Power System - I (3140914) MCQs

MCQs of Conventional Generation, Load Curves and Tariffs

Showing 171 to 180 out of 425 Questions
15 16 17 18 19 20
171.
The proximate analysis of coal gives percentage by weight of
(a) Moisture and volatile matter
(b) Moisture, volatile matter, fixed carbon and ash
(c) Carbon, hydrogen, oxygen, nitrogen, sulphur and ash
(d) Carbon, hydrogen and oxygen
Answer:

Option (b)

172.
The ash content of bituminous coal is
(a) 2 to 3 %
(b) 6 to 12 %
(c) 15 to 20 %
(d) None of above
Answer:

Option (b)

173.
The most important factors to be considered in the selection of fuel for power plants include
(a) Cost of fuel
(b) Calorific value of fuel
(c) None of above
(d) Both (a) and (b)
Answer:

Option (d)

174.
Live storage of coal in power plant means
(a) A covered storage near the boiler furnace having coal sufficient to meet 24 hour demand of the power plant
(b) Coal in transit
(c) Coal ready for combustion
(d) Storage of coal sufficient to meet one week demand of the plant readily.
Answer:

Option (a)

175.
In a steam power plant, coal is carried from storage to boiler generally by means of
(a) Trolleys
(b) V-belts
(c) Buckets
(d) Manually
Answer:

Option (b)

176.
Belt conveyors can be employed for transporting coal at inclination upto
(a) 75°
(b) 60°
(c) 30°
(d) 15°
Answer:

Option (c)

177.
The maximum length of a screw conveyor is around
(a) 85 – 90 %
(b) 60 – 75 %
(c) 40 – 60 %
(d) 15 – 30 %
Answer:

Option (a)

178.
In small power plants, coal is unloaded by means of
(a) Belt conveyors
(b) Coal accelerators
(c) Lift trucks
(d) All of above
Answer:

Option (b)

179.
Load carrying capacity of a belt conveyor is around
(a) 10 – 20 tonnes per hour
(b) 20 – 40 tonnes per hour
(c) 50 - 100 tonnes per hour
(d) 100 – 160 tonnes per hour
Answer:

Option (c)

180.
Bucket elevators are employed for
(a) Carrying coal in vertical direction
(b) Carrying coal in horizontal direction
(c) Carrying coal in any direction
(d) None of above
Answer:

Option (a)

Showing 171 to 180 out of 425 Questions
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