Economics of Power Generation MCQs

51. A load consumes 600 kWh per day at a load factor of 0.45. What will be the maximum demand in kW?

1. 40 kW
2. 60 kW
3. 55.55 kW
4. 50 kW

52. In an electrical installation, the maximum demand is given by its

1. instantaneous maximum demand
2. greatest average power demand
3. average maximum demand over a definite interval of time during a certain period
4. average power demand during an interval of one minute

53. Domestic consumer load is around

1. 5 kW
2. 40 kW
3. 80 kW
4. 120 kW

54. If the sum of individual maximum demands is 2.694 kW and the maximum demand at any time is 0.9 kW. What is the diversity factor in power system?

1. 2.99
2. 5
3. 10
4. 15

55. A generated station has a maximum demand of 30 MW, a load factor of 60% and a plant capacity factor of 50%. The reserve capacity of the plant is

1. 5 MW
2. 4 MW
3. 6 MW
4. 10 MW

56. A power station has a maximum demand of 15000kW. The annual load factor is 50% and plant capacity factor is 40%. What is the reserve capacity of the plant?

1. 1875 kW
2. 3750 kW
3. 6000 kW
4. 7500 kW

57. A power station’s plant load factor is defined as the ratio of

1. the energy generated to that of maximum energy that could have been generated
2. average load to peak load
3. minimum load to peak load
4. minimum load to average load

58. In a load duration curve for an integrated power system, the uppermost crest represents the energy contributed by which one of the following?

1. Base power stations
2. Major thermal stations
3. Peaking hydro or gas turbine stations
4. Non-conventional power stations

59. The daily energy produced in a thermal power station is 720 MWh at a load factor of 0.6. What is the maximum demand of the station?

1. 30 MW
2. 50 MW
3. 720 MW
4. 72 MW

60. The maximum demand of a consumer is 2 kW and the corresponding daily energy Consumption is 30 units. What is the corresponding load factor?

1. 25%
2. 50%
3. 75%
4. 62.5%