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WorksheetsPOWER PLANT ENGINEERING QUIZ
Total questions: 71
Worksheet time: 41mins
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Draft Tube
Cooling Pond
Cooling Tower
Convergent Nozzole
The coal which has highest ash content is:
Lignite
Coke
Bituminous
Peat
What kind of a process does a ‘Steam Power Plant’ undergoes?
Adiabatic
Cyclic
Irreversible
Expansion
Water that is fed back to the boiler by the pump is called?
Adsorbate
Absorbate
Condenset
Condensate
The product of efficiency & heat transferred to the working fluid is ?
Net temperature change
Net work done
Net enthalpy change
None of the mentioned
What are the components of a Steam Power Plant?
Evaporator, Condenser, Boiler, Expansion valve
Evaporator, Condenser, Boiler, Turbine
Boiler, Turbine, Condenser, Pump
Boiler, Turbine, Pump, Expansion valve
Which of the following type of fuel does not contain ash?
coal
fuel oil
natural gas
synthetic fuels
A steam turbine is basically an assemblage of ____________
nozzle & condenser
blades & condenser
nozzle & blades
nozzle & fans
The energy conversion occurring in a steam turbine is a ______ step process.
1
2
3
4
In a water-tube boiler, water flows through?
drum
shell
tube
none of the mentioned
Which of the following is not considered a type of coal according to ASTM?
anthracite
bituminous
peat
lignite
A good quality coal should have __________
high ash content
high sulphur
low fusion point of ash
none of the mentioned
What is thermal power?
Electricity generation using heat value of the fuel.
Electricity generation using wave energy of the water.
Electricity generation using wind.
None of these
Why coal is used in T.P.P?
Inexpensive
High carbon intensive
Costly
None of these
Dead storage is
Store required coal for 24 – 30 hrs of the boiler running
Store coal for future use
Store coal for 5 to 10 days
Store coal for 2 days
The use of cooling tower is
cool the condenser circulating water
cool the steam comes out from the turbine
cool the feed water
none of the above
In overfeeding
Coal is fed above the grate
Coal is fed under the grate
Coal is fed along with air
Coal fed by both above and under the grate
In jet condenser the exhaust steam and cooling water are
Mix up together
Flows in separate pipes
One fluid flows in the pipe and other flows in the shell
Both are separated by the plate
Which one is not a method of feed water treatment
Thermal treatment
Chemical treatment
Demineralisation
Electrostatic precipitation
Which risk is associated with using nuclear fission to produce energy in a power plant?
depletion of hydrocarbons
depletion of atmospheric oxygen
exposure of workers to radiation
exposure of workers to sulfur dioxide
A serious risk factor associated with the operation of a nuclear power plant is the production of
acid rain
helium gas
greenhouse gases, such as CO2
radioisotopes with long half-lives
One benefit of nuclear fission reactions is
nuclear reactor meltdowns
storage of waste materials
biological exposure
production of energy
Which components of a fission reactor are used to slow neutrons during a fission reaction?
moderators
shields
coolants
control rods
Which substance can be used as both a coolant and a moderator in a nuclear reactor?
graphite
carbon dioxide
heavy water
helium
The main function of a coolant in a nuclear fission reactor is to
slow down the speed of the neutrons
absorb energy produced by the reaction
shield the wall of the reactor from radiation damage
adjust the number of neutrons available for reaction
Control rods in nuclear reactors are commonly made of boron and cadmium because these two elements have the ability to
absorb neutrons
emit neutrons
decrease the speed of neutrons
increase the speed of neutrons
The operation of a commercial nuclear reactor requires an isotope that will undergo
fission and a controlled chain reaction
fission and an uncontrolled chain reaction
fusion and a controlled chain reaction
fusion and an uncontrolled chain reaction
The purpose of the high-density concrete used in some nuclear reactors is to
shield the reactor walls from radiation damage
shield the reactor personnel from radiation exposure
control the rate of the nuclear reaction
control the speed of the neutrons
Nuclear Power Plants have many advantages. One of those advantages is...
nuclear weapons
nuclear waste
reduced CO2 emissions
reactor meltdowns
The primary source of the energy are
coal,oil & Uranium
hydrogen, oxygen and water
wind, biomass and geothermal
none of the above
India first nuclear power plant was installed at
Tarapore
Kota
Kalpakkam
None
Which statement is true about isotopes?
