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 22 of 51

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Discuss
Answer: (a).repulsion type
Q212.
A moving iron instrument can be used for
Discuss
Answer: (c).both dc and ac
Q213.
Two voltmeters are each 0-300 V range. Their internal resistances are 10 kฮฉ and 20 kฮฉ They are connected is series and a voltage of 400 V is applied. Their readings respectively will be
Discuss
Answer: (b).133.3 and 266.6 V
Q214.
A 300 V voltmeter has an accuracy of ± 2% of full scale deflection. When the reading is 222 V, the actual voltage
Discuss
Answer: (c).lies between 216 and 228 V
Q215.
In a thermocouple two metal junctions between metals M1 and M2 are kept at temperature T1 and T2. The thermocouple emf is produced because
Discuss
Answer: (d).M1, M2 are dissimilar but T1, T2 are unequal
Q216.
Hay's bridge is suitable for inductances having low L/R ratio.
Discuss
Answer: (b).False
Q217.
Moving iron instrument can be used for ac only.
Discuss
Answer: (b).False
Q218.
In electronic voltmeters the measuring device is a
Discuss
Answer: (a).moving coil instrument
Q219.
An ammeter has a resistance of 50 ohms and a shunt of 0.01 ฮฉ. The deflection is ฮธ. If the shunt resistance is increased to 0.02 ฮฉ, the deflection will be.
Discuss
Answer: (b).2ฮธ
Q220.
Assertion (A): Double Kelvin's bridge is used to measure low resistances.

Reason (R): In low resistance, the contact and lead resistances are very important.
Discuss
Answer: (a).Both A and R are true and R is correct explanation of A