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 27 of 35

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Q261.
In a feed-back control system G and H denote open loop and close loop transfer functions respectively. The output-input relationship is

a.

G / (1+H)

b.

H / (1+G)

c.

G/H

d.

H/G

Discuss
Answer: (b).H / (1+G)
Q262.
Flow rate measurement of hostile acids and alkalis can be most suitably done by a/an

a.

venturimeter

b.

orificemeter

c.

magnetic flow meter

d.

hot wire anemometer

Discuss
Answer: (c).magnetic flow meter
Q263.
Compositional analysis of flue gas coming out of a furnace in respect of Oβ‚‚ and COβ‚‚ % can be continuously done by a/an

a.

orsat apparatus

b.

thermal conductivity cell

c.

zirconia probe

d.

chromatograph

Discuss
Answer: (b).thermal conductivity cell
Q264.
Thermisters which have a very high temperature co-efficient of resistivity belong to the class of solid called

a.

dielectrics

b.

insulators

c.

semi conductors

d.

conductors

Discuss
Answer: (c).semi conductors
Q265.
The pressure sensing element of elastic type pressure gauge is never made in the form of a

a.

bellow

b.

diaphragm

c.

strip

d.

Bourdon tube

Discuss
Answer: (c).strip
Q266.
What is the Laplace transform of impulse input having magnitude 'X' ?

a.

X

b.

X²

c.

1/X

d.

1

Discuss
Answer: (d).1
Q267.
Thermocouple is suitable for measuring

a.

liquid temperatures only.

b.

very high temperatures only.

c.

very low temperatures only.

d.

both high and low temperatures.

Discuss
Answer: (d).both high and low temperatures.
Q268.
Bimetal strips are not used in

a.

bimetallic thermometers.

b.

thermocouples.

c.

thermostats.

d.

relays for opening & closing of electrical circuits.

Discuss
Answer: (b).thermocouples.
Q269.
When the damping co-efficient (ΞΎ) is unity, the system is

a.

Overdamped.

b.

Critically damped.

c.

Underdamped.

d.

Highly fluctuating.

Discuss
Answer: (b).Critically damped.
Q270.
Nickel percentage in invar which is an iron-nickel alloy, and is used as a thermocouple material is

a.

12

b.

36

c.

54

d.

68

Discuss
Answer: (b).36
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