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Electrical safety quiz
Q1.full form of MCB
Mild Circuit Brain
Mould core break
Miniature Circuit breaker
none
Correct Option :3
Q2.full form of ELCB
Earth Leakage Circuit Breaker
Earth low core break
Earth Low core breaker
none
Correct Option :1
Q3.Earth Leakage Value for House hold ELCB
30mA
100mA
300mA
500mA
Correct Option :1
Q4.Color of earthing wire
Red
Blue
Green
yellow
Correct Option :3
Q5.Minimum No. of wires for earth power DB
one
two
three
four
Correct Option :2
Q6.Minimum IR Value for voltage level 500 V
1 m-ohm
100 m-ohm
1000 m-ohm
none
Correct Option :1
Q7.IF fire catches in Electrical DB, what to do
put water
Use Blanket
Switch off main
none
Correct Option :3
Q8.Rating of Power point Switch/socket
15/16A
5/6A
32A
20A
Correct Option :1
Q9.Rating of light point Switch/socket
15/16A
5/6A
32A
20A
Correct Option :2
Q10.color code for 3 phase power
R,N
R,G,B
R,Y,B
R,G,N
Correct Option :3
Q11.Power frequency in India
50 Htz
60 Htz
70 Htz
80 Htz
Correct Option :1
Q12.Feeder pillar is used for power supply
Between distribution system to consumer
Between distribution system to substation
Both
none
Correct Option :3
Q13.Reliable control supply for electrical panel
AC
DC
Non UPS AC
none
Correct Option :2
Q14.Control supply voltage is chosen
Above 440V
Below/up to 230V
Above 11000V
Above 660V
Correct Option :2
Q15.Electrical switch is used in line of
ground wire
Earthing wire
Neutral wire
Phase wire
Correct Option :4
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