointing vertically downward vertically upward 45 degree above all of the above identify the picture gas cutting machine rectifier machine welding machine welding transformer machine spats protect the ankles from melted metal and splatter true False identify the picture meggar multimeter digital tester digital electric meter the function if a filter is to pressurize air or gases separate solids and liquids trap solid particles make liquid flow CONNECTING ROD IN A DIESEL ENGINE OSCILLATES ROTATES IN PLACE STAY IN PLACE MOVES UP AND DOWN lagging is the insulating material wrapped around pipes, boiler or tanks to allow heat loss true False crankshaft in a diesel engine moves up and down stay in place oscillates rotates in place diesel engine bearing will get damaged if the supply of ------- is not enough lubricating oil fuel air water the dip stick is used for checking oil level in filter tank cylinder crankcase the purpose of relief valve in a generator engine is for fresh air intake safety fuel inlet compressed air what is the recommended approach of disposal of waste oil throw into bilge in the engine room transfer into fuel oil tanks incinerate or land it ashore discharge overboard maximum weight of portable fire extinguisher should not exceed 11 kg 19kg 23kg 10kg what kind of extinguishing remedy should you choose to put out electrical fire water dry powder foam combination of water mist and co2 UMS stands for undermanned machinery space operation uniform machinery space operation unattended machinery space operation under machinery space operation function of cylinder head relief valve is to stop the engine release excessive pressure reduce speed of the engine prevent crankcase explosion the lower most ring of diesel engine piston is called split ring oil scraper ring compression ring pressure ring which of the following is used to cut threads on round bar dies punches taps chisel identify the given picture of turbocharger blower side with silencer turbine side turbine blower what machine tool will you be using for cutting a joint lathe machine bending machine drill machine scissors cuts are caused by flat spanner blunt chisel hammers sharp objects after chipping the rust from steel surface should be wire brushed, cleaned and painted with primers bituminous paints polyurethane paints antifouling paints identify the picture single end ring spanner slog spanner ring spanner closed spanner high expansion foam is suitable for fighting fire in accomodation cargo hold engine room deck of ship  identify the picture ball type check valve tapered valve safety valve gate valve air starting valve in a diesel engine oscillates move up and down opens only at the engine starting move from side to side ROLL NO R6/02 what maintenance work carried out on oil fired boiler cleaning,varnishing,baking and insulation check cylinder head with inlet valves and exhaust valves basket cleaning and wire mesh inspection furnace cleaning, tubes cleaning and inspection which instrument is used for centering an object on lathe chuck steel scale dial gauge micrometer vernier caliper the thruster placed in fwd part of the ship is called stern thruster true False most common use of cocks is steam line gauge glass ballast line deck water line What is the term for the process of removing material from the outer diameter of a workpiece in a lathe? Boring Turning Facing Drilling if cooling water become less in a diesel engine, the engine will get overheated make more noise cool down too much not start a fire alarm in engine room is activated upon from the bridge automatically or manually in case of fire in engine room automatically in case of machinery failure due to blackout emergencies that can occur in the engine room stoppage of main engine crankcase explosion flooding of the engine room all the above identify 6,7,8,9,10 from the following drawing * cylinder head cover inlet valve crank pin push rod piston connecting rod piston ring rocker arm bottom end bearing dipstick the instrument provided for measuring the pressure in the boiler is depth gauge pressure regulator sight glass pressure gauge identify the following part butterfly valve ball valve globe valve check valve globe type for lifting heavy load you will use eye bolt air cylinder hydraulic jack chain block tick one which is not a duty of a engine room rating painting engine room assist in watchkeeping assist in maintenance work operate main engine where should the emergency fire pump located where the steering gear is inside engine room outside engine room at the emergency station why diesel generator does not have reversing mechanism running reverse its phase sequence will change running reverse its produces DC instead of AC running reverse its consumes power instead of producing it running reverse does not produce power identify the picture inside caliper outside caliper vernier caliper micrometer What is autoignition? The ignition of a substance without the application of an external ignition source The temperature at which a substance