Multiple Choice
Ungrounded neutral transmission system is not recommended because of system
A) insulation being overstressed due to over voltages
B) insulation overstress may lead to failure and subsequent phase to phase faults
C) being inadequately protected against ground fault
D) all of the above
Correct Answer:
Verified
Correct Answer:
Verified
Q6: Resistance grounding is used for voltage between<br>A)33kVto66kV<br>B)HkVto33kV<br>C)3.3kVandllkV<br>D)none
Q7: In a circuit breaker the basic problem
Q8: H.R.C. fuses provide best protection against<br>A)overload<br>B)reverse current<br>C)open-circuits<br>D)short-circuits
Q9: Shunt capacitance is neglected while considering<br>A)short transmission
Q10: Protective relays are devices that detect abnormal
Q12: To protect most of the electrical equipment
Q13: Which of the following is the least
Q14: For the protection of power station buildings
Q15: Insulation resistance of high voltage circuit breakers
Q16: When a transmission line is energized, the