Mill 30 Past Paper PDF

**MILL 30** 1\. What is the name of the DOV in the figure 1\. 3 Position, 4 Way, closed centre, Spring return 2\. 3 Position, 4 Way, open centre, Manual return 3\. 3 Position, 4 Way, Tandem centre, Spring return 4\. 3 Position, 4 Way, Float centre, Manual return 2\. which of the following PPE...

**MILL 30** 1\. What is the name of the DOV in the figure 1\. 3 Position, 4 Way, closed centre, Spring return 2\. 3 Position, 4 Way, open centre, Manual return 3\. 3 Position, 4 Way, Tandem centre, Spring return 4\. 3 Position, 4 Way, Float centre, Manual return 2\. which of the following PPE is NOT used while using the bench grinder? 1\. safety glass 2\. face shield 3\. high visibility vest 4\. leather shock 3\. How do you correct the horizontal-offset misalignment in the fig 2? 1\. A move motor from C to D 2\. B move pump from C to D 3\. C move motor from A to B 4\. D move motor from A to B 4\. What will be the total weight of the steel E rod having 6 feet length and 4-inch diameter? 1\. 752 1b 2\. 257 lb 3\. 527 lb 4\. 514 lb 5\. which of the following is going to be used A o while moving an overhead structure by crane? 1\. chain 2\. Rubber belt 3\. sling 4\. Tagline 6\. Material is being moving from one place to another place using a crane then what will be position of boom and hoist(load)? 1\. boom down and hoist down 2\. boom up and hoist down 3\. boom up and hoist up 4\. boom down and hoist up 7\. what will be the weight on each sling on El c1 1. equalizer beam shown in fig 3? 1\. 6557 lb 2. 6575 lb 3\. 13150 lb 4. 9205 lb 8\. what is the crane signal shown in fig 4? 1\. Use whip line 2. Use main hoist 3\. Use load line 4. Use boom line 9\. what is the crane signal shown in fig 5? 1\. boom up, load up 2\. boom up, load down 3\. load up, boom down 4\. boom down, load down 10\. What will be the shim thickness needed for the sole plate given in fig 10 if L1=48 inch, L2=8 inch and feller reading =0.02 in. 1\. 0.12 in 2. 6 in 3\. 0.24 in 4. 0.82 in 11\. what is the procedure to Square the milling head to the table in vertical milling machine? 1\. Clean the square mill head, Set the Dial Indicator, Adjust the height of Milling Head, Tighten the Head Bolts 2\. Set the Dial Indicator, Adjust the height of Milling Head, Tighten the Head Bolts, Clean the square mill head 3\. Adjust the height of Milling Head, Tighten the Head Bolts, Clean the square mill head, Set the Dial Indicator 4\. Tighten the Head Bolts, Clean the square mill head, Set the Dial Indicator, Adjust the height of Milling Head 12\. what is steps if new chemical drum is leaking in aisle of workplace? 1\. use Aisle split, inform safety panel, take empty drum, transfer the material, put new label, inform safety panel 2\. Secure area, stop leakage, refer and mark in SDS, inform safety panel 3\. Secure area, stop leakage, transfer the material in new drum, refer and mark in SDS, inform safety panel 4\. Take empty drum, transfer the material, put new label, use Aisle split, inform safety panel 13\. what is the length of the conveyor belt 2 ? in fig 6 if base conveyor(x) = 50 feet and vertical conveyor (Y) =60 feet 1\. 78.10 feet 2. 58.0 feet 3\. 60.0 feet 4. 45.0 feet 14\. what is the reason if material is falling off at unloading point in conveyor belt? 1\. Skirt board angle is not proper 2\. Skirt board damaged 3\. conveyor belt is overloaded 4\. Idler pully conveyor belt is not set properly 15\. In a welding electrode 7018 label is marked then what is the meaning of \"70\" in the label? 1\. Tensile strength in KPA 2\. Tensile strength in PSI 3\. Position of welding 4\. Flux type and coating 16\. What is the meaning of \"K\" type bearing 1\. Needle bearing 2\. Friction bearing 3\. Float bearing 4\. Tapper bore bearing 17\. In a given figure 7 where soft-foot adjustment (shim) is made first ? 1\. 0.020 2. 0.018 3\. 0.050 4. 0.016 18\. What is the reading of the 2-3inch depth micrometre in the fig 8? 1\. 0.182 2. 1.282 3\. 2.182 4. 3.182 19\. During Oil analysis of equipment too much chromium is found then what is the reason? 