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 17 of 35

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Q161.
Alphatron measures pressure __________ microns.

a.

< 1

b.

< 3

c.

> 3

d.

< 0.1

Discuss
Answer: (c).> 3
Q162.
What is the ratio of output amplitude to input amplitude for a sinusoidal forcing function in a first order system ?

a.

1

b.

>1

c.

< 1

d.

none of these

Discuss
Answer: (c).< 1
Q163.
Which of the following controllers has maximum offset ?

a.

P-controller

b.

P-I controller

c.

P-D controller

d.

P-I-D controller

Discuss
Answer: (a).P-controller
Q164.
Pressure of 0.01 psi (absolute) can be measured by __________ gauge.

a.

ionisation

b.

Pirani

c.

Mcloid

d.

none of these

Discuss
Answer: (c).Mcloid
Q165.
High temperature of around 2000°C of incandescent gas mantles is measured by a/an

a.

specially designed thermocouple.

b.

optical pyrometer.

c.

radiation pyrometer.

d.

none of these.

Discuss
Answer: (c).radiation pyrometer.
Q166.
The unit step response of the transfer function 1/(s² + 2s + 3)

a.

has a non-zero slope at the origin.

b.

has a damped oscillatory characteristics.

c.

is overdamped

d.

is unstable

Discuss
Answer: (b).has a damped oscillatory characteristics.
Q167.
Number of poles in a system with transfer function 1 / (s²+2s²+1) is

a.

2

b.

5

c.

3

d.

1

Discuss
Answer: (c).3
Q168.
Radiation thermometer can not measure the temperature

a.

inside a pressure vessel.

b.

of an object without coming in contact with it.

c.

of liquid oxygen.

d.

of moving objects at high temperature.

Discuss
Answer: (c).of liquid oxygen.
Q169.
Temperature measurement by optical pyrometer is done above __________ point, which is 1063°C.

a.

antimony

b.

gold

c.

silver

d.

nickel

Discuss
Answer: (b).gold
Q170.
Continuous flue gas analyser makes use of paramagnetic properties of some of its constituents, which move towards the strongest part of the magnetic field thus displacing diamagnetic gases. Which of the following gases is diamagnetic ?

a.

CO₂

b.

O₂

c.

NO

d.

NO₂

Discuss
Answer: (a).CO₂
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