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 87 of 136

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Q861.
Which of the following pair is correctly matched?

a.

Heat transfer: Thermal diffusivity.

b.

Mass transfer: Diffusion co-efficient.

c.

Momentum transfer: Kinematic viscosity.

d.

all 'a', 'b' & 'c' are correctly matched.

Discuss
Answer: (d).all 'a', 'b' & 'c' are correctly matched.
Q862.
Rate of chemical reaction is not much affected, if the reactants are in __________ form.

a.

solids

b.

liquids

c.

either (a) or (b)

d.

gaseous

Discuss
Answer: (c).either (a) or (b)
Q863.
Materials used for making permanent magnets containing iron and nickel are made by __________ technique.

a.

powder metallurgy

b.

casting

c.

forging

d.

none of these

Discuss
Answer: (c).forging
Q864.
Lubrication is done to control

a.

friction

b.

wear

c.

temperature

d.

all (a), (b) & (c)

Discuss
Answer: (d).all (a), (b) & (c)
Q865.
In 18-4-1 high speed steel, 18, 4 & 1 respectively denote the percentage of

a.

chromium, tungsten & vanadium.

b.

tungsten, chromium & vanadium.

c.

tungsten, vanadium & chromium.

d.

tungsten, chromium & molybdenum.

Discuss
Answer: (b).tungsten, chromium & vanadium.
Q866.
Role of a "collector" in froth floatation is to

a.

form a water repelling film on the mineral surface.

b.

create and stabilise the froth.

c.

act as a surface.

d.

collect the minerals according to their specific gravity.

Discuss
Answer: (a).form a water repelling film on the mineral surface.
Q867.
For the running of power generating turbines, the steam used should be

a.

wet

b.

superheated

c.

at ordinary pressure

d.

none of these

Discuss
Answer: (b).superheated
Q868.
Creep consideration is the most important in case of the

a.

blades of gas turbines.

b.

steam engine flywheel.

c.

cast iron pipes.

d.

cycle chains.

Discuss
Answer: (a).blades of gas turbines.
Q869.
The diffusion co-efficient of Ni in Cu at 1000 K is 1.93 x 10⁻¹⁶ m² . S⁻¹ and it is 1.94 x 10⁻¹⁴ m² S⁻¹ at 1200 K. The activation energy (in k. J.mole⁻¹ ) for the diffusion of Ni in Cu is

a.

130

b.

180

c.

230

d.

250

Discuss
Answer: (c).230
Q870.
The magnitude of water hammer caused in pipe flow is independent of the

a.

pipe length.

b.

fluid flow stoppage rate.

c.

fluid temperature.

d.

time of valve closure.

Discuss
Answer: (c).fluid temperature.
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