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 6 of 51

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Q51.
A piezoelectric force transducer has a charge sensitivity of 20 pC/N. It is connected to a charge amplifier and overall gain of transducer and amplifier is 50 mV/N. The gain of amplifier is
Discuss
Answer: (c).2.5 mV/pC
Q52.
An LVDT is used to measure displacement. The LVDT feeds a Voltmeter of 0-5 V range through a 250 gain amplifier. For a displacement 0.5 mm the output of LVDT is 2 mV. The sensitivity of instrument is
Discuss
Answer: (c).1 V/mm
Discuss
Answer: (b).a special RC connection to eliminate stray capacitance effects
Q54.
In a platinum RTD, the change in resistance for a temperature rise of 50° C is about
Discuss
Answer: (c).20%
Q55.
The gauge factor of a semiconductor strain gauge is about
Discuss
Answer: (c).100
Q56.
Which of the following instruments is used almost exclusively to measure radio frequency currents?
Discuss
Answer: (d).Thermocouple
Q57.
The coil of a DArsonval galvanometer has N turns. If flux density is B, current is I and area of coil is A, the deflecting torque is
Discuss
Answer: (b).NBIA
Q58.
Consider the following statements regarding electromagnetic flowmeter

1. AC excitation is used to avoid polarisation of fluid.
2. The meter calibration is changed as viscosity of fluid changes.
3. Stainless steel pipes can be used for measuring the flow of liquid of high conductivity.

Of the above statements
Discuss
Answer: (d).1 and 3 are correct
Discuss
Answer: (a).very low pressure
Q60.
Assertion (A): CRT is the most important component of a CRO.

Reason (R): When an electron beam strikes the screen of CRT, a spot of light is produced.
Discuss
Answer: (b).Both A and R are true but R is not correct explanation of A