Power System - I (3140914) MCQs

MCQs of Conventional Generation, Load Curves and Tariffs

Showing 281 to 290 out of 425 Questions
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281.
In which of the following places 70 MW gas turbine power plant being operated as base load plant?
(a) Nangal (HP)
(b) Namrup (Assam)
(c) Jharia (Bihar)
(d) Calcutta (WB)
Answer:

Option (b)

282.
The gas turbine power plants mainly use
(a) Coal and peat
(b) Kerosene oil, diesel oil, residual oil
(c) Gas oil
(d) Natural gas and liquid petroleum fuels
Answer:

Option (d)

283.
Compressor used in gas turbine is
(a) Reciprocating compressor
(b) Screw compressor
(c) Multistage axial flow compressor
(d) Either (a) or (b)
Answer:

Option (c)

284.
The blades of gas turbines are made of
(a) Stainless steel
(b) Carbon steel
(c) High alloy steel
(d) High nickel alloy
Answer:

Option (d)

285.
The pressure ratio in a gas turbine power plant is
(a) 5 to 6
(b) 9 to 12
(c) 2 to 3
(d) None of above
Answer:

Option (a)

286.
The highest temperature ever used for gas turbine power plants is about
(a) 1000° C
(b) 500° C
(c) 2000° C
(d) None of above
Answer:

Option (a)

287.
The heating value of gaseous fuels is about
(a) 300 kJ/litre
(b) 100 kJ/litre
(c) 30 kJ/litre
(d) 10 kJ/litre
Answer:

Option (c)

288.
Which of the following statements is not correct?
(a) The efficiency of modern gas turbine power plants is more than 50%
(b) One advanced feature of modern gas turbine power plants is higher firing temperature
(c) The installed capacity of gas turbine power plants in India exceeds 20% of total installed generating capacity
(d) The gas turbine power plants have the advantage of quick starting and capacity of putting to share full load in few minutes
Answer:

Option (c)

289.
Which of the following statements is correct ?
(a) In a gas turbine plant, the combustion takes place in the compressor
(b) Aeroderivative turbines use clean fuel
(c) Capital cost of a gas turbine power plant is higher than that of a steam power plant
(d) Gas turbine power plants have the drawbacks of poor reliability and large space requirements
Answer:

Option (b)

290.
The compressor has to be started
(a) Before starting of gas turbine
(b) After starting of gas turbine
(c) Simultaneously with starting of gas turbine
(d) At any time (i.e. before or after starting of gas turbine)
Answer:

Option (a)

Showing 281 to 290 out of 425 Questions
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