Process Control and Instrumentation MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Process Control and Instrumentation, 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 Process Control and Instrumentation 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 Process Control and Instrumentation mcq questions that explore various aspects of Process Control and Instrumentation problems. Each MCQ is crafted to challenge your understanding of Process Control and Instrumentation 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 Process Control and Instrumentation 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 Process Control and Instrumentation. 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 Process Control and Instrumentation knowledge to the test? Let's get started with our carefully curated MCQs!

Process Control and Instrumentation MCQs | Page 30 of 35

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Q291.
With increase in temperature, the electrical conductivity of the platinum used in the resistance thermometer

a.

increases

b.

decreases

c.

remains constant

d.

increases exponentially

Discuss
Answer: (b).decreases
Q292.
The Laplace transform of exp(at), where a > 0, is defined only for the Laplace parameter, s > a since

a.

the function is exponential.

b.

the Laplace transform of integral of exp(at) has finite values only for s > a.

c.

the Laplace transform integral of exp(at) has initial values only for s > a.

d.

the function exp(at) is piece-wise continuous only for s > a.

Discuss
Answer: (b).the Laplace transform of integral of exp(at) has finite values only for s > a.
Q293.
Meleoid gauge measures the __________ pressure.

a.

positive

b.

sub-atmospheric

c.

very high

d.

atmospheric

Discuss
Answer: (b).sub-atmospheric
Q294.
Which of the following thermocouples is capable of measuring a temperature of -50°C?

a.

Platinum - platinum + rhodium

b.

Chromel - alumel

c.

Iron-constantan

d.

Copper - constantan

Discuss
Answer: (a).Platinum - platinum + rhodium
Q295.
Platinum resistance thermometer can be used upto antimony point which is __________ °C, and is the temperature of equilibrium between solid antimony & liquid antimony at normal atmospheric pressure.

a.

961.93

b.

630.74

c.

1064.43

d.

1261.93

Discuss
Answer: (b).630.74
Q296.
Temperature of __________ can not be measured by an optical or radiation pyrometer.

a.

hot blast (air) from stoves

b.

molten slag flowing out of blast furnace

c.

combustion space in boilers

d.

rotary limestone calcination kiln

Discuss
Answer: (a).hot blast (air) from stoves
Q297.
Gain margin is equal to the

a.

amplitude ratio

b.

reciprocal of amplitude ratio

c.

gain in P controller

d.

gain in P-I controller

Discuss
Answer: (b).reciprocal of amplitude ratio
Q298.
A system with transfer function 2S/4S + 1 is of __________ order.

a.

zero

b.

1st

c.

2nd

d.

3rd

Discuss
Answer: (b).1st
Q299.
In Bode plot, ฮฆ vs ฯ‰ is plotted on a/an __________ graph paper.

a.

log-log

b.

ordinary

c.

semi-log

d.

triangular

Discuss
Answer: (a).log-log
Q300.
Reference points i.e., ice point and steam point in Reaumer temperature scale are respectively

a.

- 273° & 80°

b.

0° & 80°

c.

32° & 460°

d.

32° & 80°

Discuss
Answer: (b).0° & 80°
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