MEASUREMENT AND INSTRUMENTATION QUIZ

An induction meter can handle current upto

60 A

10 A

100 A

30 A

TRUE ANSWER : ?
YOUR ANSWER : ?

The effect of load resistance is important in measurement of

resistance of ammeter.

both A and B.

resistance of shunt winding.

resistance of shunt.

TRUE ANSWER : ?
YOUR ANSWER : ?

A multirange instrument has

Multirange meters inside the measurement system

Multicoil arrangement

Variable turns of coil

Multiple shunt or series resistance inside the meter

TRUE ANSWER : ?
YOUR ANSWER : ?

The thermocouple instrument will measure

Voltage

None of these

Flux

Current

TRUE ANSWER : ?
YOUR ANSWER : ?

The problem of Electrostatic coupling in a transformer is acute at

High frequencies

Low frequencies

Power frequencies

High load on the transformer

TRUE ANSWER : ?
YOUR ANSWER : ?

In two wattmeter method of power measurement if the total power is measured by one wattmeter only then power factor of the system is

0.

1.

0.5.

none of above.

TRUE ANSWER : ?
YOUR ANSWER : ?

Assertion (A) : Precision is a necessary prerequisiteof accuracy. Reason (R) : Precision guarantees accuracy.

Both A and R are true but R is NOT the correct explanation of A

A is true but R is false

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

A is false bur R is true

TRUE ANSWER : ?
YOUR ANSWER : ?

The absolute measurement of resistance is done by

Lorenz method

Ohm’s law method

Rayleigh method

Bridge Method

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following meter is most suitable for measuring radio frequency currents?

Thermocouple meter.

VTVM.

Moving - coil meter.

Moving - iron meter.

TRUE ANSWER : ?
YOUR ANSWER : ?

An electric pyrometer is an instrument used to measure

Frequency

None of the listed here

Phase

High temperatures

TRUE ANSWER : ?
YOUR ANSWER : ?