emits vapors that will ignite in the presence of an ignition source The temperature at which a substance's vapor pressure is equal to atmospheric pressure The temperature at which a substance's flames become self-sustaining solenoid is and actuator for safety valve electrically operated gate valve turbocharge WHAT IS HE DOING IN THE GIVEN PICTURE breaking the gear hitting gear with hammer pushing shaft key testing sound while bunkering going on, what will be the most important thing to monitor oil sounding in the bunker barge oil sounding in the tank being filled oil sample is being taken temperature of oil being supplied  identify part no 6,7,8,9,10 drill feed spindle head base belt motor column handle step cone pulley Correct answer drill feed belt motor column step cone pulley identify the picture pressure gauge pressure regulator temperature gauge refrigeration gauge which of the following is not within engine room fire pump fresh water generator fridge room refrigeration machinery identify the picture stud thread extractor tap screw air vents to tanks provided for preventing fire preventing buildup of pressure or vacuum allowing liquid to come out when tank is full for ventilation generator onboard ship is started using compressed air turbogenerator hydraulic oil motors/pressure air compressor Which term refers to the lowest concentration of a substance in air that will ignite and propagate a flame in the presence of an ignition source? Flash point Fire point Lower Explosive Limit (LEL) Upper Explosive Limit (UEL) What is the purpose of a blowdown valve in a boiler? To adjust steam pressure To discharge sediments and impurities from the boiler To regulate steam temperature To control fuel flow identify the picture vernier digital vernier micrometer depth gauge thrust block for main engine is fitted at the aft side of the engine end of camshaft tail saft forward side of the engine what do we call the temperature at which a material produces enough flammable vapour for it to flash if exposed to an ignition source melting temperature ignition temperature auto ignition temperature flash point what is the name of the equipment that is used in the engine room to discharge relatively cleaner water from oily water mix solution? purifier incinerator oily water separator sewage treatment plant sounding tape is commonly used for measuring small tanks in engine room generator crankcase fuel tank outside engine room tank of large depths In lathe operations, what does the term "facing" mean? Boring a hole Cutting internal threads Turning a cylindrical shape Cutting a flat surface perpendicular to the axis of rotation which reduce the length of the object bar is a unit for temperature length mass pressure identify the picture double eye bolt stud turnbuckle bolt which of these is not a moving part of a diesel engine piston crankcase crankshaft connecting rod hand wheel is an actuator for safety valve ball valve turbocharger gate valve/globe valve the inlet valve on cylinder head of diesel engine is provided entry of fresh air starting air cooling water fuel identify the following a screwdriver a tester a plier philipscrew driver main engine is a part of ------- system electrical bilge propulsion ballast identify the fire extinguisher mechanical foam DCP co2 water type wool garments,blankets and quilts are terms used as insulating material true False electrodes should be kept at a distance of -------------- above the spot where we wish to strike the arc 20-30mm 30-40mm 40-50mm 35-45mm cylinder head in a diesel engine moves up and down open and closes stay in place rotate in place identify the picture flare spanner double ended ring offset spanner slogging spanner combination spanner what is to be checked on a running oil transfer pump, during watch water level level in the tank oil weather condition coming out of water side chipping on main deck of tanker is hazardous because presence of toxic fumes and oily vapour flying rust pieces which may cause injury to personnel static electricity discharge fear of spark igniting flammable vapour identify the following part which marked A packing ring gland packing spindle gasket onboard a ship a bilge pump is a type of reciprocating screw gear centrifugal What is the flash point of a substance? The temperature at which a substance ignites spontaneously The lowest temperature at which a substance emits vapors that will ignite in the presence of an ignition source The temperature at which a substance's vapor pressure is equal to atmospheric pressure The temperature at which a substance's flames become self-sustaining what is to be checked on running pump during watch steering angle discharge pressure of liquid oil coming out of water side exhaust temperature CAM is an actuator for butterfly valve ball valve exhaust valve gate valve minimum duration of self contained breathing apparatus should last 10minute 20minute 30 minute 40minute which one of the following is a risk with chemical * freezing turning into solid spilling melting which