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Mechanical Engineering
1000 Power Plant
Quiz 2
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Q.1
Why deaerator is not used in water-cooled and moderated nuclear power plant?
a) not mechanically possible
b) not safe
c) not economical
d) radioactivity
Q.2
The gas turbine power plant mainly uses which among the following fuels?
a) Kerosene oil and diesel oil and residual oil
b) Natural gas and liquid petroleum fuel
c) Coal and Peat
d) Gas oil
Q.3
Reflector in nuclear power plants __________ neutron leakage.
a) decreases
b) has no effect
c) increases
d) all of the mentioned
Q.4
What is the head of water available at turbine inlet in hydro-electric power plant called?
a) gross head
b) net head
c) tail race
d) head race
Q.5
What is the purpose of using open heaters in steam power plants?
a) feedwater deaeration
b) feedwater carbonisation
c) feedwater esterification
d) feedwater purification
Q.6
Which of these is not auxiliary equipment in a power plant?
a) Conveyors
b) Galvanisers
c) Fans
d) Crushers
Q.7
Which of the following is generally used as a moderator in nuclear power plants?
a) graphite
b) heavy water
c) concrete
d) graphite & concrete
Q.8
Common size unit of a Steam Power Plant is?
a) 500 MW(e)
b) 150 MW(e)
c) 300 MW(e)
d) 30 MW(e)
Q.9
A moderator, in nuclear power plants, is a medium introduced into the fuel mass in order to __________
a) control the reaction
b) reduce the temperatur
c) extract heat from nuclear reaction
d) slow down the speed of fast moving neutrons
Q.10
What % is the investment cost in Conventional steam power plant more than those in the combined cycle plants?
a) 40
b) 30
c) 60
d) 20
Q.11
The overall steam turbine generator arrangement of a power plant is designated as which of the following compound on the basis of shaft orientation?
a) tandem & cross
b) cross
c) tandem
d) none of the mentioned
Q.12
Air pollution in an MHD-steam power plant is caused due to the formation of which of the following compounds?
a) carbonates and bicarbonates
b) oxides and carbonates
c) chlorides and hydroxides
d) oxides and hydroxides
Q.13
Air-Preheater in a steam power plant _____________
a) Raises the temperature of the furnace gases
b) Recovers the heat from the flue gases leaving the economiser
c) Improves combustion rate
d) All of the mentioned
Q.14
In which of the following power plants spray ponds are used to cool the warm water coming from the condenser?
a) Small power plants
b) Medium power plants
c) Both medium and large power plants
d) Large power plants
Q.15
Which of the following kind of a process does a ‘Steam Power Plant’ undergoes?
a) Cyclic
b) Irreversible
c) Expansion
d) Adiabatic
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