Troubleshooting Quiz Questions

A worn impeller can lead to reduced discharge pressure in a centrifugal pump.

• True

• False

You observe fluctuating discharge pressure in a pump. Inspection shows no external leaks. What could be the issue?

• Air entrainment in the fluid

• Seal failure

• Motor overheating

• Worn bearing

A compressor has high discharge temperatures. What should you check first?

• Cooling system flow rate

• Suction filter condition

• Discharge valve condition

• Oil level

Blocked suction filters in a compressor can result in low suction pressure.

• True

• False

The compressor is emitting loud knocking noises, and vibration levels are high. What is the most likely cause?

• Overheating

• Rotor imbalance

• Loose bolts on the casing

• Valve failure

A steam turbine shows a drop in power output, and there are visible steam leaks near the casing. What could be the issue?

• Blade fouling

• Seal failure

• Bearing wear

• Overheating

Rotor imbalance in turbines can cause excessive vibration at specific speeds.

• True

• False

Your turbine bearings are overheating. Oil analysis shows high contamination levels. What action should you take?

• Reduce turbine speed

• Replace the oil and filter

• Increase cooling system flow

• Realign the rotor

Which of the following conditions is most likely to cause high vibrations in rotating equipment?

• Misalignment

• Overlubrication

• Cavitation

• High discharge pressure

Improper lubrication can lead to premature bearing wear in rotating equipment.

• True

• False