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 13 of 51

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Q121.
The household energy meter is

a.

indicating instrument

b.

recording instrument

c.

integrating instrument

d.

none of the above

Discuss
Answer: (c).integrating instrument
Q122.
A standard cell of 1.0185 V is used with a slide wire potentiometer. The balance was obtained at 60 cm. When an unknown emf was connected, the balance was obtained at 82 cm. The magnitude of unknown emf is

a.

1.39 V

b.

0.75 V

c.

13.9 V

d.

7.45 V

Discuss
Answer: (a).1.39 V
Q123.
A dynamometer wattmeter is connected in ac circuit. The measured power is

a.

rms power

b.

average power

c.

peak power

d.

instantaneous power

Discuss
Answer: (b).average power
Q124.
Loss of charge method is suitable for medium resistances.

a.

True

b.

False

c.

May be True or False

d.

can't say

Discuss
Answer: (b).False
Q125.
The multiplier resistance and meter coil in a voltmeter are in

a.

series

b.

parallel

c.

series-parallel

d.

either (a) or (b)

Discuss
Answer: (a).series
Q126.
The adjustment of position of shading bands, in an energy meter, is done to provide

a.

friction compensation

b.

creep compensation

c.

braking torque

d.

none of the above

Discuss
Answer: (a).friction compensation
Q127.
Assertion (A): CRO can be used to study waveshape accurately.

Reason (R): Input impedance of a CRO is very high.

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: (a).Both A and R are true and R is correct explanation of A
Q128.
LVDT is used to measure

a.

displacement

b.

pressure

c.

temperature

d.

any of the above

Discuss
Answer: (a).displacement
Q129.
The scale of PMMC instrument is linear.

a.

True

b.

False

c.

May be True or False

d.

can't say

Discuss
Answer: (a).True
Q130.
Assertion (A): Thermistors are commonly used to measure hot spot temperatures in electric machines.

Reason (R): Thermistor has the advantages of high temperature coefficient, small size and high speed of response.

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: (a).Both A and R are true and R is correct explanation of A
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