Chemical Engineering Basics MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Chemical Engineering Basics, a fundamental topic in the field of Basic Chemical Engineering. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Chemical Engineering Basics MCQs are designed to help you grasp the core concepts and excel in solving problems.

In this section, you'll find a wide range of Chemical Engineering Basics mcq questions that explore various aspects of Chemical Engineering Basics problems. Each MCQ is crafted to challenge your understanding of Chemical Engineering Basics principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Basic Chemical Engineering tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Chemical Engineering Basics MCQs are your pathway to success in mastering this essential Basic Chemical Engineering topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Chemical Engineering Basics. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

So, are you ready to put your Chemical Engineering Basics knowledge to the test? Let's get started with our carefully curated MCQs!

Chemical Engineering Basics MCQs | Page 38 of 136

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Q371.
Energy to be supplied to the radioactive nucleus for the emission of a neutron is __________ MeV.

a.

0.8

b.

7.8

c.

200

d.

10000

Discuss
Answer: (a).0.8
Q372.
The co-ordination number in simple cubic structure is

a.

4

b.

6

c.

8

d.

12

Discuss
Answer: (b).6
Q373.
Out of the following surfaces, the emis-sivity will be minimum for

a.

aluminium foil

b.

concrete

c.

plaster

d.

smooth glass

Discuss
Answer: (b).concrete
Q374.
The property of material, by which a given amount of energy is absorbed by it without plastic deformation, is called the

a.

resilience

b.

toughness

c.

ductility

d.

impact strength

Discuss
Answer: (a).resilience
Q375.
The size of the tetrahedral void in the closest packing of atoms is __________ that of the octahedral void.

a.

equal to

b.

greater than

c.

less than

d.

either (a), (b) or (c); depends on the size of atom

Discuss
Answer: (c).less than
Q376.
__________ the exhaust gas is an indication of the incomplete combustion of fuel.

a.

Low temperature of

b.

High temperature of

c.

High % of CO in

d.

High % of CO₂ in

Discuss
Answer: (c).High % of CO in
Q377.
Air/fuel ratio on molar (volume) basis for combustion of methane with theoretical quantity of air with be

a.

9.5:1

b.

12.5:1

c.

15.5 :1

d.

18.5 : 1

Discuss
Answer: (a).9.5:1
Q378.
Frost formation on the evaporator tubes in the domestic refrigerators

a.

can be prevented by proper design.

b.

decreased compressor power.

c.

causes heat loss due to poor heat transfer.

d.

is immaterial.

Discuss
Answer: (c).causes heat loss due to poor heat transfer.
Q379.
Function of feed check valve in a boiler is to

a.

facilitate circulation of high pressure feed water.

b.

check the water level in the boiler drum.

c.

prevent the back flow of water.

d.

regulate the water flow to boiler.

Discuss
Answer: (c).prevent the back flow of water.
Q380.
Preheating prior to welding is done for the purpose of

a.

decreasing cooling rate.

b.

facilitating fusion of high melting metals.

c.

preventing hot cracking.

d.

ensuring full penetration.

Discuss
Answer: (a).decreasing cooling rate.
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