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 50 of 51

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Q491.
A data signal having frequency components from dc to 50 Hz is to be sent through pulse code modulation using an 8 digit code. The minimum carrier channel bandwidth is
Discuss
Answer: (c).4 kHz
Q492.
The material used in RTD is
Discuss
Answer: (d).platinum
Discuss
Answer: (a).comparing two votage
Q494.
It is required to measure the true open circuit emf of a battery. The best device is
Discuss
Answer: (c).dc potentiometer
Q495.
If two time varying signals of equal magnitudes and 90° phase displacement are applied to X and Y plates of CRO, the display will be
Discuss
Answer: (b).a circle
Q496.
Measurement of non-electrical quantity involves the following subsystems

1. Amplifier block
2. Display block
3. Instrumentation block
4. Transducer block

The correct sequence of these blocks is
Discuss
Answer: (a).4, 1, 3, 2
Q497.
An oscilloscope has an input impedance consisting of 1 Mฮฉ and 20 pF is parallel. A high impedance probe connected to input of this oscilloscope has a 10 Mฮฉ series resistance. This 10 Mฮฉ series resistance
Discuss
Answer: (b).should be shunted by 2 pF capacitor
Q498.
Which of the following is used as detector in audio frequency ac bridges?
Discuss
Answer: (c).Head phones
Q499.
Assertion (A): The gall tinsley potentiometer is a coordinate potentiometer and has two exactly similar potentiometers.

Reason (R): An ac potentiometer may measure the unknown voltage in polar form or rectangular coordinate form.
Discuss
Answer: (b).Both A and R are true but R is not correct explanation of A
Q500.
If Eb is the potential of accelerating anode, the energy of electrons as they emerge from electron gun is proportional to

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (b).B