1\. Low oil in the reservoir 2\. Bearing failure 3\. worn worm wear 4\. temperature of the oil is high 20\. There is no load on the conveyor still conveyor is moving on one side from centre how to fix it? 1\. Correction at head pully 2\. Correction at Tail pully 3\. Correction at Idler pully 4\. Correction at snub pully 21\. what is the drill bit angle for twist drill bit? 1\. 150 deg 12\. 90 deg 3\. 11.0 Deg 4\. 118 Deg 22\. What is the prick punch angle? 1\. 40- 50 Deg 2\. 10-20 Deg 3\. 20-40 Deg 4\. 30-60 Deg 23\. what will be the width of the part in fig 9? 1\. 12-1/2 2. 30-3/4 3\. 25 4. 15-5/8 24\. what does number 2 represents in EP2 type grease? 1\. Viscosity number 2\. Strength number 3\. Penetration number 4\. Temperature number 25\. what kind of oil is used in Hypoid gear application? 1\. Mineral oil 2\. Petroleum detergent oil 3\. Non detergent oil 4\. EP type oil 26\. single 3000 basket hitch has capacity of Ib, but it is damaged, and we have to lift the load using a single choker hitch now how much load we can lift? 1\. 3000 lb 2.1500 lb 3.1800 lb 4\. 2100 Ib 27\. En which of the following case synthetic web sling will not be put in use ? 1\. If sling is faded 2\. water is dropped on sling 3\. un identification of sling specification 4\. lifting lighter load 28\. A single sling has a capacity of 6000 lb. each and if you are using 4 sling to lift the person then what will be safe working load you can lift ? 1\. 480 lb 2\. 240 lb 3\. 420 Ib 4\. 720 lb 29\. What is the procedure to cut thin gauge material with an oxy-fuel torch? 1\. Hold torch tip perpendicular to cutting piece, then move quickly 2\. Angle torch tip in direction of travel, then move quickly 3\. Angle torch tip in opposite direction of travel, then move slowly 4\. Hold torch tip perpendicular to cutting piece, then move slowly 30\. Which law states that pressure acting on a o a vessel is equal and at right angles to all surfaces? 1\. Pascal\'s law 2\. Bernoulli\'s law 3\. Boyle\'s law 4. Charles\' law 31\. What is the minimum lift angle in Shouldered type eye bolt? 1\. 30 deg 2\. 40 deg 3\. 45 deg 4\. 25 deg 32\. What is the use of turn buckle? 1\. Adjust the strength of sling 2\. To adjust sling leg 3\. To adjust load height 4\. To adjust load 33\. What is used to calibrate a 2 in. to 3 in. outside micrometre? 1\. Transfer callipers 2\. A standard gauge 3\. Cold-rolled round stock 4\. Key stock 34\. A shaft keyway is enlarged what is to be done? 1\. Enlarge keyway and use step key 2\. Refill (weld) and machine and use woodruff key 3\. Remove burrs and keep in operation 4\. Use bigger key 35\. How to repair irregular (damaged) shaft area in metalizing process? 1\. using sandpaper 2\. Grinding 3\. Liquid gel spray 4\. paper coating 36\. What is used to measure a backlash in gears? 1\. Micrometre 2. Vernier calliper 3\. Depth gauge 4. Dial indicator 37\. A tank is full with a fluid and temperature of fluid is very high what is the cause? 1\. Vent blocked 2\. Reservoir capacity 3\. tank level 4\. wrong fluid 38\. what is the next step after blueing is done in the worm gear? 1\. check the vibration 2\. check the noise 3\. check the number of teeth 4\. check the backlash 39\. One Hydraulic system has too many fittings and there is non laminar flow now then how to make it laminar? 1\. change fittings 2\. put in one line 3\. Throttled valve 4\. Increase pressure 40\. How to fix the problem of air starvation downstream in a pneumatic grid piping system? 1\. Increase pipe dia 2\. decrease pipe dia 3\. Increase slope of tube 4\. increase size of compressor 41\. How can Journey person confirm that that task given to an apprentice is understood or not? 1\. Journey person can prepare the checklist and ask apprentice to mark it 2\. Journey person will bring the tools and perform the work to show apprentice 3\. Apprentice will verify the task and discus with Journey person 4\. Apprentice will complete the task and ask for clarification 42\. Which program uses past and present information records or data to anticipate mechanical problems? 