Power System - I (3140914) MCQs

MCQs of Conventional Generation, Load Curves and Tariffs

Showing 351 to 360 out of 425 Questions
33 34 35 36 37 38
351.
Which of the following equipment provides fluctuating load?
(a) Lathe machine
(b) Welding transformer
(c) Exhaust fan
(d) Electric iron
Answer:

Option (b)

352.
Power demand can be estimated approximately by
(a) Load survey method
(b) Mathematical method
(c) Statistical method
(d) All of above
Answer:

Option (c)

353.
A load curve is a plot of
(a) Load versus duration of time
(b) Load versus current
(c) Load versus time
(d) Total number of unit generated versus time
Answer:

Option (c)

354.
The chronological load curve indicates
(a) Variation in demand factor during 24 hours
(b) Variation in demand from instant to Instant during 24 hours
(c) Total energy consumed up to different time of day
(d) Total number of hours for which a particular load lasts during the day
Answer:

Option (b)

355.
The area under the load curve represents
(a) System voltage
(b) Current
(c) Energy consumed
(d) Average demand
Answer:

Option (c)

356.
The area under the load curve divided by 24 hours gives
(a) Average load
(b) Pick load
(c) Least load
(d) None of above
Answer:

Option (a)

357.
The area under daily load curve divided by 24 hours gives
(a) Average load of the day
(b) Maximum demand
(c) Connected load
(d) Demand factor
Answer:

Option (a)

358.
Which of the following statements regarding load curve is true?
(a) Area under curve gives average demand
(b) Ratio of area under the load curve to the total area of the rectangle in which it is contained give the load factor for the day
(c) The area of load curve divided by number of hours gives the load factor
(d) The area of load curve divided by number of hours gives the demand factor
Answer:

Option (b)

359.
Load curve of a power generating station has always
(a) Negative slope
(b) Zero slope
(c) Positive slope
(d) Any of (a), (b) and (c)
Answer:

Option (d)

360.
Load curve helps in deciding the
(a) Total installed capacity of the plant
(b) Size of the generating units
(c) Operating schedule of the generating units
(d) All of above
Answer:

Option (d)

Showing 351 to 360 out of 425 Questions
33 34 35 36 37 38