Top 350+ Solved Power Plant Engineering (PPE) MCQ Questions Answer

From 241 to 255 of 322

Q. Tailings forms are the residues from

a. uranium

b. thorium

c. cadmium

d. boron

  • a. uranium

Q. LLW stands for  

a. low level water

b. low laser width

c. low level waste

d. loss of levels in water

  • c. low level waste

Q. What is the unit of Heat rate?

a. kj/kw

b. kw/kj

c. kj

d. kw

  • a. kj/kw

Q. Rankine efficiency of a Steam Power Plant

a. improves in summer as compared to that in winter

b. improves in winter as compared to that in summer

c. is unaffected by climatic conditions

d. none of the mentioned

  • b. improves in winter as compared to that in summer

Q. Which of the following contributes to the improvement of efficiency of Rankine cycle in a Thermal Power Plant?

a. reheating of steam at intermediate stage

b. regeneration use of steam for heating boiler feed water

c. use of high pressures

d. all of the mentioned

  • d. all of the mentioned

Q. Rankine cycle efficiency of a good Steam Power Plant may be in the range of?

a. 15 to 20%

b. 35 to 45%

c. 70 to 80%

d. 90 to 95%

  • b. 35 to 45%

Q. On what basis are fire and water tube boilers are classified?

a. depending the combustion products formed

b. depending the state of fuel

c. depending on the steam formation rate

d. depending tubular heating surface

  • d. depending tubular heating surface

Q. Cornish boiler is an example of which type of boiler?

a. fire tube boiler

b. water tube boiler

c. vertical tube boiler

d. externally fired boiler

  • a. fire tube boiler

Q. Stirling boiler is an example of which type of boiler?

a. inclined tube boilers

b. mobile boiler

c. fire tube boiler

d. water tube boiler

  • d. water tube boiler

Q. Which of these is a stationary boiler?

a. locomotive boiler

b. marine boiler

c. mobile boiler

d. babcock-wilcox boiler

  • d. babcock-wilcox boiler

Q. Which of these is a mobile boiler?

a. lancashire boiler

b. stirling boiler

c. locomotive boiler

d. cochran boiler

  • c. locomotive boiler
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