Measurements and Instrumentation MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Measurements and Instrumentation, a fundamental topic in the field of Electronics and Communication Engineering. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Measurements 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 Measurements and Instrumentation mcq questions that explore various aspects of Measurements and Instrumentation problems. Each MCQ is crafted to challenge your understanding of Measurements and Instrumentation principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Electronics and Communication Engineering tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Measurements and Instrumentation MCQs are your pathway to success in mastering this essential Electronics and Communication Engineering topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Measurements 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 Measurements and Instrumentation knowledge to the test? Let's get started with our carefully curated MCQs!

Measurements and Instrumentation MCQs | Page 40 of 51

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Q391.
For measurement of surface temperature of solids the elements of RTD is usually in the shape of

a.

bar

b.

coil

c.

flat grid

d.

either (a) or (b)

Discuss
Answer: (c).flat grid
Q392.
As per BIS, the number of accuracy classes of instrument is

a.

5

b.

6

c.

7

d.

8

Discuss
Answer: (d).8
Q393.
Which of the following is used as detector in audio frequency ac bridges?

a.

AC voltmeter

b.

CRO

c.

Head phones

d.

Vibration galvanometer

Discuss
Answer: (c).Head phones
Q394.
Assertion (A): The gall tinsley potentiometer is a coordinate potentiometer and has two exactly similar potentiometers.

Reason (R): An ac potentiometer may measure the unknown voltage in polar form or rectangular coordinate form.

a.

Both A and R are true and R is correct explanation of A

b.

Both A and R are true but R is not correct explanation of A

c.

A is true R is false

d.

A is false R is true

Discuss
Answer: (b).Both A and R are true but R is not correct explanation of A
Q395.
In most of instruments, the controlling torque is provided by

a.

fluid fraction

b.

spring

c.

eddy current

d.

either (a) or (c)

Discuss
Answer: (c).eddy current
Q396.
A 0-200 V voltmeter has a sensitivity of 1 kฮฉ per volt. The resistance of voltmeter is

a.

1 kฮฉ

b.

200 kฮฉ

c.

100 kฮฉ

d.

50 kฮฉ

Discuss
Answer: (b).200 kฮฉ
Q397.
DC ampere hour meter is an indicating instrument.

a.

True

b.

False

c.

May be True or False

d.

can't say

Discuss
Answer: (b).False
Q398.
The accuracy of measurement by ohmmeter is very good.

a.

True

b.

False

c.

May be True or False

d.

can't say

Discuss
Answer: (b).False
Q399.
The resistance in the circuit of the moving coil of a dynamometer wattmeter should be

a.

very low

b.

low

c.

high

d.

almost zero

Discuss
Answer: (c).high
Q400.
A temperature sensistive transducer is subjected to sudden temperature change. It takes 10 seconds for transducer to reach equilibrium condition (five times time constant). The time taken to reach half of temperature difference will be

a.

1.38 s

b.

5 s

c.

8.62 s

d.

0.9 s

Discuss
Answer: (a).1.38 s
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