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 69 of 136

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Q681.
A thin, flat & square plate measuring 2 m x 2 m is freely hanging in ambient air at 25°C. It is exposed to the solar radiation falling on one side of the plate at the rate of 500 W/m² . The plate temperature will remain constant at 30°C, if the convective heat transfer co-efficient is __________ W/m² °C.

a.

50

b.

100

c.

150

d.

200

Discuss
Answer: (b).100
Q682.
The maximum value, which the residual stress in a material can reach is the __________ of the material.

a.

elastic limit

b.

plastic limit

c.

yield stress

d.

breaking stress

Discuss
Answer: (a).elastic limit
Q683.
What is the critical radius of insulation (cms) for a metallic cylinder, if the convective heat transfer co-efficient with the ambient atmosphere is 5 W/m². °K ? Thermal conductivity of metal and insulation material are 40 and 0.1 W/m.°K respectively.

a.

2

b.

5

c.

10

d.

20

Discuss
Answer: (a).2
Q684.
Which set of materials is used as a moderator in nuclear reactor ?

a.

Zircalloy & berrylium.

b.

Zircalloy & heavy water.

c.

Zirconium & berrylium.

d.

Heavy water & berrelium.

Discuss
Answer: (d).Heavy water & berrelium.
Q685.
Malleabilisation heat treatment is performed on

a.

cast steel

b.

grey cast iron

c.

white cast iron

d.

spheroidal graphite cast iron

Discuss
Answer: (c).white cast iron
Q686.
For hardening high alloy steel, it is to be heated slowly and uniformly to avoid

a.

local hardening

b.

scale formation

c.

segregation

d.

warpage

Discuss
Answer: (d).warpage
Q687.
Disposable patterns are made of

a.

metal

b.

polystyrene

c.

rubber

d.

wood

Discuss
Answer: (b).polystyrene
Q688.
Grinding wheel made of silicon carbide is most suitable for grinding materials of low tensile strength (e.g; tough bronze). Grinding is a __________ operation.

a.

turning

b.

dressing

c.

forming

d.

surface finishing

Discuss
Answer: (d).surface finishing
Q689.
Which of the following is the most effective inhibitor of grain growth, when added in small quantity in steel ?

a.

Manganese

b.

Vanadium

c.

Cobalt

d.

Copper

Discuss
Answer: (b).Vanadium
Q690.
A controller action in which there is a con-tinous relation between the values of controlled variable and the rate of change of conrolled output signal is called the __________ action.

a.

proportional

b.

integral

c.

derivative

d.

none of these

Discuss
Answer: (b).integral
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