Metalworking Tools and Processes

• A plain scriber, divider, or trammel is used for scribing or lying off distances, featuring hardened steel points.

• A shaper or planer is a machine tool used primarily for machining flat or plane surfaces with a single pointed tool.

• A tool grinder is a machine tool utilizing an abrasive wheel as a cutting tool to achieve a very smooth finish.

• Forging is the process of working metals through sudden blows or steady pressure application.

• Quenching is the rapid cooling of a heated metal workpiece by immersing it in water, brine, or oil.

• Annealing softens metals through heat treatment, typically consisting of heating the metal near its molten state and then cooling it very slowly.

• Lubrication refers to the fluid film desired between surfaces in relative sliding motion.

• A bevel gear is used to transmit motion from one shaft to another at an angle.

• High-speed steel is the material commonly used to make high-production metal-working tools.

• Flywheel: A heavy rotating body serves as a reservoir for absorbing and redistributing kinetic energy.

• Grinding machine: A machine shapes metal by removing material with an abrasive wheel.

• The fan isn't a part of a lathe machine.

• Manganese steel is easy to chisel.

• Shaping: A machining operation called where the tool reciprocates and the feed is stationary.

• Contraction mandrel is not a kind of mandrel.

• Foundry area: The area of the machine shop where metal is melted to form a new shape.

• Steam bath is not used to temper steel.

• Head iron is not a kind of cast iron.

• Dead center: A kind of center is attached and meshed to the tailstock spindle and is also static while the work is rotating.

• Anvil is not part of the headstock.

• A feeler gauge does not belong in the groups of Vise grip, Adjustable wrench, and Torque wrench.

• Hardening: Does not belong to the groups of Resistance welding, Soldering, and Brazing.

• Fuels: Substances have enough carbon and/or hydrogen for chemical oxidation to exothermically produce worthwhile quantities of heat.

• Barometer: A device measures atmospheric pressure.

• Density: The mass of a body per unit of volume.

• Calcinations: Subjecting a substance to a high temperature below the fusion point, often to make it friable.

• Alloy: A special metal is formed when two or more metals are melted together.

• Kinetic energy: The ability of a moving body to perform work.

• Carburizing hardens the surface of iron-based alloys by heating them in contact with a carbonaceous substance below their melting point.

• Insulators: Any materials retard the use electricity to prevent or escaped of electric current from conductors.

• Refractories: A material, usually ceramic, is employed where resistance to very high temperatures is needed, such as furnace linings and metal melting pots.

• Seals: A device used to prevent mediastinal leakage.

• Stress: The internal resistance a material offers to being deformed and is measured in terms of applied load.

• Elongation is deformation resulting from stress, expressed as the deformation amount per inch.

• Elasticity: The ability of a material to return to its original shape after being released from elongation or distortion forces.

• Elastic limit: The last point a material can be stretched and still return to its original condition after stress is released.

• Modulus of elasticity: The ratio of stress to strain within the elastic limit.

• Shear strength: The ability of a metal to resist forces that twist a member.

• Torsional strength: Ability of a material to resist torsional strength.

• Compressive strength: The ability of a material to resist being crushed.

• Ductility: The ability of metal to stretch, bend, or twist without breaking or cracking.

• Tensile strength: A material property resists forces pulling the material apart.

• Hardness: The property of steel resists indention or penetration.

• Light blue: The color coding of pipe for a pipeline of air.

• Green: the color coding of pipe for a pipeline of water.

• Light orange: The color coding of pipe for a pipeline of steam.

• Light orange: the color for a pipeline of electricity coding.

• White: the color coding of pipe for a pipeline of communication.

• Brown: The color pipeline of fuel oil in the color coding of pipe.

• 18 to 24: For high speed applications, the minimum number of teeth in the small sprocket to be.

• All of these: good deoxidizer in steel melting.

• High: In the majority of machine members, the dumping capacity of the material should be.

• 1.25-4.0: moderate speed for mating gears, the ideal ratio of contact.

• Major Diameter: Thread diameter of the screw.

• 8.0%: Required maximum chromium content for corrosion-resistant stainless steel.

• Decreases significantly: the notched bar impact value of steel at quite low temperatures (say -75 deg. C).

• Parallel oil film in bearing: To realize the advantage of fluid friction, it is essential to have.

• Herringbone gears experiences has zero axial thrust.

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

• Copper-zinc: Muntz metal contains.

• Cold-heading is how steel balls for bearings are manufactured.

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

• 13XX is the SAE designation for Manganese steel.

• Antimony bearing lead or tin alloy: Babbitt is is.

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

• Root is not top surface, which is not the top surface

• 6 by 37

• Saws and chisels

• Stud bolt: A bolt type is commonly used in the construction that is threaded at both ends.

• 10 to 13 is the factor of safety with which cast iron flywheels are commonly designed.

