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 35 of 51

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Q341.
Which of these instrument does not have a control spring?
Discuss
Answer: (d).Power factor meter
Q342.
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
Q344.
A single phase energy meter operates on induction principle.
Discuss
Answer: (a).True
Q345.
The accuracy of measurement using CRO is about
Discuss
Answer: (d).± 3%
Discuss
Answer: (c).100 times that required for AM telemetry
Q347.
Assertion (A): Absolute instruments are used in standard laboratories.

Reason (R): Absolute instruments do not require calibration.
Discuss
Answer: (b).Both A and R are true but R is not correct explanation of A
Q348.
Assertion (A): A 3 phase wattmeter consists of two wattmeters mounted in one case.

Reason (R): Power measurement in a 3 phase circuit can be conveniently done by two wattmeter method.
Discuss
Answer: (a).Both A and R are true and R is correct explanation of A
Q349.
A digital voltmeter can count from 0 to 9999. If full scale reading is 9.999 V, the resolution of full scale reading is
Discuss
Answer: (d).1 mV
Q350.
The most serious problems in ac bridge measurement is
Discuss
Answer: (d).stray fields