The power transmitted will be maximum when____________? - PakMcqs

Related Mcqs:

1. A circuit is disconnected by isolators when____________?

   A. line is energized B. there is no current in the line C. line is on full load D. circuit breaker is not open...

2. 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...

3. 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...

4. 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...

5. 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...

6. 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...

7. The power factor of industrial loads is generally______________?

   A. unity B. lagging C. leading D. zero...

8. A feeder, in a transmission system, feeds power to________________?

   A. distributors B. generating stations C. service mains D. all of the above...

9. The current drawn by the line due to corona losses is___________?

   A. non-sinusoidal B. sinusoidal C. triangular D. square...

10. The voltage of the single phase supply to residential consumers is_____________?

    A. 110 V B. 210 V C. 230 V D. 400 V...