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 24 of 51

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Q231.
Two resistances are : R1 = 36 ฮฉ ± 1.89 ฮฉ and R2 = 75 ฮฉ ± 3.75 ฮฉ. The sum R1 + R2 along with limiting error is
Discuss
Answer: (c).111 ฮฉ ± 5.55 ฮฉ
Q232.
An instrument of accuracy class 1 can have an error equal to
Discuss
Answer: (c).± 1% of full scale deflection
Q233.
An induction wattmeter can be used for ac only.
Discuss
Answer: (a).True
Q234.
To measure a resistance of about 8 ohms we should use
Discuss
Answer: (b).Wheatstone bridge
Q235.
For measuring temperatures below 800°C with high accuracy, the best instrument is
Discuss
Answer: (d).platinum resistance thermometer
Q236.
Panel instruments are generally mounted vertically.
Discuss
Answer: (a).True
Q237.
Assertion (A): Many instruments use eddy current damping.

Reason (R): Eddy currents set up a magnetic flux which opposes the original movement which generates them.
Discuss
Answer: (a).Both A and R are true and R is correct explanation of A
Q238.
A generated voltage is equally dependent on three resistances R1, R2, R3 and its value is V = (R1R2)/R3. If tolerance of each resistor is 0.1%, the maximum error in voltage is
Discuss
Answer: (b).± 0.3%
Q239.
Assertion (A): A thermocouple transducer is based on Seeback effect.

Reason (R): In a thermocouple transducer used for temperature measurement, the cold junction is usually kept in ice bath.
Discuss
Answer: (b).Both A and R are true but R is not correct explanation of A
Q240.
In an Anderson bridge the unknown inductance is measured in terms of
Discuss
Answer: (c).known capacitance and resistance