Measuring Instruments Mcqs Page 2

Measuring Instruments Mcqs

21- A decibel meter is used to measure:

A. Frequency

B. Sound intensity

C. Light intensity

D. Voltage

View Answer

Answer : B. Sound intensity

Description

22- A photometer is used to measure:

A. Sound intensity

B. Water pressure

C. Electrical resistance

D. Light intensity

View Answer

Answer : D. Light intensity

Description

23- The frequency of sound is measured using a __________ ?

A. Oscilloscope

B. Stethoscope

C. Barometer

D. Hygrometer

View Answer

Answer : A. Oscilloscope

Description

24- Which unit is used to measure sound intensity ?

A. Kelvin

B. Decibel

C. Joule

D. Hertz

View Answer

Answer : B. Decibel

Description

25- The device used to measure the speed of light is called ?

A. Speedometer

B. Photometer

C. Fizeau’s apparatus

D. Tachometer

View Answer

Answer : C. Fizeau’s apparatus ( also known as Fizeau’s wheel )

Description

26- Which instrument is used to measure earthquakes ?

A. Seismograph

B. Barometer

C. Pyrometer

D. Anemometer

View Answer

Answer : A. Seismograph

Description

27- A tachometer is used to measure:

A. Rotational speed of an engine

B. Vehicle speed

C. Electric current

D. Blood pressure

View Answer

Answer : A. Rotational speed of an engine

Description

28- A galvanometer is used to measure ?

A. Voltage

B. Resistance

C. Power

D. Current

View Answer

Answer : D. Current

Description

29- A voltmeter is used to measure:

A. Voltage

B. Resistance

C. Power

D. Current

View Answer

Answer : A. Voltage

Description

30- An anemometer is used to measure:

A. Temperature

B. Humidity

C. Pressure

D. Wind speed

View Answer

Answer : D. Wind speed

Description

31- Which instrument is used to measure electrical resistance ?

A. Ammeter

B. Ohmmeter

C. Voltmeter

D. Wattmeter

View Answer

Answer : B. Ohmmeter

Description

32- The instrument used to measure electric power in a circuit is called ?

A. Wattmeter

B. Voltmeter

C. Ammeter

D. Galvanometer

View Answer

Answer : A. Wattmeter

Description

33- A device used to measure the strength of a magnetic field is called a ?

A. Hydrometer

B. Magnetometer

C. Seismometer

D. Pyrometer

View Answer

Answer : B. Magnetometer

Description

34- A multimeter is a device used to measure ?

A. Voltage

B. Current

C. Resistance

D. All of these

View Answer

Answer : D. All of these

Description

35- Which instrument is used to measure the frequency of an electrical signal ?

A. Ammeter

B. Frequency meter

C. Oscilloscope

D. Tachometer

View Answer

Answer : C. Oscilloscope

Description

36- A chronometer is used to measure:

A. Time

B. Speed

C. Pressure

D. Temperature

View Answer

Answer : A. Time

Description

37- Which device is used to measure the rotational speed of a shaft or disk ?

A. Tachometer

B. Speedometer

C. Odometer

D. Barometer

View Answer

Answer : A. Tachometer

Description

38- The pendulum clock works on the principle of ?

A. Electromagnetism

B. Simple harmonic motion

C. Optics

D. Thermodynamics

View Answer

Answer : B. Simple harmonic motion

Description

39- Which instrument is used to measure acceleration ?

A. Speedometer

B. Accelerometer

C. Anemometer

D. Seismometer

View Answer

Answer : B. Accelerometer

Description

40- A stroboscope is used to measure ?

A. Temperature

B. Distance

C. Frequency of rotating objects

D. Pressure

View Answer

Answer : C. Frequency of rotating objects

Description