Materials And Construction MCQ Questions & Answers

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Each section contains 100 MCQs on Materials and Construction .

Fatigue strength of a material increases by

A) Having notches in the specimen B) Rise in temperature C) Under stressing the specimen D) Having scratches on the surface

Discuss

Answer & Solution

Answer: Option C

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

Which of the following alloy steels is the most suitable for making gun barrels and projectiles?

A) Tungsten steel B) Molybdenum steel C) Nickel-chrome steel D) Cobalt steel

Discuss

Answer & Solution

Answer: Option C

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

Gun metal is an alloy of

A) Nickel, tin and copper B) Copper, tin and zinc C) Copper, phosphorus and nickel D) Manganese, phosphorus and nickel

Discuss

Answer & Solution

Answer: Option B

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

Which is the purest form of iron?

A) Wrought iron B) Pig iron C) Bessemer iron D) Grey 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) Pure rubber is as useless as pure gold as a material of construction B) Thermal conductivity of aluminium is higher than that of copper; hence it is increasingly used for utensil making C) Copper has poor weldability D) Reinforced plastics are made from both thermoplastic as well as thermosetting plastics

Discuss

Answer & Solution

Answer: Option B

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

High speed steel should have high

A) Toughness B) Wear resistance C) Hardenability D) Both B & C

Discuss

Answer & Solution

Answer: Option D

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

High carbon steel contains more than __________ percent carbon.

A) 0.5 B) 2.2 C) 2.5 D) 2.8

Discuss

Answer & Solution

Answer: Option A

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

Which of the following exercises most powerful influence on the mechanical properties of steel?

A) Manganese B) Carbon C) Phosphorous D) Silicon

Discuss

Answer & Solution

Answer: Option B

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

Hardened steel is softened by

A) Normalising B) Tempering C) Annealing D) Carburising

Discuss

Answer & Solution

Answer: Option B

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

Which of the following has the poorest weldability?

A) Low carbon steel B) Mild steel C) Wrought iron D) High-carbon steel

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