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 8 of 51

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Q71.
A moving coil instrument has a resistance of 0.5 ฮฉ and a full scale deflection of 0.1 A. To convert it into an ammeter of 0-10 A the shunt resistance should be
Discuss
Answer: (b).0.005 ฮฉ
Q72.
Potentiometer method of dc voltage measurement is more accurate than direct measurement using a voltmeter because
Discuss
Answer: (c).it does not load the circuit at all
Q73.
Assertion (A): A hot wire ammeter has a cramped scale.

Reason (R): The heat is proportional to square of current.
Discuss
Answer: (a).Both A and R are true and R is correct explanation of A
Discuss
Answer: (a).It is a unidirectional voltage
Q75.
Which of the following are needed both for protection and metering?
Discuss
Answer: (b).Instrument transformers
Q76.
A digital frequency counter can be converted to DVM by addition of a suitable
Discuss
Answer: (b).D/A converter
Q77.
A dynamometer wattmeter is connected in ac circuit. The reading will be
Discuss
Answer: (b).average power
Q78.
The speed transducer using a drag cup rotor has the main advantage of
Discuss
Answer: (b).low energy requirement
Q79.
A voltmeter using thermocouples measures
Discuss
Answer: (a).rms value
Q80.
Which of the following measurements using a dc potentiometer do not require standardisation of potentiometer?
Discuss
Answer: (b).Measurement of resistance