• Long is not a type of type of chain used in motorcycle.

• Small power: Spiral gears are suitable for transmitting

• Harmonic is is used for low and moderate speed engines

• Stamping are gear generally manufactured for wrist watches.

• Inversely as cube of load: rated life of a bearing changes.

• Cast iron is the best material for brake drum.

• Spring: An elastic body whose primary function is to deflect under load.

• All of the above may take place because of the belt slip.

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

• Bolts: In flange coupling the weakest element should be.

• Used for collinear shafts: A flange coupling.

• Axial relative motion is necessary between shafts and hub.

• Sintering happens when in powder metallurgy the process of heating the cold-pressed metal powder is called".

• Electroplating, doesn't match the group of nitriding, cyaniding, and flame hardening.

• High : Splines are in use because the power transmitted is high.

• Flame hardening the Delta Iron occurs at the temperature of.

• Carbon is the most important element in controlling the physical properties of.

• Injection molding is in common use for thermoplastic material.

• Lead: Having the highest specific gravity.

• Age-hardening is related to Duralumin.

• Graphite: The foundry crucible is made of.

• Forging: The trimming process is associated to that.

• Cylindrical bores are used to measure a measure.

• Size of the electrode: the current value is decided by.

• Stainless steel is the answer for which the the weld decay takes place.

• Aluminum is the choose, it will have the highest cutting speed.

• Multi- spot welding process Projection welding.

• White cast iron: This has provide the least shrinkage allowance.

• Fineness of Dilatometer which is used to find out which property of moulding sand.

• Nickel and molybdenum contains Hastalloy.

• In Hastalloy the carbon content of the steel is any more for maximum hardening ability of any steel.

• Martensite, the hardness of steel increases within it.

• Eutectoid describes steel that contains 0.8% carbon and 100% pearlite.

• 840-500 Mpa: Is the tensile strength range of common varieties of cast iron?

• Fluctuating stress results in fatigue failure when a part is subjected to fluctuating stress.

• Lower pair: This pair is where if shaft is revolving in bearing.

• 4 links and 4 turning pairs a kinematic chain needs.

• Least radius of gyration is the axis where, the compression members tend to buckle in.

• Difference between the linear speed of the rim of pulley and the on it, the "slip" describes the for in belt drive

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

• One module of the gear/s addendum has been given

• Cylindrical cam where is where the follower reciprocates or oscillates is a plane parallel to its axis?

• Metal strength increases from the Coaxing procedure.

• Stamping, gears for watches are generally manufactured.

• No lubricant, the Rope brake dynamometer uses.

• Increases the fatigue: effect of cold working.

• Completely reversed load is when materials are tested for endurance strength.

• Fatigue limit by overstressing the metal by successively increasing loadings.

• The percent thickness of plate is 4 mm, edge preparation for welding is not needed?

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

• Addendum is called The height of tooth above the pitch circle or the radial distance between pitch circle and top land of the tooth.

• 2-3 mm is the Clearance between release bearing and release collar in the clutch.

• increases during acceleration of clutch slippage by engagement

• All of the followings stresses that is independent of loads

• Center cutting is not used to resemble the shape of tool bit

• 59 degrees is recommended cutting angle of drill work for steel or cast iron

• What are the following that hardening of Copper and of alloys (A) Cold working

• (A) is the a mould for casting Ferrous materials for continuous casting process

• Is metal is for low 31 is the name for for clutch engagement secure

• What angle of a Drill where usual helix degrees

• (C) copper is usual for drossing for surface

• (A) indicates the designation that is Carbon if the first digit

• (D) The tangential cam which Cam uses

• A sudden break during tensile test what is stress strain.

• Double shear has most likely fail for a knuckle twist

• At temperature alpha iron exits what degree (A) below

• (B) the homegous B. What is recovered load dimensions

• 80% of carbon in Eucted state

• The is casting iron for sulphur

• (D) easy mcamine

• (D) increases

• what following metal has struct(D) Disclocation

• (A) When is the pressure release after weld is cool

• (B) The Square t root of

• (A) the following switch

• C feleer is the

• what following the front of wheel

• Percent on haxsow return 0 .5. C.

• What for sinkens key the K cut (D) in shaft

61 WHere is turckle (A )right ends

• What process best way butt (A) ES Which the followings is ( D external suboly

• B needed for all interval lubricent P for application and Express cm D Is 2 d B for length Where is gamma founda A is temp (C) Is strength increasing for realivly A percentage of carbom1 C aluminium diecasting A argion is maximum

• Where is the temperature for superconductors at what temp (A)Below 10

• (C) collect is a where is components B CUttering speed metal has Time solidification B Aluminm A A Brass for drilling CREAMBER SMOOTHING What margins aFile is a Tool clean file A Is 100 AD for d 4 A 4 What non magnetic

what recipating B sharpening