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

Q71.
A dynamometer wattmeter is connected in ac circuit. The reading will be
Discuss
Answer: (b).average power
Q72.
The speed transducer using a drag cup rotor has the main advantage of
Discuss
Answer: (b).low energy requirement
Q73.
A voltmeter using thermocouples measures
Discuss
Answer: (a).rms value
Q74.
Which of the following measurements using a dc potentiometer do not require standardisation of potentiometer?
Discuss
Answer: (b).Measurement of resistance
Discuss
Answer: (d).When the two wattmeter read equal and opposite, p.f. is zero.
Q76.
In a thermocouple temperature transducer, the output voltage is usually measured by
Discuss
Answer: (c).high resistance milli-voltmeter
Q77.
A moving iron instrument gives correct reading when used at
Discuss
Answer: (c).only one frequency
Discuss
Answer: (a).ac circuit only
Q79.
A meter has a square law scale. For 2 A current the deflection in 90°. For a deflection of 45°, the current is
Discuss
Answer: (c).1.414 A
Q80.
Consider the following Statements regarding resistance strain gauge

1. The gauge factor is in the range of 2 to 5.
2. The resistance changes due to change in specific resistance with strain.
3. The resistance increases with increase in temperature.

Of the above statements, which are correct?
Discuss
Answer: (d).1 and 3