instrument used for measuring diameter of circular rod measuring tape dial gauge steel scale micrometer brushes which are frequently used should be kept with their bristles immersed in kerosene fresh water salt water paint a general alarm is activated due to black out due to high bilge level automatically upon any machinery failure from the bridge what is to be checked on a compressor while its operating air bottle pressure running speed suction air temperature suction pressure identify part no 6,7,8,9 and 10 motor wheel guard stop switch spark guard tool rest base wheel dust collector identify the picture flat stencil angled roller a camshaft on a diesel engine operates flywheel fuel injection pumps starting valves fuel valves most common use of globe valves is on gauge glass cargo lines steam line ballast line which type of fire extinguisher is hard to recharge onboard dcp foam co2 none of the above before starting an air compressor you will ensure that valve on discharge line are open fuel tank has full hotwork permit is taken valves are overhauled what is to be checked on air compressor while it is operating air bottle pressure suction pressure suction air temperture running speed what is to be checked on running boiler during a watch steering angle exhaust temperature water level oil coming out of water side the unit of sounding minutes meter/centimeter kilowatt ampere chemical onboard are not to be used for cleaning the boiler fuel oil treatment boiler water treatment cleaning the cooking utensils class B fire involves solid liquid metal electrical what is shown in picture insulating material silver foil sponge insulating material pipe sponge The level measuring devices such as gauge glass is used for tank of large depth multipurpose tanks of small depth oil can the purpose of turbocharger in a diesel engine is to gives power turn turbocharger reduce friction increase air supply which of the following is not a heat exchanger fuel injector fridge condensor air cooler oil heater a bolt has hexagonal head and threads at other end thread at both ends slotted head and threads at other end double pitch thread sounding pipe are fitted on a tank for finding level of the liquid in the tank pressure in the tank abnormal sound in the tank temperature in the tank steam from boiler is used for heating drinking water fuel oil lubricating oil feedwater system what maintenance work carried out in diesel generator tubes cleaning and inspection gland packing overhauling cylinders and piston hosing down the genrators what maintenance work carried out on a pump cleaning,varnishing, baking and insulation check cylinder head with inlet and exhaust valve basket cleaning and wire mesh inspection impeller, wear rings and rotor assembly inspection the instrument needed/provided for measuring length is thermometer depth gauge steel scale micrometer the type of engine normally used for generator onboard ship is 1 stroke 2 stroke 3 stroke 4 stroke before restarting a machine following precautions need to be taken....mark the incorrect one check that no tools have been left on or near the machine replace safety guard after starting the machine restore power supply remove any warning notices what material banned from using as a insulating material fire bricks thermocole fibre glasswool asbestos which one of the following is a part of a lathe c clamp anvil vice tool post HYDRAULIC DEVICE is used for actuating steam line valves relief valve fuel valve exhaust valve what is used to prevent loss of heat from a pipes or equipment insulating material steam coil cooling system air circulation the purpose of starting valve in generator engine is starting air fresh air inlet fuel inlet safety best method for fighting fire in paint room use water jet use a soda acid extinguisher use a foam type extinguisher use a fire blanket what action should be taken first when discovering a fire onboard look for the nearest fire extinguisher go to your cabin and gather your belonging activate fire alarm go to your emergency muster station the thruster placed aft part of the ship is called bow thruster true False identify the picture chain block ratchet block pulley block plummer block identify the picture flat screw driver philip screw driver screw driver reamer while working with insulating material such as glasswool, you must not protect your body with gloves and goggles True False main fire pump located at in the forward in steering gear room inside engine room on main deck Which of the following operations can be performed on a lathe? Drilling Milling Turning all the above steering gear is located in in a separate compartment aft of the engine forward of the engine room on the bridge forecastle ship propeller fitted to intermediate shaft stern tube crankshaft tailshaft identify the picture multipurpose rings piston rings snap rings metal rings one of the function of lubricating oil in a diesel engine is to reduce exhaust gases friction between moving parts weight of the engine exhaust temperature identify the picture