Isotopes of an element have the same number of neutrons in their nuclei, but different numbers of protons.
Isotopes of an element have different chemical properties.
Isotopes of an element have the same number of protons in their nuclei, but different numbers of neutrons.
Isotopes of an element have the same relative atomic mass.
Which uranium isotope is used in nuclear reactors?
Both uranium-235 and uranium-238 occur in nuclear reactors.
Only uranium-238 is used in nuclear reactors.
Only uranium-235 is used in nuclear reactors.
Only uranium-236 is used in nuclear reactors.
What does BWR stand for?
Biological water reaction
Boiling water reaction
Boiling water reactor
Boiling water replacement
How is PWR different from BWR? Select all answers that apply.
In the reactor circuit water stays in liquid state due to the high pressure.
In a PWR system there are two process water circles as opposed to one in the BWR system.
Steam makes the turbine shafts rotate, which generates electricity.
The water turns to steam due to the heat created by the fission reaction.
Useful life time of Condenser in a power plant
10 Years
20 Years
30 Years
40 Years
What are the combustible elements in the fuel:
Carbon and hydrogen
Carbon, hydrogen and ash
Carbon, hydrogen and sulphur
None of the above
Electrostatic precipitator is installed between:
(a)
In a super heater:
Pressure rises and temperature drops
Temperature rises and pressure drops
Temperature rises and pressure remains unchanged
Pressure rises and temperature remains the same
Economizer of boiler has main function of:
Heat up the incoming water with excess steam
Heat up the incoming water by exhaust gases
The draught which a chimney produces is called
induced draught
Natural draught
Burning of low grade coal can be improved by:
Pulverizing the coal
Blending with high quality coal
Oil assisted ignition
All the above
A steam power station requires space
equal to diesel power station
more than diesel power station
less than diesel power station
Economiser is used to heat
air
feed water
flue gases
all of above
1. Which of the following is a non-renewable resource?
coal
Forests
Water
Wildlife
The primary source of the energy are
coal,oil & Uranium
hydrogen, oxygen and water
wind, biomass and geothermal
none of the above
India first nuclear power plant was installed at
Tarapore
Kota
Kalpakkam
None
he system supplying base and peak loads will be more economical if power is supplied by
Only gas turbine power plant
Only thermal power plant
Only Diesel power plant
Combined operation of various power plants
The turbine which is used in tidal power plant for getting continues power is
simple impulse type
reversible type
propeller type
None
Most widely used material of solar cell is
arsenic
cadmium
silicon
steel
The main objective of energy management is to
Minimize energy cost
Minimum environmental effects
Maintain optimum energy procurement and utilization
All of these
The Function of solar collectors to convert
Solar energy into electricity
Solar energy into radiations
Solar energy into thermal energy
None
Turbines with how many propellers are used in order to avoid vibrations?
1
2
3
4
Moderator in nuclear plants is used to
reduce temperature
extract heat from nuclear reaction
control the reaction
cause collision with the fast moving neutrons to reduce their speed
The most commonly used moderator in nuclear plants is
deuterium
graphite
heavy water
concrete and bricks
The nuclear energy is measured as
kWhr
curie
MW
MeV
In boiling water reactor, moderator is
ferrite rod
coolant itself
liquid sodium metal
blanket of thorium
A fast breeder reactor uses
U-239
U-238
90% U-235
Pu-239
Radioactive isotopes find application in
power generation
nuclear fission
nuclear fusion
medical field
Each fission of U235 produces following number of fast neutrons per fission
1 2 neutrons
1 neutron
2 neutrons
infinite
Superheated steam is generated in following reactor
gas cooled
pressurized water
boiling water
all of the above
Breeder reactors employ liquid metal coolant because it
transfers heat from core at a fast rate
produces maximum steam
acts as good moderator
increases rate of reaction in core
The function of control rods in nuclear plants is to
control temperature
control radioactive pollution
control absorption of neutron
control fuel consumption
Pick up the wrong statement Fast breeder reactors
operate at extremely high power densities.
produce more fuel than they consume
are liquid-metal cooled
use water as coolant
