Manufacturing Processes Questions and Answers
31- Knurling operation is done at a spindle speed of ___ of the turning speed.
(A) 1/3
(B) 1/2
(C) 1/4
(D) 1/5
32-The tool signature is
(A) A numerical method of identification of tool
(B) The plan of tool
(C) The complete specification of tool
(D) There is nothing like tool signature
33-The size of the shaper is specified by ___ .
(A) Maximum Length of stroke
(B) Size of the table
(C) Maximum size of the tool
(D) Horse power of motor
34- Which one of the following is used to check an angle most precisely?
(A) Sine bar
(B) Universal Bevel protractor
(C) Protractor
(D) Combination set
35- Volume of a hollow cylinder, V = ___ .
(A) π(R2 + r2)h
(B) π(R2 – r2)h
(C) π(R + r)h
(D) π(R – r)h
36-Generally, ratio of forward and return stroke in a shaper is ___ .
(A) 2:1
(B) 1:2
(C) 2:3
(D) 3:2
37-Magnetism is a ___ property.
(A) Chemical
(B) Physical
(C) Mechanical
(D) Electrical
38-The property by means of which a metal does not break on twisting or bending is ___ .
(A) Hardness
(B) Brittleness
(C) Toughness
(D) Ductility
39- Which of the following is a non-ferrous metal?
(A) Pig iron
(B) Mild steel
(C) Aluminium
(D) All of the above
40- Medium carbon steel contains ___ % of carbon.
(A) 0.15 to 0.25
(B) 0.1 to 0.2
(C) 0.5 to 1.5
(D) 0.25 to 0.5
ANSWERS:
31-(C), 32-(C), 33-(A), 34-(A), 35-(B), 36-(D), 37-(B), 38-(D), 39-(C), 40-(D)