vernier digital vernier micrometer steel scale steam turbine drive generator is called shaft generator turbo alternator generator alternator the level measuring devices such as sounding rod is used for oil can tank of large depth oil level in generator crankcase multipurpose identify 1,2,3,4,5 from the following drawing cylinder head cover inlet valve crank pin push rod piston connecting rod piston ring rocker arm bottom end bearing dipstick  welding is the process of joining two metals by applying electricity heat electrode gas NAME OF THE STUDENT * TANGI GOVINDARAO the purpose of indicator valve on a generator engine is for indicate pressure inside the cylinder introduce compressed air blowing through gases indicate temperature of gases gases used in gas welding are acetylene and lpg oxygen and cng acetylene and oxygen co2 and lpg what is used for preventing leakage from between pipe flanges lagging washer joint packing speed of diesel engine cane be adjusted by changing the supply of air lubricating oil water fuel identify the picture anvil tool post a bench vice movable jaw identify part no 1,2,3,4,5 carriage handwheel longitudinal feed lever half nut lever crossfeed lever threading dial cross slide handwheel toolpost toolpost slide handwheel BATCH * R1 R2 R3 R4 R5 R6 identify the following picture electrical operated level gauge level indicator tank indicator remote level indicator identify the picture soft hammer ball peen hammer cross peen hammer mallet internal barrier of communication is noise facial expression lack of confidence computer the unit for tank capacity is kilowatt minutes cubic meters or litres kg/cm2 or bar identify the picture flat screw drivers philip screw driver combination screw driver screw driver set what machine tool you will be using for making a axial hole in round bar bending machine drill machine lathe machine grinding machine what is the unit of electrical resistance ampere ohm volts kilowatt if any chemicals falls on parts of the body,the first action should be call for the doctor apply coolant to the affected area wipe it clean with soft cloth thoroughly wash the affected area under running water what machine you will use for removing extra material after welding drill machine bending machine grinding machine lathe machine small patch of unpainted surface left out while painting is called cracking peeling holiday grinning pyrometers are commonly used for cooling water exhaust temperature lubricating oil pressure lubricating oil what is the danger involved with oil fired boiler * blowback overpressure under pressure steam leak before starting arc welding you must connect the earth cable to the work piece connect electrode holder to the earth connect welding cable to earth extend the welding cable identify the picture pressure gauge vacuum gauge pressure regulator reducing valve fresh water generator related to storing vegetables evapourator starting main engine steering electrical insulation prevent the flow of power resistance electricity voltage the non return valve commonly used in which line steam fuel bilge ballast identify the picture impact wrench grease gun hand drill machine water sprayer which of the following is a part of aircompressor fuel pump rotor injector intercooler air compressor related to pumping system turbocharger air conditioning system starting of main engine while keeping watch what will you check on a pump that is in operation temperature of a liquid suction and discharge pressure line valves are open speed checks during running of an air compressor.....mark the incorrect one lube oil pressure is correct and in limits filling valve for air bottle is closed compressor is drawing normal amps check for any noise and vibration identify the given brush in picture flat stencil angled roller WHICH OF THE FOLLOWING IS PROVIDED FOR CONNECTING SHORE WATER SUPPLY FIXED FOAM TANK FIRE HYDRANT INTERNATIONAL SHORE CONNECTION FOAM TANK which of this is not fitted on cylinder head of a diesel engine exhaust valve turbocharger starting valve indicator valve most common use of fire hydrant is ballast line steam line deck water line gauge glass identify the picture measuring tape steel tape sounding tape sounding rod which of the following is within engine room purifier room co2 room paint storage room cargo pump room identify the picture a valve sledge hammer dual purpose nozzle piston QCV fitted on coiler steam line compressed air line fuel tanks above double bottom main engine cooling system  your first action upon finding a fire raise an alarm use portable extinguisher start the fire pump switch off electrical power supply the level measuring device , level indicators can be used for sumps of purifier, compressors small to large tanks within engine room oil level in generator crankcase oil can what machine you will use for cutting large plates drill machine welding machine gas cutting machine grinding machine This content is neither created nor endorsed by Google. 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