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 40 of 51

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Q391.
Consider the following statements about mutual inductances:

1. The value should remain constant under all conditions.
2. The mutual inductance should not vary with temperature.
3. The inductance should be independent of excitation.
4. They have two coils wound on a bobbin of hard magnetic material, coils being separated by a range.

Out of the above, correct statement are
Discuss
Answer: (b).1, 2, 3
Q392.
For measuring current at a high frequency we should use
Discuss
Answer: (c).thermocouple instrument
Q393.
A moving iron instrument can be used for dc as well as ac.
Discuss
Answer: (a).True
Discuss
Answer: (d).total active power, power factor, apparent power, and reactive power
Q395.
The multiplier resistance and meter coil in a voltmeter are in
Discuss
Answer: (a).series
Q396.
The adjustment of position of shading bands, in an energy meter, is done to provide
Discuss
Answer: (a).friction compensation
Q397.
Assertion (A): CRO can be used to study waveshape accurately.

Reason (R): Input impedance of a CRO is very high.
Discuss
Answer: (a).Both A and R are true and R is correct explanation of A
Q398.
LVDT is used to measure
Discuss
Answer: (a).displacement
Q399.
The scale of PMMC instrument is linear.
Discuss
Answer: (a).True
Q400.
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.
Discuss
Answer: (a).Both A and R are true and R is correct explanation of A