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WorksheetsPPE MODEL EXAM II PART A
Total questions: 30
Worksheet time: 30mins
The alternator is used in power plants which converts.......
Electrical Energy into Mechanical Energy
Electrical energy into Solar Energy
Mechanical Energy into Electrical Energy
Mechanical Energy into Nuclear Energy
In regenerative cycle feed water is heated by........
Exhaust gas
Heaters
Draining steam from the turbine
All of the above
The Da-Lavel impulse turbine is a........
Velocity compounded impulse turbine
Simple single wheel impulse turbine
Pressure componded impulse turbine
Simple single wheel reaction turbine
In a power station 'Load Center' means........
Center of maximum load of equipments
Center of coal fields
Center of gravity of electrical system
Corner of power plant
Surge tank is for the protection of.......
Dam
Spillways
Penstock
Headworks
The pressure at the furnaceis minimum in case of........
forced draught system
induced draught system
Balanced draught system
Natural draught system
For forced draught system, the function of chimney is mainly........
To produce draught to accelerate the combustion of fuel
To discharge gases high up in the atmosphere to avoid hazard
To reduce the temperature of the hot gases discharged
None of the above
Binary vapour cycles are used to........
Increase the performance of the condenser
Increase the efficiency of the plant
Increase the efficiency of the plant
None of the above
Minimum quantity of fuel is required........
Thermal power plant
Nuclear power plant
Hydro electric power plant
Diesel power plant
The draught which a chimney produces is called.......
Induced draught
Natural draught
Forced draught
Balanced draught
The main source of production of biogas is........
Human waste
Wet cow dung
Wet livestock waste
all of the above
The secondary sources of energy are........
Coal,oil,uranium
Wood,animal waste,agricultuer waste
Wind,biomass,geothermal
Solar,wind,water
The primary sources of energy are........
Coal,oil,uranium
Solar,wind,water
hydrogen,oxygen,water
Wind,biomass,geothermal
In fuel cell,chemical energy is converted into........
Heat energy
Electrical energy
Mechanical energy
None of the above
The commercial source of energy.......
Fossil fuels,hydropower,nuclear power
Wood,animal waste,agriculture waste
Solar,wind,biomass
None fo the above
The non-commercial sources of energy are.......
Solar,wind,biomass
Wood,animal waste,agriculture waste
Fossil fuels,hydropower,nuclear power
None of the above
The modern steam turbines are........
Impulse turbine
Reaction turbine
Impulse-reaction turbine
None of the above
The draught which a chimney produces is called........
Induced draught
Forced draught
Natural draught
Balanced draught
Fan is located in induced draught........
Near bottom of furnace
Near bottom of chimney
At the of chimney
Anywhere
Economiser is used to heat.......
Feed heater
Air
Flue gases
All of the above
Space required of a steam power station........
More than diesel power station
Equal to diesel power station
Less than diesel power station
None of the above
Artificial draught is produced by........
Forced fan
Induced fan
Induced and forced fan
All of the above
Artifical draught nomally designed to produce ........
Less smoke
More draught
Less chimney gas temperature
All of the above
The pressure at the furnace is minimum in case of.......
Forced draught system
Induced draught system
Balanced draught system
Natural draught system
Combustible elements in the fuel are........
Carbon,hydrogen,sulphur
Carbon,hydrogen,nitrogen
Carbon,hydrogen,ash
Carbon,hydrogen
Reflector in nuclear plants is used to
return the neutrons back into the core
shield the radioactivity completely
check pollution
conserve energy
The efficiency of a nuclear power plant in comparison to a conventional thermal power plant is
same
more
less
none
Boiling water reactor employs
boiler
direct cycle of coolant cycle
multi pass system
single circuit system
Breeder reactor has a conversion ratio of
unity
more than unity
less than unity
zero
The commonly used material for shielding is
lead or concrete
lead and tin
graphite or cadmium
black carbon papers
