Materials And Construction MCQ Questions & Answers

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Each section contains 100 MCQs on Materials and Construction .

Addition of lead, sulphur and phosphorus to low carbon steel helps in improving its

A) Corrosion resistance B) Tensile strength C) Machinability D) Compressive strength

Discuss

Answer & Solution

Answer: Option C

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

Maximum permissible sulphur content in steel is __________ percent.

A) 0.015 B) 0.055 C) 0.505 D) 0.805

Discuss

Answer & Solution

Answer: Option B

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

Carbon content in steel is __________ percent.

A) 0.1-2 B) 4-6 C) 2-4 D) 0.001-0.01

Discuss

Answer & Solution

Answer: Option A

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

Carbon content in plain carbon steel is __________ percent.

A) 0.1 to 0.15 B) 0.35 to 0.45 C) 0.65 to 0.80 D) 0.85 to 1.2

Discuss

Answer & Solution

Answer: Option B

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

Constantan used in thermocouples is an alloy of

A) Iron & copper B) Copper & aluminium C) Lead & tin D) None of these

Discuss

Answer & Solution

Answer: Option D

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

__________ does not contain tin as an alloying material.

A) Brass B) Pewter C) Solder D) Babbit metal

Discuss

Answer & Solution

Answer: Option A

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

Which of the following finds the least commercial use?

A) Pure iron B) High silicon iron C) Low carbon steel D) High carbon steel

Discuss

Answer & Solution

Answer: Option A

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

Pick out the wrong statement.

A) Tin can be readily and very easily drawn into very fine wire B) Tin can be severely cold worked without the necessity of annealing due to its low recrystallisation temperature C) Tin exists in two allotropic forms D) The predominant use of tin is in the form of coating for steel & copper alloys

Discuss

Answer & Solution

Answer: Option A

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

A hardened steel essentially contains

A) Sorbite B) Troostite C) Martensite D) None of these

Discuss

Answer & Solution

Answer: Option C

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

Diamagnetic materials are magnetised

A) Strongly B) Only slightly C) With eddy currents only D) In a direction opposite to that of the applied field

Discuss

Answer & Solution

Answer: Option D

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

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Materials And Construction MCQ Questions & Answers | Chemical Engineering