Top 350+ Solved Power Plant Engineering (PPE) MCQ Questions Answer
Q. Which type of compressor is used in a gas turbine plant?
a. reciprocating compressor
b. screw compressor
c. multistage axial flow compressor
d. either reciprocating compressor & screw compressor
Q. What part or % of power developed is utilised for driving the compressor?
a. 65 %
b. 70 %
c. 55 %
d. 80 %
Q. The gas turbine power plant mainly uses which among the following fuels?
a. coal and peat
b. kerosene oil and diesel oil and residual oil
c. gas oil
d. natural gas and liquid petroleum fuel
Q. The maximum steam temperature in a power cycle in degree centigrade is?
a. 600
b. 500
c. 300
d. 100
Q. The temperature in a dry bottom pulverised coal furnace, in degree Celsius is about?
a. 1200
b. 1300
c. 1400
d. 2000
Q. What happens to the availability in a combined cycle plant?
a. decreases
b. increases
c. remains same
d. cannot say
Q. By superposing a high temperature power plant as a topping unit to the steam plant, the energy conversion efficiency achieved is?
a. higher
b. lower
c. maximum
d. minimum
Q. Which of the following is not a type of Combined Plant?
a. sodium- mercury-potassium plant
b. gas turbine-steam turbine plant
c. thermionic steam plant
d. thermoelectric steam plant
Q. Which of these is not a component of nuclear reactor?
a. reactor core
b. refractor
c. control rod
d. biological shield
Q. Which of these is not a merit of nuclear power?
a. amount of fuel required is small
b. plant requires a huge amount of area
c. demand for coal and oil is reduced
d. most economical in large quantities
Q. The thermionic generator is essentially which kind of device?
a. low voltage & high current
b. high voltage & high current
c. low voltage & low current
d. high voltage and high current
Q. What efficiencies of thermionic power generator have been realised?
a. 50-60%
b. 40-50%
c. 10-20%
d. 30-40%
Q. In an electron beam, the average kinetic energy of an electron is given by
a. 2kt
b. 3kt
c. 1.5kt
d. 2.5kt
Q. PWR stands for
a. power
b. partially weathered rock
c. pressurized water reactor
d. packaging waste regulations
Q. What does the top of the pressurizer in pressurized water reactor consists of at primary system pressure?
a. steam
b. air
c. water
d. fluids