Power Plant Engineering Mock Test 1

10%

Question 1 of 10

1. The saturation pressure corresponding to the minimum practicable temperature of heat rejection is a function of?

None of the mentioned

Temperature of heat rejection

Temperature of surroundings

Mean temperature of heat addition

Question 1 of 10

Question 2 of 10

2. Water gas is a mixture of ___________

CO, N₂ and H₂

O₂ and H₂

CO₂ and O₂

H₂, N₂ and O₂

Question 2 of 10

Question 3 of 10

3. Ideal 'Rankine Cycle' is a __________ process.

Reversible

None of the mentioned

Reversible & Irreversible

Irreversible

Question 3 of 10

Question 4 of 10

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

efficiency does not depend on turbine exit temperature

efficiency of Rankine is less if turbine exit temperature(Tmin) is less

none of the mentioned

efficiency of Rankine is more if turbine exit temperature(Tmin) is less

Question 4 of 10

Question 5 of 10

5. Internal irreversibility of Rankine cycle is caused by?

all of the mentioned

throttling and mixing

expansion and compression process are quite rapid

fluid friction

Question 5 of 10

Question 6 of 10

6. Which of the following diagrams are used while analyzing the effect of superheat & Inlet Pressure on mean temperature of heat addition?

P-T diagram

P-V diagram

V-T diagram

T-S diagram

Question 6 of 10

Question 7 of 10

7. Apart from alloying, name a material that is used instead of ferritic steels to increase the ultimate strength of unalloyed steels.

None of the mentioned

Austenitic steel

Molybdenum

Chromium

Question 7 of 10

Question 8 of 10

8. Which of the following is not a component of Brayton cycle?

Turbine

Combustion Chamber

Pump

Compressor

Question 8 of 10

Question 9 of 10

9. Net Work output of the plant __________ with reheat.

increases

none of the mentioned

decreases

remains same

Question 9 of 10

Question 10 of 10

10. Steam Power Plants are more popular in electric power generation because ___________

None of the mentioned

Work output of turbine is very large than work input to the pump

Work output of turbine is equal to work input to the pump

Work output of turbine is very small than work input to the pump

Question 10 of 10