Mechanical Engineering - Workshop Technology

26. 

Metal patterns are used for

A. small castings
B. large castings
C. complicated castings
D. large scale production of castings

Answer: Option D

Explanation:

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

27. 

The instrument which has all the features of try-square, bevel protractor, rule and scriber, is

A. outside micrometer
B. inside micrometer
C. depth gauge micrometer
D. combination set

Answer: Option D

Explanation:

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28. 

When a hole or cavity to be cored is not in line with the parting surface, then a __________ is used.

A. horizontal core
B. vertical core
C. drop core
D. balanced core

Answer: Option C

Explanation:

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29. 

The bloom is smaller than a billet.

A. True
B. False

Answer: Option B

Explanation:

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30. 

In average work, the tolerance produced by investment casting method is

A. ±0.05 mm
B. +0.2 mm
C. +05 mm
D. +1 mm

Answer: Option A

Explanation:

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