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?

Machine Design MCQ with Answers

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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

33) In unilateral system of tolerance, the tolerance is allowed on

one side of the actual size

one side of the nominal size

both sides of the actual size

both sides of the nominal size

Answer is:

one side of the nominal size

Machine Design MCQ with Answers

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

Mild steel

Machine Design MCQ with Answers

Related Machine Design MCQ with Answers

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

33) In unilateral system of tolerance, the tolerance is allowed on

one side of the nominal size

Machine Design MCQ with Answers