Electrical Measurement and Measuring Instruments (3160915) MCQs

MCQs of Concepts of measurement

Showing 1 to 10 out of 27 Questions
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1.

Which of the following quantities consists of S.I. unit as Hertz?

(a)

Charge
(b)

Force
(c)

Frequency
(d)

Power
Answer:

Option (c)

2.

What is the standard unit for length ?

(a)

Meter
(b)

Inch
(c)

Kilometer
(d)

Centimeter
Answer:

Option (a)

3.

What is the name of physical quantities which are independent of each other?

(a)

Fundamental quantity
(b)

Derived quantity
(c)

Numerical quantity
(d)

None of the above
Answer:

Option (a)

4.

Which devices used to measure the temperature of an object ?

(a)

Poteintiometer
(b)

Odometer
(c)

Thermometers
(d)

Galvanometer
Answer:

Option (c)

5.

Resistance of a VARISTOR varies with

(a)

Current
(b)

Voltage
(c)

Temperature
(d)

Both Voltage and Temperature
Answer:

Option (b)

6.

A 0 - 250V voltmeter has a guaranteed accuracy of 2% of full scale reading. What is the percentage of error if it measures 150V?

(a)

2%
(b)

3.33%
(c)

5%
(d)

1%
Answer:

Option (b)

7.

Relative error is same as

(a)

ratio of absolute error and true value.
(b)

absolute error.
(c)

true error.
(d)

none of the above.
Answer:

Option (a)

8.

The use of __________________ instruments is merely confined within laboratories as standardizing instrument.

(a)

indicating.
(b)

absolute.
(c)

recording.
(d)

integrating.
Answer:

Option (b)

9.

Systematic errors are

(a)

environmental errors.
(b)

observational errors.
(c)

instrument errors.
(d)

all of the above.
Answer:

Option (d)

10.

 The smallest change in measured variable to which instrument will respond is

(a)

resolution.
(b)

accuracy.
(c)

precision.
(d)

sensitivity.
Answer:

Option (a)

Showing 1 to 10 out of 27 Questions
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