Power System - I (3140914) MCQs

MCQs of Conventional Generation, Load Curves and Tariffs

Showing 151 to 160 out of 425 Questions
13 14 15 16 17 18
151.
The coal of the lowest calorific value is
(a) Anthracite
(b) Bituminous coal
(c) Lignite
(d) Steam coal
Answer:

Option (c)

152.
The coal having highest calorific value is
(a) Anthracite
(b) Bituminous
(c) Lignite
(d) Peat
Answer:

Option (a)

153.
Coal used in thermal power plants is also known as
(a) Soft coal
(b) Steam coal
(c) Char coal
(d) Coke
Answer:

Option (b)

154.
Coking cokes
(a) Do not form ash
(b) Burn completely
(c) Form lumps or masses of coke
(d) Burn freely
Answer:

Option (c)

155.
Which of the following is considered to be superior quality of coal?
(a) Bituminous
(b) Coke
(c) Lignite
(d) Peat
Answer:

Option (a)

156.
Low grade coals have
(a) Low carbon content
(b) Low calorific value
(c) Low moisture content
(d) Low ash content
Answer:

Option (b)

157.
Coal is usually considered of
(a) Lava origin
(b) Animal origin
(c) Vegetable origin
(d) None of above
Answer:

Option (c)

158.
Which of the following is not hard coal ?
(a) Lignite
(b) Bituminous
(c) Anthracite
(d) None of above
Answer:

Option (a)

159.
Coal rank classifies coal as per its
(a) Specific gravity
(b) Degree of metamorphism
(c) Carbon percentage
(d) Ash content
Answer:

Option (b)

160.
The average ash content in Indian coals is around
(a) 5%
(b) 10%
(c) 20%
(d) 30%
Answer:

Option (c)

Showing 151 to 160 out of 425 Questions
13 14 15 16 17 18