Machine Design MCQ Questions & Answers

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Each section contains 100 MCQs on Machine Design .

The stretching in a belt can be controlled by __________ the stress in the belt.

A) Reducing B) Increasing C) Both A and B D) None of these

Discuss

Answer & Solution

Answer: Option A

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

When compared to the rod of the same diameter and material, a wire rope

A) Is less flexible B) Has a much smaller load carrying capacity C) Does not provide much warning before failure D) Provides much greater time for remedial action before failure

Discuss

Answer & Solution

Answer: Option B

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

The design of shafts made of brittle materials is based on

A) Guest's theory B) Rankine's theory C) St. Venant's theory D) Von Mises's theory

Discuss

Answer & Solution

Answer: Option B

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

The bearing characteristic number in a hydrodynamic bearing depends upon

A) Length, width and load B) Length, width and speed C) Viscosity, speed and load D) Viscosity, speed and bearing pressure

Discuss

Answer & Solution

Answer: Option D

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

Spring stiffness is

A) Ratio of coil diameter to wire diameter B) Load required to produce unit deflection C) Its capability of storing energy D) Its ability to absorb shocks

Discuss

Answer & Solution

Answer: Option B

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

The coefficient of friction in belt drive depends upon

A) Material of belt B) Material of pulley C) Materials of belt and pulley D) Belt velocity

Discuss

Answer & Solution

Answer: Option C

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

The power transmitted by belt drive depends upon

A) Belt velocity B) Initial belt tension C) Arc of contact D) All of the above

Discuss

Answer & Solution

Answer: Option D

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

An open belt drive is used when

A) Shafts are arranged at right angles and rotate in one definite direction B) Shafts are arranged parallel and rotate in the opposite directions C) Shafts are arranged parallel and rotate in the same directions D) Driven shaft is to be started or stopped whenever desired without interfering with the driving shaft

Discuss

Answer & Solution

Answer: Option C

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

A fast and loose pulley drive is used when

A) Shafts are arranged parallel and rotate in the opposite directions B) Shafts are arranged parallel and rotate in the same directions C) Shafts are arranged at right angles and rotate in one definite direction D) Driven shaft is to be started or stopped whenever desired without interfering with the driving shaft

Discuss

Answer & Solution

Answer: Option D

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

A compound belt drive is used when

Discuss

Answer & Solution

Answer: Option D

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

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Machine Design MCQ Questions & Answers | Mechanical Engineering