1. . Vibration is also known as ___________.
(A) Oscillation
(B) Velocity
(C) Acceleration
(D) All of these
2. . Machines are always trying to tell us how they feel, but they speak their own language. The language of machine is ___________.
(A) Force
(B) Vibration
(C) Level
(D) Location
3. . The back-and-forth movement of machines or machine components is ___________.
(A) Stiffness
(B) Movement
(C) Vibration
(D) Rotation
4. . The instruments which are used to measure the ___________ of a vibrating body are called vibration measuring instruments.
(A) Displacement
(B) Velocity
(C) Acceleration
(D) All of these
5. . Which of the following systems produce a vibration in the foundation?
(A) Coupled machine
(B) Unbalanced machine
(C) Uncoupled machine
(D) Balanced machine
6. . Which of the following is not the cause of machine vibration?
(A) Resonance
(B) Resistance
(C) Looseness
(D) Repeating force
7. . What does the accelerometer measure?
(A) Mass
(B) Velocity
(C) Acceleration
(D) Distance
8. . Which of the following devices can be used for measurement of frequency?
(A) Voltmeter
(B) Ammeter
(C) Stroboscope
(D) None of these
9. . From the following, which one is a type of vibration measuring instrument?
(A) Mechanical
(B) Electrical
(C) Magnetic
(D) All these
10. . The vibration in a vehicle is normally expressed in the terms of the ____________.
(A) Displacement
(B) Velocity
(C) Acceleration
(D) Time
11. . From the following, which one is also known as low frequency transducer?
(A) Stroboscope
(B) Vibrometer
(C) Accelerometer
(D) Tachometer
12. . Which instrument is used to record building vibrations or vibrations of huge structures like railway bridges?
(A) Stroboscope
(B) Vibrometer
(C) Accelerometer
(D) Tachometer
13. . In vibrometer, the relative motion between the mass and vibrating body is converted into proportional ________.
(A) Current
(B) Voltage
(C) Resistance
(D) Ampere
14. . A seismometer is a device used to measure the ___________ of a vibrating body.
(A) Displacement
(B) Velocity
(C) Acceleration
(D) Time