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 11 of 51

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Discuss
Answer: (d).When the two wattmeter read equal and opposite, p.f. is zero.
Q102.
In a thermocouple temperature transducer, the output voltage is usually measured by
Discuss
Answer: (c).high resistance milli-voltmeter
Q103.
A moving iron instrument gives correct reading when used at
Discuss
Answer: (c).only one frequency
Q104.
Which of these instrument does not have a control spring?
Discuss
Answer: (d).Power factor meter
Q105.
In Weston frequency meter, the magnetic axes of the two fixed coils are
Discuss
Answer: (b).perpendicular
Discuss
Answer: (b).The inductance in a circuit reduces the effect of harmonics and makes current wave more sinusoidal than voltage wave
Q107.
A single phase energy meter operates on induction principle.
Discuss
Answer: (a).True
Q108.
The accuracy of measurement using CRO is about
Discuss
Answer: (d).± 3%
Q109.
Induction wattmeter can be used in
Discuss
Answer: (a).ac circuit only
Q110.
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