Power Plant Engineering Set 10

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This set of Power Plant Engineering PPE Multiple Choice Questions & Answers (MCQs) focuses on Power Plant Engineering Set 10

Q1 | What is the air standard cycle for a Gas- Turbine called?
  • reheat cycle
  • rankine cycle
  • brayton cycle
  • diesel cycle
Q2 | Which of the following is a type of Gas Turbine Plant?
  • single acting
  • double acting
  • open
  • none of the mentioned
Q3 | Power is produced when the working fluid does some work on the?
  • shaft
  • fins
  • blades
  • none of the mentioned
Q4 | A Gas Turbine is which type of combustion plant?
  • external
  • open
  • internal
  • cannot say
Q5 | Which among these is the main component of a gas turbine plant?
  • condenser
  • compressor
  • boiler
  • both compressor & boiler
Q6 | Which type of compressor is used in a gas turbine plant?
  • reciprocating compressor
  • screw compressor
  • multistage axial flow compressor
  • either reciprocating compressor & screw compressor
Q7 | What part or % of power developed is utilised for driving the compressor?
  • 65 %
  • 70 %
  • 55 %
  • 80 %
Q8 | The gas turbine power plant mainly uses which among the following fuels?
  • coal and peat
  • kerosene oil and diesel oil and residual oil
  • gas oil
  • natural gas and liquid petroleum fuel
Q9 | The maximum steam temperature in a power cycle in degree centigrade is?
  • 600
  • 500
  • 300
  • 100
Q10 | The temperature in a dry bottom pulverised coal furnace, in degree Celsius is about?
  • 1200
  • 1300
  • 1400
  • 2000
Q11 | What happens to the availability in a combined cycle plant?
  • decreases
  • increases
  • remains same
  • cannot say
Q12 | By superposing a high temperature power plant as a topping unit to the steam plant, the energy conversion efficiency achieved is?
  • higher
  • lower
  • maximum
  • minimum
Q13 | Which of the following is not a type of Combined Plant?
  • sodium- mercury-potassium plant
  • gas turbine-steam turbine plant
  • thermionic steam plant
  • thermoelectric steam plant
Q14 | Which of these is not a component of nuclear reactor?
  • reactor core
  • refractor
  • control rod
  • biological shield
Q15 | Which of these is not a merit of nuclear power?
  • amount of fuel required is small
  • plant requires a huge amount of area
  • demand for coal and oil is reduced
  • most economical in large quantities
Q16 | The thermionic generator is essentially which kind of device?
  • low voltage & high current
  • high voltage & high current
  • low voltage & low current
  • high voltage and high current
Q17 | What efficiencies of thermionic power generator have been realised?
  • 50-60%
  • 40-50%
  • 10-20%
  • 30-40%
Q18 | In an electron beam, the average kinetic energy of an electron is given by                      
  • 2kt
  • 3kt
  • 1.5kt
  • 2.5kt
Q19 | PWR stands for                  
  • power
  • partially weathered rock
  • pressurized water reactor
  • packaging waste regulations
Q20 | What does the top of the pressurizer in pressurized water reactor consists of at primary system pressure?
  • steam
  • air
  • water
  • fluids
Q21 | Select the incorrect statement which supports PWR.
  • water is used as coolant
  • pwr is stable in operation
  • uses natural fuel
  • pwr has positive power demand coefficient
Q22 | Select the incorrect statement about PWR.
  • high primary circuit pressure requires a strong pressure vessel
  • corrosion is less in pwr
  • during fuel charging in pwr, the reactor has to be shut down at least for a month
  • pwr results in uneven heating
Q23 | LWR stands for                    
  • lower water reactor
  • line water reactor
  • liquefied water reactor
  • light water reactor
Q24 | In which reactor is the coolant in direct contact with the heat producing nuclear fuel?
  • fast breeder reactor
  • pressurized water reactor
  • boiling water reactor
  • heavy water reactor
Q25 | How many types of Boiling water reactor cycles are there?
  • 2
  • 3
  • 4
  • 5