Q.1
What is a power plant?
  • a) industrial facility that uses primary energy to generate electricity
  • b) industrial facility that uses secondary energy to generate mechanical energy
  • c) industrial facility that uses primary energy to generate mechanical energy
  • d) industrial facility that uses secondary energy to generate electricity
Q.2
Which of the following is a type of power plant?
  • a) Thermal power plant
  • b) Nuclear power plant
  • c) Hydropower plant
  • d) All of the mentioned
Q.3
What is a hydropower plant?
  • a) Mechanical energy from the stagnant water currents
  • b) Electrical energy from the moving water currents
  • c) Potential energy from the water currents
  • d) Electrical energy from the moving water currents
Q.4
Which of the following is the cheapest plant in operation and maintenance?
  • a) Thermal power plant
  • b) Nuclear power plant
  • c) Hydropower plant
  • d) All of the mentioned
Q.5
Where was India’s first nuclear power plant was installed at?
  • a) Obninsk
  • b) Tarapur, Maharashtra
  • c) Boisar, Maharastra
  • d) None of the mentioned
Q.6
Which of the following kind of energy output is obtained from a ‘Steam Power Plant’?
  • a) Electricity
  • b) Thermal energy
  • c) Sound energy
  • d) Heat energy
Q.7
Which of the following are the components of a Steam Power Plant?
  • a) Boiler, Turbine, Condenser, Pump
  • b) Boiler, Turbine, Pump, Expansion valve
  • c) Evaporator, Condenser, Boiler, Turbine
  • d) Evaporator, Condenser, Boiler, Expansion valve
Q.8
Which of the following is also known as Coal used in power plant?
  • a) coke
  • b) soft coal
  • c) charcoal
  • d) steam coal
Q.9
The net change in internal energy in a steam power plant is?
  • a) Zero
  • b) Positive
  • c) Negative
  • d) None of the mentioned
Q.10
Which of the following contributes to the improvement of efficiency of Rankine cycle in a Thermal Power Plant?
  • a) use of high pressures
  • b) reheating of steam at intermediate stage
  • c) regeneration use of steam for heating Boiler feed water
  • d) all of the mentioned
Q.11
The overall efficiency of a power plant is given by __________
  • a) 3600/AP
  • b) 3600/NPHR
  • b) 3600/HHV
  • c) 3600/NTO
Q.12
Which of the following is an important measure of performance in for a power plant?
  • a) NTO
  • b) HHV
  • c) AP
  • d) NPHR
Q.13
Why is the deaerator not employed in water-cooled & moderated nuclear power plants?
  • a) due to regeneration
  • b) due to reheating
  • c) due to radioactivity release in degeneration
  • d) due to emissivity of degeneration
Q.14
What is the maximum content of moisture allowed at the turbine exhaust in the steam power plant?
  • a) 15 %
  • b) 30 %
  • c) 40 %
  • d) 50 %
Q.15
The steam from steam generator of a nuclear power plant is best described as __________
  • a) saturated dry steam
  • b) saturated wet steam
  • c) supercritical steam
  • d) superheated steam
Q.16
Efficiency of a power plant is more in summers or winters?
  • a) same in both
  • b) depends on the variation
  • c) summers
  • d) winters
Q.17
Steam Power Plants are more popular in electric power generation because ___________
  • a) Work output of turbine is equal to work input to the pump
  • b) Work output of turbine is very large than work input to the pump
  • c) Work output of turbine is very small than work input to the pump
  • d) None of the mentioned
Q.18
Rankine cycle efficiency of a good Steam Power Plant may be in the range of?
  • a) 35 to 45%
  • b) 70 to 80%
  • c) 90 to 95%
  • d) 15 to 20%
Q.19
By superposing a high-temperature power plant as a topping unit to the steam plant, the energy conversion efficiency achieved is?
  • a) minimum
  • b) maximum
  • c) higher
  • d) lower
Q.20
In a typical layout of a 215MW reheat power plant, the feed in the boiler is at?
  • a) 250 degree Centigrade
  • b) 238 degree Centigrade
  • c) 280 degree Centigrade
  • d) 230 degree Centigrade
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