Manufacturing Processes

• A tool with hardened steel points for scribing or laying off distances is a divider.
• A machine tool used principally to machine flat or plane surfaces with a single-pointed tool is a planer.
• A machine tool using an abrasive wheel as a cutting tool to obtain a very smooth finish is a tool grinder.
• Forging is the process of working metals by applying sudden blows or steady pressure.
• Quenching is the rapid cooling of a heated workpiece by dipping it in water, brine, or oil.

Annealing

• Annealing is the softening of metals by heat treatment, typically involving heating the metal near its molten state and then cooling it slowly.
• Lube oil is a fluid film desired between surfaces in relative sliding motion.
• A bevel gear transmits motion from one shaft to another at an angle.
• High-speed steel is the principal material used in high-production metalworking tools.
• A flywheel is a heavy rotating body that serves as a reservoir for absorbing and redistributing kinetic energy.
• A grinding machine shapes metal using an abrasive wheel or by removing metal with an abrasive.
• A fan is not part of a lathe machine.
• Manganese steel is easy to chisel.
• Shaping is a machining operation where the tool reciprocates and the feed is stationary.
• A contraction mandrel is not a kind of mandrel.
• The foundry area is where metal is melted to form new shapes in a machine shop.
• Steam bath is not used to temper steel.
• Head iron is not a kind of cast iron.
• A live center is attached and meshed to the tailstock spindle and rotates with the work.
• Anvil is not a part of the headstock.
• Feeler gage does not belong in the group of processes vise grip, adjustable wrench, and torque wrench.
• Hardening does not belong in the group of processes resistance welding, soldering, and brazing.
• Fuels are substances having sufficient carbon and/or hydrogen for chemical oxidation to produce worthwhile quantities of heat.
• A barometer measures atmospheric pressure.
• Density the mass of the body per unit of volume.
• Calcination is subjecting a substance to a high temperature below fusion point, usually to make it friable.
• Alloy is a special metal formed when two or more metals are melted together.
• Kinetic energy is the ability of a moving body to perform work.
• Carburizing is hardening the surface of iron-based alloys by heating them below the melting point in contact with a carbonaceous substance.
• Insulators retard the flow of electricity and prevent the escape of electric current from conductors.
• Refractories are materials, usually ceramics, employed where resistance to very high temperature is required, such as furnace linings.
• Seals prevent leakage of media.
• Stress is the internal resistance a material offers to being deformed, measured in terms of applied load.
• Strain is the deformation that results from stress, expressed in terms of the amount of deformation per inch.
• Elasticity is the ability of a material to return to its original shape after being elongated or distorted when the forces are released.
• Elastic limit is the last point at which a material may be stretched and still return to its unreformed condition upon release of the stress.
• Modulus of Elasticity is the ratio of stress to strain within the elastic limit.
• Torsional strength is the ability of a metal to withstand forces that cause a member to twist.
• Compressive strength is the ability of a material to resist being crushed.
• Ductility is the ability of metal to stretch, bend, or twist without breaking or cracking.
• Tensile strength is the property of a material that resists forces attempting to pull the material apart.
• Hardness is the property of steel that resists indentation or penetration.
• Light blue is the color for a pipeline of air.
• Green is the color for a pipeline of water.
• Silver grey is the color for a pipeline of steam.
• Light orange is the color for a pipeline of electricity.
• White is the color for a pipeline of communication.
• Brown is the color for a pipeline of fuel oil.
• For high-speed applications, the minimum number of teeth in a small sprocket should be 24 to 28.
• Aluminum is a good deoxidizer in steel melting.
• High is how the dumping capacity of material should be in a majority of machine members.
• The ideal ratio of contact for moderate-speed mating gears is 1.25-4.0.

Screw Thread

• The major diameter of a screw thread is the same as its diameter.

• For high corrosion-resistant stainless steel, a chromium content of 8.5% is required.

• At quite low temperatures (say -75 deg. C), the notched bar impact value of steel decreases significantly.

• Parallel oil film in bearing is essential to realize the advantage of fluid friction.

• Herringbone gears experience zero axial thrust.

• The maximum size of a fillet weld that can be made in a single pass is 6mm.

• Muntz metal contains copper-zinc.

• Steel balls for bearings are manufactured by cold-heading.

