Manufacturing Processes Questions and Answers
11- Drills are provided with five different sizes of morse tapers and are numbered from:
(A) MT 1 to MT 5
(B) MT 0 to MT 4
(C) MT 2 to MT 6
(D) MT 3 to MT 7
12-The reading accuracy of the steel rule is ___ mm.
(A) 5
(B) 0.5
(C) 0.05
(D) 0.005
13- ___ can be used for different types of work like layout work, measurement and checking of angles.
(A) Bevel protractor
(B) Vernier Height Gauge
(C) Combination Set
(D) Surface Gauge
14- Sensitive drilling machine is capable of drilling holes upto ___ mm diameter.
(A) 10
(B) 12.5
(C) 12
(D) 13
15-The accuracy of measurement by a try square is about ___ mm per 10 mm length.
(A) 0.001
(B) 0.02
(C) 0.2
(D) 0.002
16-The purpose of quick return mechanism in a slotting machine is to ___
(A) Reduce idle time having faster idler stroke
(B) Have faster return stroke
(C) Reduce the cutting time
(D) Maintain standard cutting speed
17- ___ are used to cut external threads on cylindrical work pieces.
(A) Taps
(B) Chasers
(C) Dies
(D) Templates
18- ___ is a non-metallic tool material.
(A) Ceramics
(B) High carbon steel
(C) Stellites
(D) Carbide
19- ___ is an operation of beveling the end of a drilled hole.
(A) Counter boring
(B) Counter sinking
(C) Spot facing
(D) None of the above
20-The cutting angle for chipping cast iron is
(A) 30°
(B) 37.5°
(C) 45°
(D) 60°
ANSWERS:
11-(C), 12-(B), 13-(C), 14-(B), 15-(A), 16-(A), 17-(C), 18-(A), 19-(B), 20-(D)