41-A pattern maker’s shrinkage rule considers
(A) All materials of the pattern
(B) All materials to be cast
(C) Only shrinkage allowance
(D) All pattern allowances
42-Metal patterns are used for
(A) Large scale production of castings
(B) Complicated castings
(C) Large castings
(D) Small castings
43-Wear ratio of tungsten carbide work is:
44-Burnishing process can give _______ surface finish on a component.
45-Which of the following impurity in cast iron makes it hard and brittle?
46-In case of which fit, the tolerances are most tight?
(A) Can’t say
47-Lay is a concept applicable for _______
(A) Machine layout
(B) Surface finish
48-_______ is useful for angular measurement.
(A) Angular gauge
(C) Both (A) and (B)
(D) None of the above
49-_______ tolerance is related to alignment of components.
50-Which of the following welding process uses non-consumable electrodes?
(A) Submerged arc welding
(B) Manual arc welding
(C) MIG welding
(D) TIG welding
41-(C), 42-(A), 43-(A), 44-(C), 45-(C), 46-(A), 47-(B), 48-(B), 49-(C), 50-(D)