MES - TROUBLESHHOTING 1

Which of the following is NOT part of the troubehssoting method?

• fault finding

• verifying faults

• blame shifting

• implementing corrective actions

Which causes shorting of a circuit?

• when the load is bypassed

• when L and N touches

• when the motor is overworked

• when the load is too big for the circuit

How does the open-circuit fault occur?

• When there is an unintentional discontinuity of the current flow

• when there intentional discontuity of teh current flow

• when L and N touches

• when the breaker trips

A device to protect humans from ground fault

• GFCI

• Circuit Breaker

• overload relay

• fuse

Possible cause/s of short-circuit faults

• rat bites

• loose connection

• busted lamp

• defective switch

Symptom/s of short circuit

• burnt marks

• tripped CB

• blown fuse

• tripped OL

Cause/s of Open Circuit Fault

• L and N touches

• loose connections

• Line touches the wall

• all of the choices

Possible cause/s of Ground fault

• loose connections

• exposed conductor

• overload

• short circuit

Symptom/s of Ground fault

• electric shock in areas normally safe to touch

• abnormal circuit behavior

• flickering lights

• none of the choices

Juan turns ON the lights but the lights do not lit up. He realized that the breaker is tripped. What could be the fault?

• short circuit

• open circuit

• ground fault

• all of the choices