28) The value of stress concentration factor depends upon

material of the part

geometry of the part

material and geometry of the part

none of these

Answer is:

material and geometry of the part

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29) Which of the following material has the maximum ductility?

Mild steel

Copper

Zinc

Aluminium

Answer is:

Mild steel

Which of the following material has the maximum ductility?

30) When a bolt is subjected to shock loading, the resilience of the bolt should be considered in order to prevent breakage at the

head

shank

thread

middle

Answer is:

thread

31) In order to obtain the bolts of uniform strength, an axial hole is drilled through the head as far as the threaded portion such that the area of shank becomes equal to the root area of the thread.

Right

Wrong

Answer is:

Right

32) An open belt drive is used when

shafts are arranged parallel and rotate in the opposite directions

shafts are arranged parallel and rotate in the same directions

shafts are arranged at right angles and rotate in one definite direction

driven shaft is to be started or stopped whenever desired without interferring with the driving shaft

Answer is:

shafts are arranged parallel and rotate in the same directions

Machine Design MCQ with Answers

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28) The value of stress concentration factor depends upon

material and geometry of the part

Machine Design MCQ with Answers

Related Machine Design MCQ with Answers

29) Which of the following material has the maximum ductility?

Mild steel

30) When a bolt is subjected to shock loading, the resilience of the bolt should be considered in order to prevent breakage at the

thread

31) In order to obtain the bolts of uniform strength, an axial hole is drilled through the head as far as the threaded portion such that the area of shank becomes equal to the root area of the thread.

Right

32) An open belt drive is used when

shafts are arranged parallel and rotate in the same directions

Machine Design MCQ with Answers