1\. Reactive 2\. Proactive 3\. Predictive 4\. Preventive 43\. Which kind of bearing is used in 5Hp electric motor? 1\. Split bearing 2\. Friction bearing 3\. Float bearing 4\. sealed bearing 44\. A step shaft is to be installed without step key then what is to be done to protect the key slot while installing a bearing on shaft? 1\. Fill the step key slot with grease 2\. Fill the step key slot with oil or silica-gel 3\. Fill the step key slot with metallic powder 4\. Fill the step key slot with PVC material 45\. What is the use of the Roller bar with respect to equipment? 1\. used as a leaver 2\. used in moving heavy equipment or machinery 3\. used in the bearing 4\. for Alignment of equipment 46\. which one of the following better defines El c the Cavitation process? 1\. explosion of vapour bubble 2\. explosion of Air bubble 3\. Implosion of Air bubble 4\. Implosion of vapour bubble 47\. What is the width of a wood ruff key? 1\. 1/4 of the diameter of the shaft 2\. 3/16 of the diameter of the shaft 3\. 1/8 of the diameter of the shaft 4\. 5/8 of the diameter of the shaft 48\. What is the width of the number 34 sunk key? 1\. 1/4 \" 2. 1/8 \" 3\. 3/16 \" 4. 5/8 \" 49\. while doing the oil analysis which method is to be used to know the colour sight of oil? 1\. Acid 2\. Base 3\. ultraviolet 4\. air 50\. what is the diameter of the piston if pressure is 350 psi and 6000 lb force is applied in a hydraulic system? 1\. 4 in 2\. 5 in 3\. 7 in 4\. 8 in 51\. what is the compression ratio of an engine if volume in cylinder at the beginning of stroke is 6-inch cube and volume at the end of stroke is 75-inch cube? 1\. 1: 12.5 2\. 12.5: 1 3\. 0.08: 1 4\. 450:1 52\. Which document is need to be verify that item is deliver at work site? 1\. Bill of sale 2\. Work order receipt 3\. Shipping bill 4\. Invoice 53\. Turbine Trip valve is just installed in steam turbine and now how it will save the life of the turbine? 1\. When turbine speed exceeds 30% it will activate 2\. When turbine speed exceeds 45% it will activate 3\. When turbine speed exceeds 60% it will activate 4\. When turbine speed exceeds 90% it will activate 54\. Gearbox is shaft seal is leaking the oil what is to be done? 1\. Use grease instead of oil 2\. Add more oil in gear 3\. Increase temperature of oil 4\. Change the seal of shaft 55\. If an Alignment is planned for rotating machinery what is the first step to be done? 1\. Clean the part 2. Gathering tool 3\. Refer SDS 4. Ref MVR 56\. If two shaft is joined by coupling having excessive clearance but there is no need to change the alignment of shaft then how to solve the problem? 1\. Change coupling element 2\. change coupling 3\. change half coupling on drive side 4\. change half coupling on driven side 57\. what is to be done is V belt is jumping off the sheave? 1\. Adjust the Alignment or Tension on Belt 2\. Replace the Belt 3\. Decrease the crown 4\. Reduce tension 58\. What is the procedure to Start the oxy acetylene gas cutting? 1\. Turn on oxygen valve full, turn on 1-1/2 turn of Acetylene valve, Ignite and Adjust 2\. Turn off oxygen valve full, turn on 1-1/2 turn of Acetylene valve, Ignite and Adjust 3\. Turn on oxygen valve 1/4 turn, turn on 4 turn of Acetylene valve, Ignite and Adjust 4\. Turn on oxygen valve full, turn on Acetylene valve fully, Ignite and Adjust 59\. what is the procedure to open oxygen valve in oxyacetylene torch? 1\. Fully Open the main oxygen cylinder valve, Adjust the oxygen regulator, Open the torch oxygen valve 2\. Open the torch oxygen valve, Fully Open the main oxygen cylinder valve, Adjust the oxygen regulator 3\. Fully Open the main oxygen cylinder valve, Open the torch oxygen valve, Adjust the oxygen regulator 4\. Adjust the oxygen regulator, Fully Open the main oxygen cylinder valve, Open the torch oxygen valve, 60\. Diesel engine is running outside on a very hot day and engine is overheating what is the reason? 