Unit 114: Understand fault diagnosis and rectification

Down time may affect the repair or replacement of faulty equipment. True or False?

• True

• False

Safe isolation is not required when carrying out fault diagnosis.

• True

• False

Barriers are employed in switchgear to prevent access to live parts.

• True

• False

A valuable source of information when diagnosing faults is the user.

• True

• False

GS38 test leads need to have tips shrouded to 5mm. True or False?

• True

• False

A test of insulation resistance of 0.5MΩ indicates the circuit requires does not require further investigation. True or False?

• True

• False

A result of 0.01Ω whilst conducting a continuity test indicates no high resistance joints exist.

• True

• False

An RCD is constantly tripping after being in use a short while. This nuisance tripping could be checked with an insulation resistance tester.

• True

• False

As long as the fault is found, no particular sequence of tests is required.

• True

• False

A qualified person would not need to analyse data prior to fault diagnosis.

• True

• False