The yearly load duration curve of a power plant is a straight line. The maximum load is 750 MW and the minimum load is 600 MW. The capacity of the plant is 900 MW. What is the capacity factor and utilization factor

1. 0.56, 0.80

2. 0.75, 0.83

3. 0.78,0.9

4. 0.75, 0.83

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Correct Answer :

0.75, 0.83

Explanation :
No Explanation available for this question

What is the utilization factor of a power station which supplies the following loads Load A: Motor load of 200 KW between 10 AM to 7 PM Load B: Lighting load of 100 KW between 7 PM to 11 PM Load C: Pumping load of 110 KW between 3 PM to 10 AM

1. 1.60

2. 1.32

3. 1.00

4. 2.56

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Correct Answer :

1.32

Explanation :
No Explanation available for this question

A Power station supplies the peak load of 50 MW, 40 MW and 70 MW to three localities. The annual load factor is 0.50 p.u and the diversity factor of the load at the station is 1.55. The maximum demand on the station and average load respectively will be

1. 120MW, 60.8

2. 90MW,50.6

3. 103.2 MW, 51.62

4. 100 MW,0.51

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Correct Answer :

103.2 MW, 51.62

Explanation :
No Explanation available for this question

A generating station has a maximum demand of 50 MW, a load factor of 60%, a plant capacity factor of 45% and if the plant while running as per schedule were fully loaded. The daily energy produced will be

1. 400MW

2. 720MW

3. 500MW

4. 600MW

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Correct Answer :

720MW

Explanation :
No Explanation available for this question

A generating station has a maximum demand of 20MW, load factor of 60%, a plant capacity factor of 50% and a plant use factor of 72%. What is the reserve capacity of the plant, if the plant, while running as per schedule, were fully loaded

1. 10MW

2. 15MW

3. 2MW

4. 5 MW

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Correct Answer :

5 MW

Explanation :
No Explanation available for this question

A generating station has a maximum demand of 20MW, load factor of 60%, a plant capacity factor of 50% and a plant use factor of 72%.The maximum energy that could be produced daily is

1. 500MWH/day

2. 360MWH/day

3. 600 MWH/day

4. 720MWH/day

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Correct Answer :

500MWH/day

Explanation :
No Explanation available for this question

In a DC transmission line

1. It is necessary for the sending end and receiving end to be operated in synchronism

2. The effects of inductive and capacitive reactances are greater than in an AC transmission line of the same rating.

3. There are no effects due to inductive and capacitive reactances

4. Power transfer capability is limited by stability considerations

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Correct Answer :

There are no effects due to inductive and capacitive reactances

Explanation :
No Explanation available for this question

The impedance of a circuit is given by z=3+j4. Its conductance will be

1. 1/3

2. 3/5

3. 3/25

4. 4/5

View Answer

Correct Answer :

3/25

Explanation :
No Explanation available for this question

A 100 km transmission line is designed for a nominal voltage of 132KV and consists of one conductor per phase. The line reactance is 0.726 ohm/km. The static transmission capacity of the line, in MW would be

1. 132

2. 240

3. 416

4. 720

View Answer

Correct Answer :

416

Explanation :
No Explanation available for this question

The per unit impedance of a circuit element is 0.15. If the base KV and base MVA are halved, then the new value of the per unit impedance of the circuit element will be

1. 0.075

2. 0.15

3. 0.30

4. 0.600

View Answer

Correct Answer :

0.30

Explanation :
No Explanation available for this question

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