1\. Radiator fins are broken 2\. Oil temp is high 3\. Outlet valve is clogged 4\. Inlet Air filter is faulty 61\. which pressure gauge show zero psi at sea level? 1\. PST 2\. PSIG 3\. Manometer 4\. Barometer 62\. Which of the following seal is contact less seal? 1\. Lip seal 2\. Labyrinth seal 3\. mechanical seal 4\. O ring 63\. what is the next step to change unloading valve is lockout and tagout is done and zero energy is confirmed? 1\. Verify isolation, Prepare the workspace, Remove the old unloading valve, Inspect and clean, Install the new unloading valve, Re-energize and test 2\. Re-energize and test, verify isolation, Prepare the workspace, Remove the old unloading valve, Inspect and clean, Install the new unloading valve 3\. Prepare the workspace, Remove the old unloading valve, Inspect and clean, Install the new unloading valve, Re-energize and test, Verify isolation 4\. Remove the old unloading valve, Inspect and clean, Install the new unloading valve, Re-energize and test, verify isolation, Prepare the workspace 64\. What is the first step is to be taken while El cl performing a laser alignment? 1\. Rough alignment 2. Coupling together 3\. Soft align 4. Angular alignment 65\. Which one of the following methods is Sensatory NDT method? 1\. Vibration, Visual, Noise 2\. Vibration, Visual, infrared 3\. Vibration, Visual, ultrasonic 4\. Vibration, magnetic, radiographic 66\. Economical equipment is need to be setup outdoor of house then what is the process? 1\. clean area, prepare base, put equipment, add barricade to protect the people 2\. prepare base, put equipment, add barricade to protect the people, clean area 3\. add barricade to protect the people, clean area, prepare base, put equipment 4\. clean area, add barricade to protect the people, put equipment 67\. What is to be done to increase the flow rate in a hydraulic system? 1\. Increase pipe dia 2\. Decrease pipe dia 3\. Increase slope of pipe 4\. Decrease slope of pipe 68\. what will the PSI needed if more 500 lb load need to be moved by 4-inch cylinder? 1\. 40 psi 2\. 20 psi 3\. 10 psi 4\. 50 psi 69\. Piston head has 8 bolt and 350 lb/ft torque needs to be applied then how to tighten the bolt? 1\. one by one tighten each bolt with 350 lb/ft 2\. in star pattern up to 350 lb/ft torque 3\. torque each bolt fully at 350 lb/ft torque in star pattern 4\. tight alternate bolt fully at 350 lb/ft torque 70\. If lockout and tagout is done in hydraulic system then which component still has energy inside? 1\. pressure relief valve 2. unloading valve 3\. direction control valve 4. Accumulator 71\. what is the procedure to dis mental a sour (corrosive liquid) pump? 1\. Lockout, ventilation, drain, purge, clean, disassemble 2\. ventilation, drain, purge, Lockout, clean, disassemble, 3\. drain, purge, Lockout, clean, disassemble, ventilation 4\. Lockout, clean, disassemble, ventilation, drain, purge 72\. What is to be done to ensure and maintain a life of sling? 1\. clean with solvent 2\. oil lubrication 3\. cut extruded wires 4\. store vertically 73\. what is the minimum rating of steel chain o. l used in rigging? 1\. 40% 2\. 60% 3\. 80% 4\. 100% 74\. What is the load on each sling of bridle hitch with 3 legs if total load = 3000 lb H= 15 and L is 12? 1\. 267 1b 2\. 11250 lb 3\. 340 lb 4\. 945 lb 75\. A single basket hitch has a wire rope diameter 5/8\" then what is the capacity of each sling? 1\. 1.78 T or 4560 LB 2\. 4 T or 5560 LB 3\. 1.56 T or 3125 LB 4\. 3.12 T or 6250 LB 76\. how much is the minimum and maximum E o slack is needed in the horizontal chain drive? 1\. 1% Minimum and 2% Maximum 2\. 3% Minimum and 4% Maximum 3\. 4% Minimum and 5% Maximum 4\. 3% Minimum and 5% Maximum 77\. A Conveyor belt needs to be removed and need to be reuse then what is the procedure? 1\. Cut, loose tension, store at safe place, a mark in logbook 2\. loose tension, Cut, store at safe place, mark in logbook 3\. store at safe place, mark in logbook, loose tension, Cut 4\. mark in logbook, loose tension, Cut, store at safe place 78\. A major maintenance is need to be planned to find root cause of failure then what is going to be referred? 