11. |
For a 2-wire ac single phase distribution system operating at ‘30’ MW and ‘315’ kV, operating at the power factor of 0.8 having 15Ω of resistance of each wire, then the copper loss at the substation in kW is
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Answer:
Option (c) |
12. |
For a 2-wire ac single phase distribution system operating at ‘30’ MW and ‘315’ kV, operating at the power factor of 0.8 having 15Ω of resistance of each wire, then the power received at the consumer end in MW is
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Answer:
Option (c) |
13. |
For an AC three-phase four wire system, having a voltage of 415V, with load of 120 kW and resistance of 0.05Ω at power factor of 0.75. The incurred copper losses of the system is
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Answer:
Option (a) |
14. |
Distributors fed at both ends has an advantage of
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Answer:
Option (d) |
15. |
Ring main distribution system is preferred to a radial system due to
1. Voltage drop is more 2. Supply is reliable 3. Power factor is higher
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Answer:
Option (c) |
16. |
Distribution feeding system of ring main system has
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Answer:
Option (a) |
17. |
A substation records a dip in the voltage received by 15%. To overcome this issue, the booster employed at the substation is
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Answer:
Option (a) |
18. |
A substation records a dip in the voltage received by 15%. To overcome this issue, the booster employed at the substation which should have a
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Answer:
Option (a) |
19. |
The cost of material used in a distribution circuit per kVA of the distributed power varies as
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Answer:
Option (b) |
20. |
Permissible limit of voltage variations allowed in the distribution systems is
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Answer:
Option (c) |