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Wireman
SUBSTATION AND EQUIPMENT
Set 3
Set 3
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Q14184
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Which type of transformer, the current transformer comes under?
A
Idel transformer
B
Step down transformer
C
Step up transformer
D
Instrument transformer
Q14185
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What is the secondary voltage of PT?
A
440 V
B
11000 V
C
660 V
D
110 V
Q14186
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What current the secondary of a CT is designed?
A
2 Amp
B
3 Amp
C
4 Amp
D
5 Amp
Q14187
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What action is required before disconnecting the ammeter connected with CT?
A
Remove the earth of CT
B
short the secondary of CT
C
Opened the secondary side of CT
D
Switch OFF total supply
Q14188
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Which is the use of lighting arrester in HT line?
A
Protect the transformers from surge
B
For short circuit protection
C
For open circuit protection
D
For leakage protection
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