Chemical Engineering Basics MCQ Questions & Answers

31

Copper is not present as an alloying constituent in

A) Silicon bronze B) Constantan C) Nichrome D) Delta metal

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Answer & Solution

Answer: Option C

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32

Kinematic viscosity of water as compared to that of air is

A) More B) Same C) 15% more D) 15% less

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Answer & Solution

Answer: Option D

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33

Area under the stress-strain curve upto the __________ is referred to as the modulus of resilience.

A) Yield strength B) Elastic limit C) Proportional limit D) Maximum point

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Answer & Solution

Answer: Option C

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34

__________ test can be termed as the semi-distructive test.

A) Impact B) Torsion C) Hardness D) Charpy

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Answer & Solution

Answer: Option C

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35

A 2 kg object weighs 1.8 kgf on a spring balance. The value of 'g' at that location in m/sec² is

A) 8.82 B) 9.81 C) 10.88 D) 0.95

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Answer & Solution

Answer: Option A

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36

The weight of a body at the centre of the earth is

A) Infinite B) Zero C) Same as on the surface of the earth D) None of these

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Answer & Solution

Answer: Option B

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37

The efficiency of a Carnot heat engine operating between absolute temperatures T₁ and T₂ (when, T₁ > T₂) is given by $$\frac{{{{\text{T}}_1} - {{\text{T}}_2}}}{{{{\text{T}}_1}}}.$$ The co-efficient of performance (C.O.P.) of a Carnot heat pump operating between T₁ and T₂ is given by

A) $$\frac{{{{\text{T}}_1}}}{{{{\text{T}}_1} - {{\text{T}}_2}}}$$ B) $$\frac{{{{\text{T}}_2}}}{{{{\text{T}}_1} - {{\text{T}}_2}}}$$ C) $$\frac{{{{\text{T}}_1}}}{{{{\text{T}}_2}}}$$ D) $$\frac{{{{\text{T}}_2}}}{{{{\text{T}}_1}}}$$

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Answer & Solution

Answer: Option B

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38

Lead is poured into the joint between two __________ pipes.

A) Mild steel B) Concrete C) Cast iron D) Asbestos cement

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Answer & Solution

Answer: Option C

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39

Lead is poured into the joints between two __________ pipes.

A) Cast iron B) Steel C) Concrete D) Plastic

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Answer & Solution

Answer: Option A

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40

Free oxygen is removed from boiler feed water, because it

A) Reduces heat transfer co-efficient B) Is corrosive C) Causes explosion D) None of these

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Answer & Solution

Answer: Option B

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Chemical Engineering Basics MCQ Questions & Answers | Chemical Engineering