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 9 of 35

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Q81.
Pick out the wrong statement

a.

Proportional controller is normally used for level control in industrial applications.

b.

CSTR can be considered as a distributed parameter system.

c.

Distributed parameter approach gives partial differential equation.

d.

Non-linear behaviour is exemplified by an on-off controller.

Discuss
Answer: (b).CSTR can be considered as a distributed parameter system.
Q82.
Range of hydrogen gas constant volume themometer is __________ °C.

a.

-10 to 20

b.

0 to 100

c.

100 - 500

d.

400 - 1000

Discuss
Answer: (b).0 to 100
Q83.
The initial value (t=0) of the unit step response of the transfer function [(s + 1)/(2s + 1)] is

a.

0

b.

1/2

c.

1

d.

2

Discuss
Answer: (b).1/2
Q84.
The __________ of a vapor pressure thermometer is a primary element.

a.

pointer

b.

Bourdon tube

c.

bulb

d.

none of these

Discuss
Answer: (c).bulb
Q85.
The time constant of a first order process with resistance R and capacitance C is

a.

R + C

b.

R - C

c.

RC

d.

1/RC

Discuss
Answer: (c).RC
Q86.
A non-linear chemical system is exemplified by a/an

a.

isothermal CSTR

b.

mixer

c.

non-isothermal CSTR

d.

none of these

Discuss
Answer: (c).non-isothermal CSTR
Q87.
The frequency response of a first order system, has a phase shift with lower and upper bounds given by

a.

- โˆž, ฯ€/2

b.

-ฯ€/2, ฯ€/2

c.

-ฯ€/2, 0

d.

0, ฯ€/2

Discuss
Answer: (d).0, ฯ€/2
Q88.
Gas chromatography is used for the measurement of

a.

temperature

b.

pressure

c.

concentration

d.

flow rate

Discuss
Answer: (c).concentration
Q89.
Which of the following thermocouples can measure the maximum temperature ?

a.

Platinum-rhodium

b.

Tungsten-molybdenum

c.

Chromel-alumel

d.

Iron-constantan

Discuss
Answer: (b).Tungsten-molybdenum
Q90.
A sinusoidal variation in the input passing through a linear first order system

a.

becomes more oscillatory (frequency increases).

b.

becomes less oscillatory (frequency decreases).

c.

gets amplified (magnitude increases).

d.

gets attenuated (magnitude decreases).

Discuss
Answer: (d).gets attenuated (magnitude decreases).
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