Design of Machine Elements MCQs With Answers

 

1. Stressed parts are always kept in tension.

A. true

B. false

A. true

explanation:-cast iron has more compressive strength.

2. Which process allows controlling grain structure of the product?

A. casting

B. forging

C. none of the mentioned

D. die casting

B. forging

explanation:-in casting metal is in fluid state and hence impossible to control the grain structure.

3. Cast surfaces have good finishing.

A. true

B. false

B. false

explanation:-cavity is surrounded by sand and hence not good finish is obtained.

4. In forging, metal is in which of the following stage?

A. elastic

B. plastic

C. can be in any stage

D. rigid

B. plastic

explanation:-forging is the working of metal in plastic range.

5. Among casting, forging and forging which has the slowest rate of production?

A. casting

B. forging

C. machining

D. all have equal rate of production

C. machining

explanation:-machining each part is very time consuming.

MCQs With Answers

Monday, January 24, 2022

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