CIRCUIT BREAKERS AND RELAYS - Practice Mode

Incorrect setting of relay Excessive heat Insufficient air pressure Line voltage is too high

What's wrong with this question?

Correct Answer: Incorrect setting of relay

Incorrect setting of relay

Excessive heat

Insufficient air pressure

Line voltage is too high

Line voltage is too high Excessive load Poor dielectric strength Defective tripping mechanism

What's wrong with this question?

Correct Answer: Poor dielectric strength

Line voltage is too high

Excessive load

Poor dielectric strength

Defective tripping mechanism

Components failure Insulation failure Human error Fuse failure

What's wrong with this question?

Correct Answer: Insulation failure

Components failure

Insulation failure

Human error

Fuse failure