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Wireman
SUBSTATION AND EQUIPMENT
Set 7
Set 7
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Q14204
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How the busbar is rated?
A
Voltage
B
Current and voltage
C
Watt
D
KVA
Q14205
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Why stones are provided in sub-stations?
A
To avoid the growing of plants and for insulation
B
To support the poles
C
To support the transformers
D
To avoid slippery
Q14206
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How many types of outdoor sub-station?
A
One
B
Two
C
Three
D
Four
Q14207
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What is function of outdoor sub-station?
A
Change AC supply into DC supply
B
Change DC supply into AC supply
C
High voltage supply step down into low voltage supply
D
Low voltage is stepped up into high voltage
Q14208
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Which of those circuit breaker is sufficient for extra high tension line?
A
Air blast circuit breaker
B
SF6 circuit breaker
C
Minimum oil circuit breaker
D
Bulk oil circuit breaker
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