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 12 of 51

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Q111.
Kelvin's double bridge is used to measure low resistances because

a.

it has high sensitivity

b.

there is no thermoelectric emf

c.

resistance variation due to temperature

d.

effect of contact and lead resistances is eliminated

Discuss
Answer: (d).effect of contact and lead resistances is eliminated
Q112.
Assertion (A): Shunt of an ammeter has a low resistance.

Reason (R): Shunt may be connected in series or in parallel with ammeter.

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: (c).A is true R is false
Q113.
The scale of hot wire instrument is linear.

a.

True

b.

False

c.

May be True or False

d.

can't say

Discuss
Answer: (b).False
Q114.
The D'Arsonval- movement can be converted into audio frequency ac ammeter by adding a

a.

thermocouple

b.

transducer

c.

chopper

d.

rectifier

Discuss
Answer: (d).rectifier
Q115.
The resistance of a 125 ฮฉ strain gauge changes by 1 ohm for 4000 micro strain. The gauge factor is

a.

1.5

b.

2

c.

2.5

d.

3

Discuss
Answer: (b).2
Q116.
A meter having 0-1000 ฮผA range and 1000 ฮฉ resistance is required to be changed to 0-100 mA meter. The value of shunt resistance is about

a.

1 ฮฉ

b.

10 ฮฉ

c.

99 ฮฉ

d.

100 ฮฉ

Discuss
Answer: (b).10 ฮฉ
Q117.
An induction wattmeter can be used for

a.

dc only

b.

50 Hz ac only

c.

both ac and dc

d.

high frequency ac only

Discuss
Answer: (b).50 Hz ac only
Q118.
If the current in a capacitor leads the voltage by 80°, the loss angle of capacitor is

a.

80°

b.

10°

c.

100°

d.

170°

Discuss
Answer: (b).10°
Q119.
In an induction wattmeter, the shading bands are made of non conducting material.

a.

True

b.

False

c.

May be True or False

d.

can't say

Discuss
Answer: (b).False
Q120.
Consider the following statements

1. Thermistor is more sensitive than platinum resistance thermometer
2. The resistance of thermistor is solely a function of its absolute temperature whether the source of heat is external or internal
3. Thermistor has linear temperature-resistance relationship
4. Thermistor has linear negative temperature coefficient

Of the Statements, the correct statements are

a.

1 and 2

b.

3 and 4

c.

1, 2, 3, 4

d.

1, 2 and 4

Discuss
Answer: (d).1, 2 and 4
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