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

Related Mcqs:

1. The distributors for residential areas are______________?

   A. single phase
   B. three-phase three wire
   C. three-phase four wire
   D. none of the above

2. 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

3. 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

4. The operating voltage of high voltage cables is up to_______________?

   A. l.lkV
   B. 3.3kV
   C. 6.6kV
   D. llkV

5. 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

6. The material generally used for armour of high voltage cables is_____________?

   A. aluminium
   B. steel
   C. brass
   D. copper

7. Large industrial consumers are supplied electrical energy at__________________?

   A. 400 V
   B. 11 kV
   C. 66 kV
   D. 400 kV

8. Constant voltage transmission entails the following disadvantage?

   A. large conductor area is required for same power transmission
   B. short-circuit current of the system is increased
   C. either of the above
   D. none of the above

9. 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

10. Which of the following is the demerit of a ‘constant voltage transmission system’ ?

    A. Increase of short-circuit current of the system
    B. Availability of steady voltage at all loads at the line terminals
    C. Possibility of better protection for the line due to possible use of higher terminal reactants
    D. Improvement of power factor at times of moderate and heavy loads
    E. Possibility of carrying increased power for a given conductor size in case of long-distance heavy power transmission