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 44 of 51

Q431.
Which of the following effects is used in measurement of magnetic flux?
Discuss
Answer: (a).Hall effect
Q432.
It is required to measure pressure using LVDT. The additional device needed is
Discuss
Answer: (c).bourden tube
Q433.
Which of the following quantities have same dimension in emu and esu?

1. Current
2. Electrical power
3. Electrical energy

Select the answer as per following codes
Discuss
Answer: (c).2 and 3
Q434.
In a dynamometer instrument, the moving coil is pressure coil.
Discuss
Answer: (a).True
Discuss
Answer: (d).strain gauge
Q436.
Assertion (A): A dc potentiometer measures the true open circuit emf of a source.

Reason (R): At balance point, a dc potentiometer does not draw any current from the source.
Discuss
Answer: (a).Both A and R are true and R is correct explanation of A
Discuss
Answer: (a).horizontally
Discuss
Answer: (a).closeness of indicated value to the actual value
Q439.
If σ standard deviation, probable error
Discuss
Answer: (c).± 0.6745 σ
Q440.
Assertion (A): In two wattmeter method of 3 phase power measurement, one of the wattmeters would read negative if power factor of load is less than 0.5.

Reason (R): In two wattmeter method of 3 phase power measurement, both the wattmeters would show equal readings if power factor of load is unity.
Discuss
Answer: (b).Both A and R are true but R is not correct explanation of A