The image shown is for ………..

 

• Drill press machine

• Power threader

• Grinder machine

• Lath machine

Where to place the Lockout, if you want to de-energize electrical equipment?

• in the fuses box

• in the isolation handle

• in the panel’s door

• around the equipment

Where to place the Lockout, if you want to de-energize electrical equipment?

 

• in the panel’s door

• around the equipment

• in the fuses box

• open electrical Circuit breaker

Identify the symbol shown?

• N.C. PB.

• N.O. PB

• SPST Switch

• SPDT Switch

Refer to the circuit shown below; I identify the part marked with letter A?

• Overload (OL)

• Interlock

• Holding contact

• ON/OFF Pushbutton

Refer to the name plate shown; what is the exc. voltage?  

• 13800 v

• 250 v

• 44444 KVA

• 178.5

The total resistance in a parallel circuit will always be ……………….. than the lowest resistance in that circuit.

• lower

• bigger

• equals the lowest resistance

• half of the lowest resistance

Function of Synchronous motor is to …………..

• increase and decrease the speed

• control the stator current

• improve the power factor

• frequent start & stop the motor