Materials And Construction MCQ Questions & Answers

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Each section contains 100 MCQs on Materials and Construction .

Presence of nitrogen in steel

A) Makes it brittle B) Increases its strength C) Increases its hardness D) Is desirable

Discuss

Answer & Solution

Answer: Option A

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

Presence of silicon in steel

A) Is in the form of free Si B) Indicates that steel is not deoxidised properly C) Decreases the blow holes formation tendency in castings D) None of these

Discuss

Answer & Solution

Answer: Option C

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

Carbon is present in steel wholly in the

A) Combined form B) Free state as graphite C) Both A & B D) Neither A nor B

Discuss

Answer & Solution

Answer: Option A

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

Hastelloy C is a good material of construction in chemical process industry, since it is

A) Highly corrosion resistant and is readily fabricated B) Relatively inexpensive although it can be fabricated with some difficulty C) Corrosion resistant to most alkalis, particularly because of its coper content D) Light and resists attack by acids

Discuss

Answer & Solution

Answer: Option D

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

Spray dryer for evaporating milk to produce milk powder is made of

A) Lead lined steel B) Stainless steel C) Aluminium D) Cast iron

Discuss

Answer & Solution

Answer: Option B

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

Pure nickel is

A) Ferromagnetic above its curie point (i.e., 415°C) B) Having h.c.p. crystal lattice C) Ferromagnetic at room temperature D) Not resistant to oxidation at high temperature

Discuss

Answer & Solution

Answer: Option C

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

Aluminium alloy is one of the most suitable materials of construction for aircrafts mainly due to its

A) High strength to weight ratio B) Low temperature strength properties C) Its ability to be cast, rolled, forged & stamped D) High strength and corrosion & oxidation-resistance at elevated temperature

Discuss

Answer & Solution

Answer: Option A

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

Babbit metal used for bearings is a____base alloy.

A) Tin B) Lead C) Aluminium D) Copper

Discuss

Answer & Solution

Answer: Option A

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

The most commonly used resin for making reinforced plastic is

A) Unsaturated polyester B) Polypropylene C) Polyurathane D) Nylon-6

Discuss

Answer & Solution

Answer: Option A

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

100

The hardest material just prior to diamond in Mho's scale is

A) Topax B) Carborundum C) Corrundum D) Calcite

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