Power System - I (3140914) MCQs

MCQs of Conventional Generation, Load Curves and Tariffs

Showing 381 to 390 out of 425 Questions
36 37 38 39 40 41
381.
A system has connected load of 120 kW, peak load of 100 kW, base load of 25 kW, and average load of 48 kW. The load factor of the consumer is
(a) 40%
(b) 48%
(c) 25%
(d) 83.30%
Answer:

Option (b)

382.
The annual load duration curve of power supply system may be considered as a straight line from 40 MW to 8 MW. The load factor of the system is
(a) 20%
(b) 40%
(c) 60%
(d) 83.33%
Answer:

Option (c)

383.
An industrial consumer has a load pattern of 2000 kW, 0.8 lag for 12 hours and 1000 kW unity power factor for 12 hours. The load factor is
(a) 0.5
(b) 0.75
(c) 0.6
(d) 2
Answer:

Option (b)

384.
Diversity factor is the ratio of
(a) Sum of maximum demands of consumers maximum demand
(b) Maximum demand of consumers average demand
(c) Demand of all consumers average demand
(d) None of above
Answer:

Option (a)

385.
Diversity factor is defined as the ratio of
(a) Sum of individual maximum demands of all the consumers supplied by a power system to the maximum of the power station
(b) Maximum demand to average load
(c) Maximum demand of the power station to the sum of individual maximum demands of all the consumer supplied by the power station
(d) Installed capacity to maximum demand of the power station
Answer:

Option (a)

386.
Diversity factor in a power system is
(a) Always less than one
(b) Normally less than one
(c) Always more than one
(d) Normally more than one
Answer:

Option (c)

387.
Diversity factor × maximum demand is
(a) Average demand
(b) Sum of consumers maximum demands
(c) Installed capacity
(d) Generated power
Answer:

Option (b)

388.
Diversity factor has direct effect on
(a) Fixed cost for unit generated
(b) Operating cost for unit generated
(c) Both (a) and (b)
(d) Neither (a) or (b)
Answer:

Option (a)

389.
Knowledge of diversity factor helps in computing
(a) Plant capacity
(b) Average load
(c) Units generated
(d) Peak demand
Answer:

Option (a)

390.
Plant capacity factor is
(a) Actual energy produced / maximum possible energy that would have been produced
(b) Actual energy produced / plant capacity of hours for which the plant has been in operation
(c) Energy generated in a given period / ( maximum demand × hours of operation in given period)
(d) None of above
Answer:

Option (a)

Showing 381 to 390 out of 425 Questions
36 37 38 39 40 41