Transformer and Generator Testing Quiz

What is the primary function of a transformer?

• To convert AC to DC

• To increase resistance

• To transfer electrical energy

• To store electrical energy

Which type of transformer increases voltage?

• Step Down Transformer

• Step Up Transformer

• Auto Transformer

• Isolation Transformer

What unit is used to rate transformers?

• Watt

• Volt

• VA

• Ohm

What should be checked for the physical condition of a transformer?

• Color of the wires

• Size of the transformer

• Dust and foreign materials

• Weight of the transformer

What does insulation resistance testing measure?

• Current flow

• Temperature of the transformer

• Integrity of insulation

• Voltage levels

What is the purpose of performance testing?

• To increase costs

• To maximize safety

• To complicate operations

• To reduce efficiency

What does oil analysis in transformer testing examine?

• Condition of insulating oil

• Winding resistance

• Electrical connections

• Physical appearance

What is a key aspect of generator testing?

• Voltage regulation

• Insulation thickness

• Color coding

• Physical weight

What does a no-load test for motors verify?

• Motor's ability to run under load

• Motor's ability to start and run without load

• Motor's insulation condition

• Motor's physical appearance

What is checked during switchboard testing?

• Grounding

• Color of wires

• Size of the switchboard

• Weight of the switchboard