The time of closing the cycle, in modern circuit breakers is
A) 0.003 sec
B) 0.001 sec
C) 0.01 sec
D) 0.10 sec
Correct Answer:
Verified
Q5: In a circuit breaker the basic problem
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
Q11: Insulation resistance of high voltage circuit breakers
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
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