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Electrician
Electrician Set-2
Control Panel Wiring
12

Control Panel Wiring MCQ with Answers

12) Which type of device protects motors from over heating and over loading in a panel board?

Rectifier

Limit switch

Thermal relay

Electro mechanical relay

Answer is:

Thermal relay

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Related Control Panel Wiring MCQ with Answers

13) What is the use of G? channels in control panel?

For fixing relays

For fixing contactors

For fixing instruments

For fixing terminal connectors

Answer is:

For fixing terminal connectors

14) What is the function of limit switch in control panel wiring?

Controls machine from over heat

Controls machine from over speed

Controls machine from over loading

Controls distance movement of any machine

Answer is:

Controls distance movement of any machine

15) Which is the standard duty cycle code of the contactor for starting and stopping the AC resistive and inductive load?

AC₁

AC₂

AC₃

AC₄

Answer is:

AC₂

16) Which is the correct sequence operation of contactors for operating automatic star delta starter?

Main-Star-Delta-Timer

Star- Main-Timer-Delta

Main-Timer-Delta-Star

Star-Timer-Main-Delta

Answer is:

Star- Main-Timer-Delta

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