Industrial Electrical Engg Lab

The recommended check and change period for the lubricant of diesel generator is

• 24 hrs

• 3000 hrs

• 4,000 hours

• 365 days

Before starting to do maintenance work on the Diesel engine, you must do the following

• Remove the AC supply connection of the charger device

• Remove the battery connection from the battery pole

• Place a warning around the connections you have removed

• All of the above

The radiator must be fully filled with

• oil

• chemical

• coolant

• none of above

.......................................................... are connected in each phase to measure the current in each phase

• voltmeter

• ammeter

• current transformer with ammeter

• none of above

The automatic change over switch is operated with the help of

• sensors

• manual operation

• transformers

• circuit breaker

Saddle bend in electrical installation is used for

• 90 degree bend

• straight joint

• offset joint

• raise the run of conduit above a small obstacle or conduit

Which device is used to bend PVC conduit

• hammer

• pliers

• crimping tool

• bending spring

A crimp connection is a ..........................................

• soldered connection

• solderless connection

• welded connection

• none of above

The electrical connector used for crimping is called

• crimping plug

• crimping block

• crimping socket

• none of above

The main function of cable gland is

• it act as a conductor

• it act as conduit

• it acts as a sealing and terminating device to ensure protection

• none of above