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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 | |