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 21 of 51

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Q201.
In measuring a resistance by voltmeter-ammeter method, the voltmeter can be connected either across supply or across the resistance. If the resistance is low, the voltmeters should be connected

a.

across the supply

b.

across the resistance

c.

either in two positions

d.

preferably across the supply

Discuss
Answer: (b).across the resistance
Q202.
Which of the following methods can be used to measure power in a single phase circuit without using wattmeter?

1. One voltmeter, one ammeter
2. Two voltmeters, two ammeter
3. Three voltmeters
4. Three ammeters

a.

1 and 2 only

b.

2 and 4 only

c.

1 and 3 only

d.

3 and 4 only

Discuss
Answer: (d).3 and 4 only
Q203.
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
Q204.
As per BIS, the number of accuracy classes of instrument is

a.

5

b.

6

c.

7

d.

8

Discuss
Answer: (d).8
Q205.
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
Q206.
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
Q207.
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
Q208.
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
Q209.
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
Q210.
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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