Materials And Construction MCQ Questions & Answers

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Each section contains 100 MCQs on Materials and Construction .

Which of the following is the hardest material?

A) Topaz B) Quartz C) Corrundum D) Flourite

Discuss

Answer & Solution

Answer: Option C

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

Which of the following is the softest material?

A) Quartz B) Calcite C) Corrundum D) Flourite

Discuss

Answer & Solution

Answer: Option B

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

Wood is corroded by

A) Hydrochloric acid B) SO₂ (dry or wet) C) Chlorine (dry or wet) D) All of the above

Discuss

Answer & Solution

Answer: Option D

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

Work hardening of a material

A) Decreases its tensile strength B) Decreases its ductility C) Increases its ductility D) Does not affect its ductility

Discuss

Answer & Solution

Answer: Option B

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

Wrought iron is

A) High carbon iron B) Highly resistance to acid corrosion C) Malleable & ductile; and hence is used for chain links, hooks & couplings D) An alloy of iron, chromium & carbon

Discuss

Answer & Solution

Answer: Option C

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

Creep is not exhibited at low temperature by

A) Rubber B) Acrylics C) Lead D) Plastics

Discuss

Answer & Solution

Answer: Option C

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

Silicon percentage in iron castings to have maximum hardness should be about

A) 0.3 B) 0.5 C) 0.8 D) 2.5

Discuss

Answer & Solution

Answer: Option C

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

Heavy duty bearings are usually made of

A) White metal B) Phosphorous bronze C) Monel D) Zinc

Discuss

Answer & Solution

Answer: Option A

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

Rotary driers are generally made of

A) Cast iron B) Mild steel C) High silicon iron (14% Si) D) Tin lined with refractory bricks

Discuss

Answer & Solution

Answer: Option B

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

100

Corrosion resisting properties of cast iron are significantly improved by the addition of 12 - 15% of

A) Tungsten B) Vanadium C) Silicon D) All 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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Materials And Construction MCQ Questions & Answers | Chemical Engineering