Question 1

Used to control water pumps by detecting the water level

Accepted Answer

Float switch

Answer

Two way switch

Answer

Limit switch

Answer

Water pump

Question 2

The figure shows ……………...

Accepted Answer

Contactor

Answer

Fuse

Answer

Overload

Answer

Limit switch

Question 3

The figure shows ……………...

Accepted Answer

Auxiliary  contacts

Answer

Overload

Answer

Limit switch

Answer

Contactor

Question 4

The name of the protection device shown in Figure is………………

Accepted Answer

Fuse

Answer

ELCB

Answer

Contactor

Answer

RCD

Question 5

The part number  ( 1 ) in figure is ………………..

Accepted Answer

Moved contact

Answer

Frame

Answer

Fixed contact

Answer

Coil

Question 6

The figure shows ……………...

Accepted Answer

Main switch board

Answer

None of the above

Answer

MCB distribution board

Answer

Sub main switch board

Question 7

The figure shows ……………...

Accepted Answer

Miniature Circuit breaker ( MCB )

Answer

R.C.D

Answer

Overload

Answer

Fuse

Question 8

The part number  ( 2 ) in figure is ………………..

Accepted Answer

Fixed contact

Answer

Iron core

Answer

Coil

Answer

Armature

Question 9

The part number  ( 4 ) in figure is ………………..

Accepted Answer

Spring

Answer

Coil

Answer

Moved contact

Answer

Iron core

Question 10

The figure shows ……………...

Accepted Answer

Float switch

Answer

Water pump

Answer

Two way switch

Answer

Limit switch

Question 11

The part number  ( 3 ) in figure is ………………..

Accepted Answer

Armature

Answer

Moved contact

Answer

Coil

Answer

Spring

Question 12

The figure shows ……………...

Accepted Answer

Isolator

Answer

Main switch

Answer

Overload

Answer

Limit switch

Question 13

What is the name of part number ( 3 ) in figure at the right side?

Accepted Answer

KWH meter

Answer

D.B

Answer

Fuse

Answer

3-phase cut out

Question 14

What is the name of part number ( 2 ) in figure at the right side?

Accepted Answer

3-phase cut out

Answer

Line bus bar for lighting

Answer

Neutral bus bar for lighting

Answer

Earth bus bar

Question 15

The auxiliary contact N/C means ………………………..

Accepted Answer

Normal close

Answer

Normal contacts

Answer

Normal connection

Answer

Normal case

Question 16

What is the name of part number ( 12 ) in figure at the right side?

Accepted Answer

Earth bus bar

Answer

Neutral bus bar for lighting

Answer

Line bus bar for lighting

Answer

Neutral bus bar for power

Question 17

The auxiliary contact N/O means ………………………..

Accepted Answer

Normal open

Answer

Normal on

Answer

Normal overload

Answer

Normal operation

Question 18

What is the name of part number ( 7 ) in figure at the right side?

Accepted Answer

(RCCB) ELCB for lighting

Answer

Overload

Answer

Main switch

Answer

Earth bus bar

Question 19

The name of  control circuit is

Accepted Answer

Direct on line starter ( DOL )

Answer

Star / Delta starter

Answer

Rotor resistance starter

Answer

Autotransformer starter

Question 20

The name of this control is

Accepted Answer

Star Delta Starter (SDS)

Answer

Reverse direction

Answer

Direct on line starter (DOL)

Answer

Water pump

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