Insulation resistance of high voltage circuit breakers is more than
A) 1 mega ohms
B) 10 mega ohms
C) 100 mega ohms
D) 500 mega ohms
Correct Answer:
Verified
Q6: Overheating of relay contacts or contact born
Q7: Interruption of large currents by relay requires
A)arc
Q8: Shunt capacitance is neglected while considering
A)short transmission
Q9: The arc voltage produced in A.C. circuit
Q10: The time of closing the cycle, in
Q12: H.R.C. fuses provide best protection against
A)overload
B)reverse current
C)open-circuits
D)short-circuits
Q13: The ground wire should not be smaller
Q14: The delay fuses are used for the
Q15: Which of the following is the least
Q16: Resistance grounding is used for voltage between
A)33kVto66kV
B)HkVto33kV
C)3.3kVandllkV
D)none
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