Mechanical Engineering - Workshop Technology

16. 

In spot welding, the spacing between two spot weld should not be less than

A. d
B. 1.5 d
C. 3 d
D. 6 d

Answer: Option C

Explanation:

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17. 

Aluminium is the best material for making patterns because it is

A. light in weight
B. easy to work
C. corrosion resistant
D. all of these

Answer: Option D

Explanation:

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18. 

Gagger is used for cleaning the moulding sand.

A. Correct
B. Incorrect

Answer: Option B

Explanation:

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19. 

In sheet metal work, the cutting force on the tool can be reduced by

A. grinding the cutting edges sharp
B. increasing the hardness of tool
C. providing shear on tool
D. increasing the hardness of die

Answer: Option A

Explanation:

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20. 

In order to get uniform thickness of the plate by rolling process, one provides

A. camber on the rolls
B. offset on the rolls
C. hardening of the rolls
D. antifriction bearings

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.