Assessment on Vibration Measurement

Rotating equipment will vibrate when certain procedures are not followed. Which one of the following will cause vibration?

• Hot rotor

• Balanced rotor

• Unbalanced shaft

• Lubricated bearings

All of the equipment listed below rotate. Select the one that does not need regular balancing.

• Centrifugal pump.

• Gas Turbine

• Ceiling fan

• Electric Motor

Which critical part of a centrifugal pump gets damaged first when the impeller is worn out unevenly?

• Bearing

• Impeller

• Discharge pipe

• Bearing seal.

What is name of the simple instrument used to measure temperature?

• Thermostat

• Dial Indicator

• Thermometer

• Pressure gauge

Which of the rotating equipment below will not need periodic vibration testing?

• Centrifugal pump.

• Gas Turbine

• Ceiling fan

• Electric Motor

What are the two unit to measure temperature?

• Celsius & Fahrenheit

• Celsius & centimetre

• Fahrenheit & degree

• Degree & centimetre

The measurement unit for vibration are?

• Ampere

• Hertz

• Volt

• Ohm

Piezoelectric sensors are used in what type of vibration device?

• Tachometer generator

• Magnetic Proximity

• Accelerometer

• Optical

What are the two typical directions for setting probes for measuring vibration?

• Speed and velocity

• Axial and vertical

• Up and down

• In and out

_________ is an electromechanical device, which converts a mechanical quantity into electrical quantity.

• Resistor

• Transistor

• Transducer

• Transformer