Power System - I (3140914) MCQs

MCQs of Conventional Generation, Load Curves and Tariffs

Showing 421 to 425 out of 425 Questions
421.
The maximum demand of a consumer is 2 kW and his daily energy consumption is 20 units. Load factor is
(a) 10%
(b) 41.60%
(c) 50%
(d) None of above
Answer:

Option (b)

422.
The most appropriate operating speeds in rpm of generators used in Thermal, Nuclear and Hydro power plants would respectively be
(a) 3000, 300 and 1500
(b) 3000, 3000 and 300
(c) 1500, 1500 and 3000
(d) 1000, 900 and 750
Answer:

Option (b)

423.
The flow duration curve at a given head of a hydro electric plant is used to determine the
(a) Total power available at the site
(b) Total units of energy available
(c) Load factor at the plant
(d) Diversity factor for the plant
Answer:

Option (a)

424.
In a power station, the cost of generation of power reduces most effectively when
(a) Diversity factor alone increases
(b) Both diversity factor and load factor increase
(c) Load factor alone increases
(d) Both diversity factor and load factor decrease
Answer:

Option (b)

425.
A power plant has a maximum demand of 15 MW. The load factor is 50% and the plant factor is 40%. The operating reserve is
(a) 3.0 MW
(b) 3.75 MW
(c) 6.0 MW
(d) 7.5 MW
Answer:

Option (b)

Showing 421 to 425 out of 425 Questions