1\. Operator logbook 2\. Predictive maintenance data sheet 3\. Preventive maintenance data sheet 4\. Proactive maintenance data sheet 79\. what is used to minimise the lifting angle? single basket hitch 2\. double basket hitch 3\. double choker hitch 4\. single choker hitch 80\. What is used to check the teeth surface in the gear? 1\. Ultra sonic 2. Xray 3\. Magnetic particle 4. Dye penetration 81\. What ism Air clutch decommissioning procedure? 1\. lockout, remove cover, clean replace 2\. lockout, Depressurize the System, remove cover, clean, replace 3\. Depressurize the System, lockout, remove cover, clean, replace 4\. lockout, remove cover, clean, replace, Depressurize the System, 82\. Gear box regular maintenance what is first to be checked? 1\. temperature 2\. noise 3\. vibration 4\. visual 83\. If Centrifugal fan motor is overheating what is to be done? 1\. Check fan built up 2\. open inlet vent 3\. open outlet vent 4\. replace motor 84\. what is used to prevent hammering or stroking in pneumatic cylinder? 1\. Pressure reducing valve 2\. Pressure relief valve 3\. Cushion adjustment 4\. free check valve 85\. What is the weight of 3 X3 X3 feet steel block with 6-inch Dia hole in middle of block if 1 cu-feet steel weight 480 lb 1\. 12677 1b 2\. 11882 1b 3\. 25354 lb 4\. 6339 lb 86\. What is steps is to be taken while performing a laser alignment outside? 1\. Take wooden Tripod, Level tripod, mount laser level, clean, do rough alignment 2\. Take wooden Tripod, Level tripod, mount laser level, do rough alignment, clean 3\. Take Aluminium Tripod, Level tripod, mount laser level, clean, do rough alignment 4\. Take Aluminium Tripod, Level tripod, mount laser level, do rough alignment, clean 87\. what is the reason if 3phase electric motor is getting hot while running? 1\. Low amp 2\. Low voltage 3\. Inlet clogged 4\. Outlet clogged 88\. what is the unit of velocity? 1\. cycle / sec 2\. Inch/ Sec or mm/ sec 3\. mil 4\. cm/hour 89\. what is the reason for air starvation in Air compressor? 1\. low voltage 2. low amp 3\. Clogged Air Filter 4. High Dia of intake pipe 90\. What is the procedure to change the pyrometer in steam turbine? 1\. Inform supervisor, lock out, Release steam, replace pyrometer, test 2\. Lock out, Release steam, replace pyrometer, test, Inform supervisor 3\. Release steam, replace pyrometer, lock out, Inform supervisor 4\. Release steam, lock out, inform supervisor, replace pyrometer, test 91\. What is the reason for most probable cause of 10X times vibration in pump and motor? 1\. Bearing failure 2\. shaft runout 3\. Axial displacement 4\. coupling misalignment 92\. what is the procedure for cementitious grouting of pump base? 1\. clean, bush hammer, grout, level 2\. bush hammer, grout, clean, level 3\. grout, clean, level, bush hammer 4\. bush hammer, grout, clean, level 93\. If Gear \"A\" is drive gear driving \"B\" idler El o gear which is connected to \"C\" driven gear then what will be the direction of the \"C\" gear? 1\. Same as Drive Gear 2\. Against the Drive Gear 3\. Same as Idler Gear 4\. Perpendicular to Drive gear 94\. How to support the scaffold on uneven surface from the bottom? 1\. use wood block shim or wedge 2\. use clamps 3\. level the ground 4\. use out triggers 95\. what will be the drilling speed to use counter bore drill on 12 mm steel plate? 1\. 30% of normal speed 2\. 45% of normal speed 3\. 60 % of normal speed 4\. 90 % of normal speed 96\. when more than one person is working one machine then which type of safety device is used for lockout? 1\. Individual Metal Tags 2\. Steel lockout HASP 3\. Designate one person to watch for lockout 4\. Inform supervisor and manager 97\. what is the part name which is used for picking up in the 3-axis robot? 1\. Handle 2\. Gripper 3\. Hook 4\. Graber 98\. what is the reason for hammering in pipe 1\. Cushion pressure low 2. Suction pressure low 3\. Discharge pressure low 4. closing valve gradually