Production Engineering Multiple Choice Questions
1- Which of the following is not a natural abrasive?
(A) Emery
(B) Quartz
(C) Silicon carbide
(D) Sandstone
2- Which of the following is the hardest cutting tool material next to diamond?
(A) Cemented carbides
(B) Ceramics
(C) Silicon
(D) Cubic boron nitride
3- Re-crystallization temperature is one:
(A) At which crystals start forming from molten metal when it is cooled
(B) At which new crystals first begin to form from the old deformed one when a strained metal is heated
(C) At which change of allotropic form takes place
(D) At which crystals grow bigger in size
4- The aluminium oxide abrasive is chiefly used for grinding
(A) High speed steel
(B) Carbon steel
(C) Wrought iron
(D) All of the above
5- The passage way of bringing the molten to the mould cavity is called as
(A) piping system
(B) entry system
(C) gating system
(D) loaming system
6- Process of making cup shaped parts is called as
(A) hot spinning
(B) deep drawing
(C) rolling
(D) forging
7- In case of single point cutting tool the surface area over which chip slides is
(A) Flank
(B) Face
(C) Heel
(D) Shank
8- Peening is the process classified under
(A) hot working
(B) cold working
(C) both (A) and (B)
(D) drawing
9- In pure orthogonal cutting the inclination angle is
(A) 0°
(B) 90°
(C) Less than 90°
(D) Greater than 90°
10- Negative rake angle is recommended for
(A) Low power machines
(B) Machining long shafts with small diameters
(C) Rigid setups cutting at high speed
(D) Low cutting speeds
11- High speed steel does not contain
(A) Tungsten
(B) Chromium
(C) Vanadium
(D) Nickel
12- Operation in which unwanted excess material is removed or cut from previously formed component is known as
(A) Trimming
(B) Notching
(C) Punching
(D) Blanking
13- Lathe machine capable of holding number of tools is called
(A) Speed lathe
(B) Turret and Capstan lathe
(C) Bench lathe
(D) Centre lathe
14- Which metal forming process is used for the manufacturing of long steel wire?
(A) Drawing
(B) Deep drawing
(C) Forging
(D) Extrusion
15- Which of the following operation needs engagement of carriage with lead screw of lathe?
(A) Turning
(B) Drilling
(C) Boring
(D) Thread cutting
ANSWERS:
1-(A), 2-(D), 3-(B), 4-(D), 5-(C), 6-(B), 7-(B), 8-(B), 9-(A), 10-(C), 11-(D), 12-(A), 13-(B), 14-(A), 15-(D),