A. Overhead system
B. Underground system
C. Both A. and (b)
D. None of the above
Related Mcqs:
- Transmitted power remaining the same, if supply voltage of a D.C. 2-wire feeder is increased 100 percent, saving in copper is____________________?
A. 25 percent
B. 50 percent
C. 75 percent
D. 100 percent - 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 - When a live conductor of public electric supply breaks down and touches the earth which of the following will happen?
A. Current will flow to earth
B. Supply voltage will drop
C. Supply voltage will increase
D. No current will flow in the conductor
E. None of the above - Which of the following distribution systems is more reliable?
A. Radial system
B. Tree system
C. Ring main system
D. All are equally reliable - The loads on distributors systems are generally__________________?
A. balanced
B. unbalanced
C. either of the above
D. none of the above - For transmission of power over a distance of 200 km, the transmission voltage should be_________kv?
A. 132 kV
B. 66 kV
C. 33 kV
D. 11 kV - For transmission of power over a distance of 500 km, the transmission voltage should be in the range?
A. 150 to 220 kV
B. 100 to 120 kV
C. 60 to 100 kV
D. 20 to 50 kV - The power factor of industrial loads is generally______________?
A. unity
B. lagging
C. leading
D. zero - A feeder, in a transmission system, feeds power to________________?
A. distributors
B. generating stations
C. service mains
D. all of the above - Which of the following materials is used for overhead transmission lines ?
A. Steel cored aluminium
B. Galvanised steel
C. Cadmium copper
D. Any of the above
