Mechanical Engineering - Workshop Technology

1. 

In a unilateral system of tolerance, the tolerance is allowed on

A. one side of the actual size
B. one side of the nominal size
C. both sides of the actual size
D. both sides of the nominal size

Answer: Option B

Explanation:

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

2. 

A two high rolling mill consists of two rolls which rotate

A. at the same speed and in the same direction
B. at the same speed but in opposite direction
C. at different speeds and in the same direction
D. at different speeds and in the opposite direction

Answer: Option B

Explanation:

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3. 

Carburising flame is used to weld

A. steel, cast iron, copper, aluminium etc
B. brass and bronze
C. hard surfacing materials such as stellite
D. all of these

Answer: Option C

Explanation:

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4. 

The electrode tip diameter (d) in spot welding should be equal to (where t = Thickness of plate to be welded)

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

Answer: Option D

Explanation:

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5. 

For obtaining a cup of diameter 25 mm and height 15 mm by drawing, the size of the round blank should be approximately

A. 42 mm
B. 44 mm
C. 46 mm
D. 48 mm

Answer: Option C

Explanation:

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

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