Multiple Choice
Dielectric strength of SF6 is
A) less than that of air at atmospheric pressure
B) less than that of oil used in OCB
C) more than that of oil used in OCB
D) More at lower pressure and low at higher pressures.
Correct Answer:

Verified
Correct Answer:
Verified
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Q15: the most efficient torque producing actuating structure
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Q17: The over-voltage surges in power systems may
Q18: Which of the following circuit breaker will
Q20: Which component ensures the safety of the
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