Workshop Technology MCQ Question with Answer

Workshop Technology MCQ with detailed explanation for interview, entrance and competitive exams. Explanation are given for understanding.

Question No : 43
In forehand welding, the angle between the welding rod and the work is kept as

30°-40°

40°-50°

50°-60°

60°-70°

Question No : 44
Blanking and piercing operations can be performed simultaneously in a

Simple die

Progressive die

Compound die

Combination die

Question No : 45
A jolt machine is used to

Ram the sand harder at the pattern face with decreasing hardness towards the back of the mould

Ram the sand harder at the back of the mould and softer on the pattern face

Produce uniform sand hardness throughout the mould

Produce uniform packing of sand in the mould

Question No : 46
A pattern maker's shrinkage rule considers

All pattern allowances

Only shrinkage allowance

All materials to be cast

All materials of the pattern

Question No : 47
Piercing is an operation of cutting

A cylindrical hole in a sheet of metal by the punch and the die

A hole (other than cylindrical) in a sheet of metal by the punch and the die

A flat sheet to the desired shape

A number of holes evenly spaced in a regular pattern on a sheet of metal

Question No : 48
The temperature of the inner luminous cone of neutral flame is about

1000°C

1250°C

2100°C

3200°C

Question No : 49
Tandem drawing of wires and tubes is necessary because

It is not possible to reduce at one stage

Annealing is needed between stages

Accuracy in dimensions is not possible otherwise

Surface finish improves after every drawing stage