A. 25 percent
B. 50 percent
C. 75 percent
D. 100 percent
Related Mcqs:
- As compared to a 2-wire D.C. distributor, a 3-wire distributor with same maximum voltage to earth uses only__________________?
A. 31.25 percent of copper
B. 33.3 percent of copper
C. 66.7 percent of copper
D. 125 percent of copper - Which of the following equipment, for regulating the voltage in distribution feeder, will be most economical?
A. Static condenser
B. Synchronous condenser
C. Tap changing transformer
D. Booster transformer - A feeder, in a transmission system, feeds power to________________?
A. distributors
B. generating stations
C. service mains
D. all of the above - By which of the following systems electric power may be transmitted ?
A. Overhead system
B. Underground system
C. Both A. and (b)
D. None of the above - The power transmitted will be maximum when____________?
A. corona losses are minimum
B. reactance is high
C. sending end voltage is more
D. receiving end voltage is more - The voltage drop, for constant voltage transmission is compensated by installing__________?
A. inductors
B. capacitors
C. synchronous motors
D. all of above
E. none of the above - The voltage regulation in magnetic amplifier type voltage regulator is effected by__________?
A. electromagnetic induction
B. varying the resistance
C. varying the reactance
D. variable transformer - The operating voltage of high voltage cables is up to_______________?
A. l.lkV
B. 3.3kV
C. 6.6kV
D. llkV - The frequency of voltage generated, in case of generators, can be increased by___________?
A. using reactors
B. increasing the load
C. adjusting the governor
D. reducing the terminal voltage
E. none of the above - The voltage of the single phase supply to residential consumers is_____________?
A. 110 V
B. 210 V
C. 230 V
D. 400 V
