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 30 of 51

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Q291.
Acoustic strain gauges

a.

have good linearity of measurement

b.

do not have long term stability

c.

have a large range of measurement

d.

have an accuracy range of 0.1-1% depending on environment

Discuss
Answer: (d).have an accuracy range of 0.1-1% depending on environment
Q292.
Which of these instruments is dynamometers type?

a.

Wattmeter

b.

Power factor meter

c.

Frequency meter

d.

Both (a) and (b)

Discuss
Answer: (d).Both (a) and (b)
Q293.
The instrument used to check insulation of household wiring is

a.

megger

b.

ohmmeter

c.

multimeter

d.

high resistance voltmeter

Discuss
Answer: (a).megger
Q294.
Watthour meter is an integrating instrument

a.

True

b.

False

c.

May be True or False

d.

can't say

Discuss
Answer: (a).True
Q295.
An ammeter is

a.

secondary instrument

b.

absolute instrument

c.

recording instrument

d.

integrating instrument

Discuss
Answer: (a).secondary instrument
Q296.
It is required to measure temperature in the range of 1300-1520°C. The most suitable thermocouple is

a.

chromel constantan

b.

iron constantan

c.

chromel aluminium

d.

platinum-rhodium

Discuss
Answer: (d).platinum-rhodium
Q297.
Assertion (A): When frequencies of signals fed to X and Y plates of CRO are multiples of each other, Lissajous pattern is displayed on screen.

Reason (R): In a CRO, the vertical deflection is proportional to voltage applied to Y plates.

a.

Both A and R are true and R is correct explanation of A

b.

Both A and R are true but R is not correct explanation of A

c.

A is true R is false

d.

A is false R is true

Discuss
Answer: (b).Both A and R are true but R is not correct explanation of A
Q298.
In portable instruments, damping is provided by

a.

spring

b.

gravity

c.

eddy current

d.

either (a) or (c)

Discuss
Answer: (a).spring
Q299.
The sensitivity of electromagnetic digital flow meter can be increased by increasing

a.

circumferential width of rotor teeth

b.

radial depth of rotor teeth

c.

thickness of rotor teeth

d.

number of teeth

Discuss
Answer: (d).number of teeth
Q300.
The increase in intensity of trace in a CRO causes a change in

a.

beam current

b.

frequency of time base

c.

gain of Y amplifier

d.

accelerating voltage

Discuss
Answer: (a).beam current
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