Top 50+ Solved Measurement and Control of Vibration MCQ Questions Answer
Q. From the following, which one is used in an accelerometer?
a. Dielectric crystals
b. Piezoelectric crystals
c. Optic crystals
d. Diamond
Q. The accelerometers are commonly used in vibration measurement due to their ___________.
a. small size and low sensitivity
b. the large size and high sensitivity
c. the large size and low sensitivity
d. small size and high sensitivity
Q. Which instrument is used to record building vibrations or vibrations of huge structures like railway bridges?
a. Stroboscope
b. Accelerometer
c. Vibrometer
d. None of the above
Q. Vibration measuring instruments are classified on the basis of ____________.
a. contact between the vibrating system and measuring instrument
b. the requirement of power source
c. method of measurements
d. all of the above
Q. From the following, which one is also known as low-frequency Transducer?
a. Stroboscope
b. Accelerometer
c. Vibrometer
d. None of the above
Q. From the following, which one is a type of vibration measuring instrument?
a. Mechanical
b. Electrical
c. Magnetic
d. All of the above
Q. An accelerometer is an instrument used to measure the _________ of a vibrating body.
a. displacement
b. velocity
c. acceleration
d. all of the above
Q. Stroboscope is used for the measurement of _________________?
a. Rpm of a flywheel
b. Frequency of light
c. Depression of freezing point
d. Liquid level under pressure
Q. A seismometer is a device used to measure the ___________ of a vibrating body.
a. displacement
b. velocity
c. acceleration
d. all of the above
Q. The instruments which are used to measure the ___________ of a vibrating body arecalled vibration measuring instrument.
a. displacement
b. velocity
c. acceleration
d. all of the above
Q. The accelerometer is used as a transducer to measure earthquake in Richter scale. Itsdesign is based on the principle that ______.
a. its natural frequency is very low in comparison to the frequency of vibration
b. its natural frequency is very high in comparison to the frequency of vibration
c. its natural frequency is equal to the frequency of vibration
d. measurement of vibratory motion is without any reference point
Q. Which of the following instruments measure the amplitude of a vibrating body?
a. Vibrometers
b. Seismometer
c. Both (a) and (b)
d. None of these
Q. Which of the following systems produce a vibration in the foundation?
a. Coupled machine
b. Uncoupled machine
c. Balanced machine
d. Unbalanced machine
Q. Which of the following device can be used for measurement of frequency?
a. Voltmeter
b. Ammeter
c. Stroboscope
d. None of the mentioned