Question 1

The figure indicates the power supply of

Accepted Answer

Three phase

Answer

Four phase

Answer

Single phase

Answer

Two phase

Question 2

The type of connection in three phase motor terminal box indicate:

Accepted Answer

Star

Answer

Relay

Answer

Rotor

Answer

Delta

Question 3

The starting method of three phase motor in the figure is called:

Accepted Answer

Direct on line

Answer

Auto transformer

Answer

Variable resistance

Answer

Star-delta

Question 4

the 3-phase line voltage in Bahrain is:

Accepted Answer

415 V

Answer

12 V

Answer

24 V

Answer

110 V

Question 5

A device operated by magnetism to connect and disconnect motor.

Accepted Answer

Magnetic contactor

Answer

Coil

Answer

Fuse

Answer

Overload

Question 6

A temperature control used in air conditioning control circuit.

Accepted Answer

Low voltage thermostat

Answer

Ammeter

Answer

Contactor

Answer

Multi meter

Question 7

An electrical component used in three phase control circuit

Accepted Answer

Transformer

Answer

Contactor

Answer

Overload

Answer

Relay

Question 8

Connect or disconnect the power supply.

Accepted Answer

Isolator switch

Answer

Relay

Answer

Contactor

Answer

Thermostat

Question 9

The rotor type of the three phase motor shown in the figure is called:

Accepted Answer

Squirrel cage

Answer

End cap

Answer

Wound rotor

Answer

Shaft seal

Question 10

A type of three phase motor connection

Accepted Answer

Star

Answer

Relay

Answer

Delta

Answer

Rotor

Question 11

The figure shows a part of three-phase motor.

Accepted Answer

Stator

Answer

Relay

Answer

Overload

Answer

Rotor

Question 12

Removes heat from the condenser

Accepted Answer

Condenser fan

Answer

Expnsion device

Answer

Receiver

Answer

Compressor clutch

Question 13

The type of an auto air conditioner cycle in the figure is:

Accepted Answer

Receiver drier type

Answer

Accumulator type

Answer

Thermal

Answer

Orifice tube

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