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 16 of 51

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Q151.
Assertion (A): In loss of charge method, it is preferable to use an electronic voltmeter.

Reason (R): The resistance of electronic voltmeter is very high.
Discuss
Answer: (a).Both A and R are true and R is correct explanation of A
Discuss
Answer: (c).there will be very high induced voltage in secondary
Q153.
The percentage limiting error in an instrument reading 8.3 V and having guaranteed accuracy of 1% of the full scale reading and range of 0-150 V is
Discuss
Answer: (c).18.1%
Q154.
Consider the following features of an instrument

I. suitable for both ac and dc
II. free from hysteresis and eddy current errors
III. No waveform and frequency errors
IV. it is essentially a voltmeter

This instrument is
Discuss
Answer: (c).electrostatic
Q155.
Which one of the following effects is used in measuring power?
Discuss
Answer: (c).Induction
Q156.
The effect of lead resistance is important in measurement of
Discuss
Answer: (d).both (a) and (c)
Q157.
A high resistance was measured by loss of charge method. The voltmeter resistance was 10¹แดผ ohms. The calculation gave the value of unknown resistance as 0.8 x 10โน ohms. The true value of resistance is
Discuss
Answer: (c).more than 0.8 x 10โน ฮฉ
Q158.
A resistance wire strain gauge has gauge factor 2. If stress is 100 mega newton/m² and Young's modulus is 200 giga newton/ m², the percentage change in gauge resistance due to stress is
Discuss
Answer: (a).0.1
Discuss
Answer: (b).insulation resistance of cable
Q160.
Assertion (A): Maxwell bridge is for measuring inductance of medium magnitude.

Reason (R): In Maxwell's bridge the unknown inductance is measured by comparing it with a capacitance.
Discuss
Answer: (c).A is true R is false