Explore topic-wise MCQs in Power Plant.

This section includes 6 Mcqs, each offering curated multiple-choice questions to sharpen your Power Plant knowledge and support exam preparation. Choose a topic below to get started.

1.

The temperature to which air must be cooled in order to become saturated is the ___________

A. minimum temperature
B. dew point temperature
C. wet-bulb temperature
D. freezing point
Answer» C. wet-bulb temperature
2.

Coal used in power plant is also known as ___________

A. steam coal
B. charcoal
C. coke
D. soft coal
Answer» B. charcoal
3.

Critical pressure of water is ___________

A. 1 kg / cm<sup>2</sup>
B. 100 kg / cm<sup>2</sup>
C. 155 kg / cm<sup>2</sup>
D. 217.7 kg / cm<sup>2</sup>
Answer» E.
4.

Water gas is a mixture of ___________

A. CO<sub>2</sub> and O<sub>2</sub>
B. O<sub>2</sub> and H<sub>2</sub>
C. H<sub>2</sub>, N<sub>2</sub> and O<sub>2</sub>
D. CO, N<sub>2</sub> and H<sub>2</sub>
Answer» C. H<sub>2</sub>, N<sub>2</sub> and O<sub>2</sub>
5.

Pulverized coal is ____________

A. coal free from ash
B. non-smoking coal
C. coal which bums For long time
D. coal broken into fine particles
Answer» E.
6.

For a given value of mean temperature of heat addition(Tm) is?

A. efficiency of Rankine is more if turbine exit temperature(Tmin) is less
B. efficiency of Rankine is less if turbine exit temperature(Tmin) is less
C. efficiency does not depend on turbine exit temperature
D. none of the mentioned
Answer» B. efficiency of Rankine is less if turbine exit temperature(Tmin) is less