Machine Design MCQ Questions & Answers

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Each section contains 100 MCQs on Machine Design .

The notch angle of the Izod impact test specimen is

A) 10° B) 20° C) 30° D) 45°

Discuss

Answer & Solution

Answer: Option D

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

For maximum power, the velocity of the belt will be

A) $$\sqrt {\frac{{\text{T}}}{{\text{m}}}} $$ B) $$\sqrt {\frac{{\text{T}}}{{2{\text{m}}}}} $$ C) $$\sqrt {\frac{{\text{T}}}{{3{\text{m}}}}} $$ D) None of these

Discuss

Answer & Solution

Answer: Option C

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

When a bolt is subjected to an external load, the stress induced in the bolt will be

A) Tensile stress B) Shear stress C) Combined tensile and shear stress D) Any one of these

Discuss

Answer & Solution

Answer: Option D

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

The form factor of a helical gear __________ with the increase in the helix angle.

A) Increases B) Decreases C) Remains constant D) None of these

Discuss

Answer & Solution

Answer: Option A

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

A metal pipe of 1 m diameter contains a fluid having a pressure of 1 N/mm². If the permissible tensile stress in the metal is 20 N/mm², then the thickness of the metal required for making the pipe will be

A) 5 mm B) 10 mm C) 15 mm D) 25 mm

Discuss

Answer & Solution

Answer: Option D

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

The velocity of sliding __________ the distance of the point of contact from the pitch point.

A) Is directly proportional to B) Is inversely proportional to C) Is equal to cos$$\,\varphi $$ multiplied by D) Does not depend upon

Discuss

Answer & Solution

Answer: Option A

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

The flank of the tooth is the

A) Surface of the top of the tooth B) Surface of the tooth above the pitch surface C) Width of the tooth measured along the pitch circle D) Surface of the tooth below the pitch surface

Discuss

Answer & Solution

Answer: Option D

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

The face of the tooth is the

A) Surface of the top of the tooth B) Surface of the tooth above the pitch surface C) Surface of the tooth below the pitch surface D) Width of the tooth measured along the pitch circle

Discuss

Answer & Solution

Answer: Option B

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

The function of the washer is to

A) Fill up the axial gap B) Provide bearing area C) Provide cushioning effect D) Absorb shocks and vibrations

Discuss

Answer & Solution

Answer: Option B

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

100

In order to obtain bolt of uniform strength

A) Increase shank diameter B) Increase its length C) Drill an axial hole through head up to threaded portion so that shank area is equal to root area of thread D) Tighten die bolt properly

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