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Electrical Electronics Engineering
1000 Power Systems
Quiz 2
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Q.1
Which of the following are the most widely used condensers in modern thermal power plants?
a) Low level counter flow type jet condenser
b) Parallel flow type jet condenser
c) High level counter flow type jet condenser
d) Surface condensers
Q.2
Which of the following is most suitable fuel for thermal power plant?
a) Bituminous coal
b) Lignite coal
c) Anthracite coal
d) Peat coal
Q.3
Which of the following is most advantageous and most widely method of solid fuel firing?
a) Spreader stoker firing
b) Pulverised fuel firing
c) Underfeed firing
d) Stoker firing
Q.4
Which of the following method is used in large modern thermal power plants to heat feed water?
a) Open type heatre is used
b) Surface type heater is used
c) Close type heater is used
d) Steam is directly taken from main turbine and used to heat it feed water
Q.5
Which of the following pollutant causes acid rain?
a) NO2
b) SO2
c) CO2
d) NO
Q.6
What of the below mentioned statements are incorrect as compared to the HVDC system?
a) Distance limitation
b) Back to back connection is possible
c) Extra reactive power compensation
d) More corona losses
Q.7
When the ozone gas is produced as a by product of corona, that causes _______
a) increase of power factor
b) corrosion of wires
c) improvement of regulation
d) reduction of power factor
Q.8
Which component of gas turbine power plant is main cause of its low efficiency?
a) Compressor
b) Starting motor
c) Gas turbine
d) Combustion chamber
Q.9
Which of the following power plants can be profitably employed for supplying base loads as well as peak loads?
a) Diesel power plant
b) Hydroelectric power plant
c) Thermal power plant
d) Nuclear power plant
Q.10
Which of the following is an essential requirement for a peak load plant?
a) Economical and speedy repair
b) Capability of working continuously
c) Low operating cost
d) Capability of quick start
Q.11
Which of the following pollutants emitted by thermal power plant causes irritation in Eyes?
a) Oxides of sulphur
b) Oxides of Nitrogen
c) Oxides of Mercury
d) Oxides of carbon
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