Machine Design MCQ Questions & Answers

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Each section contains 100 MCQs on Machine Design .

A riveted joint is a __________ fastening.

A) Permanent B) Temporary C) Either A or B D) None of these

Discuss

Answer & Solution

Answer: Option A

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

The expansion joint is mostly used for pipes which carry steam at __________ pressures.

A) Low B) High C) Medium D) None of these

Discuss

Answer & Solution

Answer: Option B

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

The V-belts are particularly suitable for __________ drives.

A) Short B) Long 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

A crankshaft is a __________ shaft.

A) Transmission B) Machine C) Machine frame D) None of these

Discuss

Answer & Solution

Answer: Option B

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

A single strap butt joint is always in __________ shear.

A) Single B) Double C) Triple share D) None of these

Discuss

Answer & Solution

Answer: Option A

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

The dedendum circle diameter is equal to (where $$\varphi $$ = Pressure angle)

A) Pitch circle diameter × cos$$\,\varphi $$ B) Addendum circle diameter × cos$$\,\varphi $$ C) Clearance circle diameter × cos$$\,\varphi $$ D) Pitch circle diameter × sin$$\,\varphi $$

Discuss

Answer & Solution

Answer: Option A

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

The velocity factor for precision metallic gears cut with high accuracy and operating at velocities up to 20 m/s is equal to

A) $$\frac{{0.75}}{{0.75 + \sqrt {\text{v}} }}$$ B) $$\frac{3}{{3 + {\text{v}}}}$$ C) $$\frac{{4.5}}{{4.5 + {\text{v}}}}$$ D) $$\frac{6}{{6 + {\text{v}}}}$$

Discuss

Answer & Solution

Answer: Option A

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

According to Indian standard specifications, a Grey cast iron designated by 'FG 200' means that the

A) Carbon content is 2% B) Maximum compressive strength is 200 N/mm² C) Minimum tensile strength is 200 N/mm² D) Maximum shear strength is 200 N/mm²

Discuss

Answer & Solution

Answer: Option C

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

The designation M 33 × 2 of a bolt means

A) Metric threads of 33 numbers in 2 cm B) Metric threads with cross-section of 33 mm C) Metric threads of 33 mm outside diameter and 2 mm pitch D) Bolt of 33 mm nominal diameter having 2 threads per cm

Discuss

Answer & Solution

Answer: Option C

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

A bolt of M 24 × 2 means that

A) The pitch of the thread is 24 mm and depth is 2 mm B) Cross-sectional area of the threads is 24 mm² C) The nominal diameter of bolt is 24 mm and pitch is 2 mm D) The effective diameter of bolt is 24 mm and there are 2 threads per cm

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