Materials And Construction MCQ Questions & Answers

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Each section contains 100 MCQs on Materials and Construction .

In order to be called steel, an alloy should have iron percentage greater than

A) 80 B) 70 C) 90 D) 50

Discuss

Answer & Solution

Answer: Option A

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

Carbon percentage is the same in cast iron and

A) Wrought iron B) Pig iron C) Mild steel D) High silicon (14%) iron

Discuss

Answer & Solution

Answer: Option B

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

Which one contains the least percentage of carbon?

A) Wrought iron B) High speed steel C) Cast iron D) Pig iron

Discuss

Answer & Solution

Answer: Option A

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

Spark plugs, ignition tubes and electrodes are made of nickel __________ alloys.

A) Beryllium B) Manganese C) Copper D) Iron

Discuss

Answer & Solution

Answer: Option B

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

The purpose of nitriding the steel is to

A) Harden its surface B) Soften its surface C) Improve its reliability D) None of these

Discuss

Answer & Solution

Answer: Option A

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

Acetaldehyde is produced by hydration of acetylene in a sulphuric acid solution of mercuric sulphate. Hydration tower is made of

A) Rubber lined mild steel B) Lead lined mild steel C) Aluminium D) Cast iron

Discuss

Answer & Solution

Answer: Option A

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

Pick out the wrong statement

A) Hardening makes the steel more brittle B) High alloy steels contain more than 50% alloying element C) 18/8 stainless steel is a magnetic steel D) Both B and C

Discuss

Answer & Solution

Answer: Option D

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

A material capable of undergoing large permanent deformation, when subjected to tension is termed as

A) Friable B) Ductile C) Brittle D) None of these

Discuss

Answer & Solution

Answer: Option B

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

Which one occupies the lowermost position in the electromotive series of metals?

A) Aluminium B) Noble metals (Ag, Pt, Au) C) Zinc D) Alkali metals (K, Na, Li)

Discuss

Answer & Solution

Answer: Option B

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

100

Carbon is present in the uncombined (graphitic) form in case of

A) Cast iron B) Steel C) Ferroalloy D) None of these

Discuss

Answer & Solution

Answer: Option A

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

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Materials And Construction MCQ Questions & Answers | Chemical Engineering