Machine Design MCQ Questions & Answers

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Each section contains 100 MCQs on Machine Design .

The minimum number of teeth on the pinion which will mesh with any gear without interference for 20° full depth involute teeth will be

A) 12 B) 14 C) 18 D) 24

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

A tube has the following advantage over pipe

A) Lighter and easier to handle B) Greater shock absorption C) Smoother inside walls D) All of the above

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

The included angle for the V-belt is usually

A) 10° - 20° B) 30° - 40° C) 40° - 60° D) 60° - 80°

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

The rivet head used for boiler plate riveting is usually

A) Pan Head B) Snap head C) Counter sunk head D) Conical head

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

The ball bearings are provided with a cage

A) To reduce friction B) To facilitate slipping of balls C) To prevent the lubricant from flowing out D) To maintain the balls at a fixed distance apart

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

The maximum bending stress in a curved beam having symmetrical section always occur at the

A) Centroidal axis B) Neutral axis C) Inside fiber D) Outside fiber

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

The toughness of a material _________ when it is heated

A) Does not change B) Increases C) Decreases D) None of the Above

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

The endurance or fatigue limit is defined as the maximum value of the stress which a polished standard specimen can withstand without failure, for infinite number of cycles, when subjected to

A) Static load B) Dynamic load C) Static as well as dynamic load D) Completely reversed load

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

Endurance limit or fatigue limit is the maximum stress that a member can withstand for an infinite number of load applications without failure when subjected to

A) Dynamic loading B) Static loading C) Combined static and dynamic loading D) Completely reversed loading

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

100

In skew bevel gearing, the axes of shafts are

A) Intersecting and the teeth are curved B) Non-intersecting and nonparallel and the teeth are curved C) Non-intersecting and non-parallel and the teeth are straight D) None of the above

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

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Machine Design MCQ Questions & Answers | Mechanical Engineering