Home »
Mechanical Engineering »
Mechanical Engineering MCQ »
Manufacturing And Production Technology
400 Important Manufacturing And Production Technology MCQ Question and Answer | PDF Free Download
1.The structure of a grinding wheel depends upon
- AHardness of the material being ground
- BNature of the grinding operation
- CFinish required
- DAll of these
2.A dynamo-meter is a device used for the measurement of
- AChip thickness ratio
- BForces during metal cutting
- CWear of the cutting tool
- DDeflection of the cutting tool
3.In oblique cutting of metals, the cutting edge of the tool is
- APerpendicular to the workpiece
- BPerpendicular to the direction of tool travel
- CParallel to the direction of tool travel
- DInclined at an angle less than 90° to the direction of tool travel
4.A solid cylinder of diameter 100 mm and height 50 mm is forged between two frictionless flat dies to a height of 25 mm. The percentage change in diameter is
- A0
- B2.07
- C20.7
- D41.4
5.The process of improving the cutting action of the grinding wheel is called
- ATruing
- BDressing
- CFacing
- DClearing
6.In a particular type of welding, flux is prepared in the form of a coarse powder and granulated flux is spread over the joint. What is this type of welding process called?
- AElectric arc welding
- BSubmerged arc welding
- CMIG welding
- DTIG welding
7.Gear lapping is an operation
- AAfter heat treatment
- BPrior to heat treatment
- CFor gear reconditioning
- DNone of these
8.Any number of equal divisions can be obtained on milling machine by
- ADirect indexing
- BSimple indexing
- CCompound indexing
- DDifferential indexing
9.Broaching is applied for machining
- AInternal and external surfaces
- BRound or irregular shaped holes
- CExternal flat and contoured surfaces
- DAll of these
10.An operation of embossing a diamond shaped pattern on the surface of a workpiece, is known as
- ACounter-boring
- BGrooving
- CKnurling
- DFacing
11.Misrun is a casting defect which occurs due to
- AVery high pouring temperature of the metal
- BInsufficient fluidity of the molten metal
- CAbsorption of gases by the liquid metal
- DImproper alignment of the mould flasks
12.A lathe with four steps on the cone pulley and with back-gears will have
- AFour direct speeds
- BFour indirect speeds
- CFour direct and four indirect speeds
- DEight indirect speeds
13.A drill considered as a cutting tool having zero rake, is known as a
- AFlat drill
- BStraight fluted drill
- CParallel shank twist drill
- DTapered shank twist drill
14.The common welding error that occurs due to shrinkage of weld metal, faulty clamping of parts, faulty penetration or overheating at joints is called?
- ADistortion
- BWarping
- CPorous weld
- DPoor fusion
15.Jigs are used
- AFor holding and guiding the tool in drilling, reaming or tapping operations
- BFor holding the work in milling, grinding, planing or turning operations
- CTo check the accuracy of workpiece
- DNone of the above
16.In drilling aluminium, a drill with
- AZero helix angle is used
- BLow helix angle is used
- CHigh helix angle is used
- DAny helix angle can be used
17.The mechanism of material removal in EDM process is
- AMelting and Evaporation
- BMelting and Corrosion
- CErosion and Cavitations
- DCavitations and Evaporation
18.In which type of welding a gas shield, a consumable electrode is used and the welding can be done in all positions.
- AARC welding
- BSubmerged ARC welding
- CTIG welding
- DMIG welding
19.In a shaper
- ATool is stationary and work reciprocates
- BWork is stationary and tool reciprocates
- CTool moves over stationary work
- DTool moves over reciprocating work
20.In a planer
- ATool is stationary and work reciprocates
- BWork is stationary and tool reciprocates
- CTool moves over stationary work
- DTool moves over reciprocating work