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SUBSTATION AND EQUIPMENT
Set 5
Set 5
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Q14194
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Which is a part of oil circuit breaker?
A
Insulating vessel
B
Arc shield
C
Arc splitters
D
Moving Contact
Q14195
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What is the main purpose of oil in oil circuit breaker?
A
Provide insulation
B
Quenching arc
C
Providing cooling for contacts
D
Act as lubrication
Q14196
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What is the full name of SF6 circuit breaker?
A
Soda flouride circuit breaker
B
Sulphur hexaflouride circuit breaker
C
Sodium flouride circuit breaker
D
Sodium bicarbonate circuit breaker
Q14197
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What is the medium of arc quenching in an oil circuit breaker ?
A
Oil
B
Water
C
Nitrogen
D
Air
Q14198
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Why aluminium is used as busbar material?
A
Low density
B
Low cost
C
Easy to fabrication
D
Low resistance
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