Multiple Choice
Which of the following is the least expensive protection for overcurrent is low voltage system ?
A) Rewireable fuse
B) Isolator
C) Oil circuit breaker
D) Air break circuit breaker
Correct Answer:
Verified
Correct Answer:
Verified
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
Q11: Ungrounded neutral transmission system is not recommended
Q12: To protect most of the electrical equipment
Q14: For the protection of power station buildings
Q15: Insulation resistance of high voltage circuit breakers
Q16: When a transmission line is energized, the
Q17: The delay fuses are used for the
Q18: Ionization in circuit breaker is facilitated by<br>A)high