• Alloys with high nickel content generally retain toughness to quite low temperatures up to -320 F.

• The manganese steel standard designation as SAE 13XX.

• A Babbitt is an antimony bearing lead or tin alloy.

• The minimum thickness of steel members exposed to weather and accessible for painting is 10mm.

• In a standard coarse thread bolt, the stress concentration is maximum at the root.

• Root surface is the part listed.

• 6 by 37 ropes are more flexible.

• Saws and chisels are usually used in wood pattern making in a foundry shop.

• A stud bolt is threaded on both ends and commonly used in construction.

• Cast iron flywheels are commonly designed with a factor of safety of 10 to 13.

• Long is the type of chain used in a motorcycle?

• Huge power can be transmitted using spiral gears.

• Involute is the type of cam used for low and moderate-speed engines.

• Gears for wrist watches are generally manufactured by stamping.

• The rated life of a bearing changes inversely as the cube of the load.

• Cast iron is the best material for a brake drum.

• A spring is an elastic body whose primary function is to deflect under the load.

• Belt slip may take place because of all of the above.

• Rankine formula is valid up to a slender ratio of 120.

• Key is an element that is key in flange couplings.

• A flange coupling is used for collinear shafts.

• A universal coupling is used for non-collinear shafts.

• Sintering is the process of heating cold-pressed metal powder in powder metallurgy.

• Electrodeplating is different from nitriding, cyaniding, and flame hardening.

• Splines are used when the power to be transmitted is high.

• Axial relative motion between shafts and a hub is not necessary.

• Between 1400°C and 1539°C temperature is required for the delta iron.

• Carbon is the most important element that controls the physical properties of steel.

• Injection molding is the process commonly used for thermoplastic materials.

• Lead has the highest specific gravity.

• Duralumin is related with age-hardening.

• Graphite is what foundry crucible is made of.

• Press work an associated process with trimming process.

• Cylindrical bores is a tool to measure using plug gauge.

• Size of electrod is used to find values in welding operations.

• Stainless steel is a element for weld decay takes place in.

• Aluminum has the highest cutting speed.

• When you use Multi-spot welding process you use projection welding.

• White cast iron provides the least shrinkage allowance.

• Fineness is a property of moulding sand that can be found out using a dilatometer.

• Nickel and molybdenum are in hastelloy.

• The carbon content is a factor in the maximum harden ability of any steel.

• Martensite increases the hardness of steel.

• Eutectoid is steel with 0.8% carbon and 100% pearlite.

• 840 - 500 Mpa is the range of tensile strength of common varieties of cast iron.

• Fatigue failure occurs when a part fluctuating stress.

• Paramagnetic alpha iron changes to gamma iron at 910°C.

• Slightly more than the diameter of the bolt is the general diameter of the washer.

• Least radius of gyration is buckled in the direction of.

• 4 links and 4 turning pairs

• Lower pair is the formed pairs of a shaft revolving in a bearing.

• There are 4 links of line in a pantograph.

• Lower pairs is a mechanism having a pantograph.

• Difference between the linear speed of the rim of a pulley and the one on it describes the "slip" in belt drive.

• Non - parallel and non - intersecting describes the orientation of the axes of the two shafts in cross helical worm.

• One module describes case of gears in addendum.

• Cylindrical cams reciprocates or oscillates in a plane parallel to its axis.

• Stamping is how gears are made for watches.

• No lubricant means the rope brake dynamometer uses what.

• Increases the fatigue strength the effect of cold working.

• completely reversed load is subjected to testing a material for endurance strength.

• Fatigue limit is the procedure of coaxing.

• The four said choices are what increases after.

• In percentage to welding?

• Arc welding when reversed polarity is used.

• To connect shaft so that the driven shaft will rotate with the driving shaft and to disconnect them at all is the function clutch in the machine tool.

• Addendum is the height after above.

• Full depth is how called to addendum and something?

• the most effective range

• whole depth is what?

• type B belts is a type of v-belt.

• angle iron is not used in the following the angle measuring device.

• copper The mould for casting ferrous materials in continuous casting?

• During acceleration clutch slippage occurs when a clutch is engaged.

• 2-3mm In general, to engage securely and.

• Cast Iron Piston compression rings made of what material.

• 30 degree - of the angles?

• the formation of the oxides.

• Carbon steel If the first digit the first two indicate carbon