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 13 of 35

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Q121.
Use of I-control along with P-control facilitates

a.

elimination of offset

b.

reduction of offset

c.

reduction of stability time

d.

none of these

Discuss
Answer: (a).elimination of offset
Q122.
Turbine flow meters are suitable for

a.

very limited flow ranges.

b.

cryogenic flow measurements.

c.

aerospace and in air borne applications.

d.

both (b) and (c).

Discuss
Answer: (d).both (b) and (c).
Q123.
Liquid discharge from a tank or reservoir can not be measured by

a.

orificemeters

b.

weirs

c.

mouthpieces

d.

notches

Discuss
Answer: (a).orificemeters
Q124.
Pirani gauge is used for the measurement of

a.

very high pressure.

b.

high vacuum.

c.

liquid level under pressure.

d.

liquid level at atmospheric pressure

Discuss
Answer: (b).high vacuum.
Q125.
The __________ of the fluid contained in the temperature sensing element (i.e., bulb) of filled system thermometers changes with change in temperature.

a.

pressure

b.

volume

c.

viscosity

d.

all (a), (b) and (c)

Discuss
Answer: (d).all (a), (b) and (c)
Q126.
The characteristic equation for the control system with a closed loop transfer function G₁/1 + G₂ is given by 1 + G₂ = 0. The characteristic equation for the control system

a.

depends only upon the open loop transfer function.

b.

determines its stability.

c.

is the same for set point or load changes.

d.

all 'a', 'b' & 'c'

Discuss
Answer: (d).all 'a', 'b' & 'c'
Q127.
__________ thermometer can not measure sub-zero (< 0° C) temperature,

a.

Mercury in glass

b.

Bimetallic

c.

Vapor pressure

d.

Resistance

Discuss
Answer: (b).Bimetallic
Q128.
The response of two tanks of same size and resistance in series is

a.

under damped

b.

critically damped

c.

over damped

d.

none of the above

Discuss
Answer: (b).critically damped
Q129.
The amplitude ratio for the sinusoidal response of __________ is < 1.

a.

transportation lag

b.

first order system

c.

second order system

d.

none of these

Discuss
Answer: (b).first order system
Q130.
Which of the following is a 'contact' pyrometer ?

a.

resistance pyrometer

b.

optical pyrometer

c.

radiation pyrometer

d.

infra red pyrometer

Discuss
Answer: (a).resistance pyrometer
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