Power Plant Engineering Mock Test 8

10%

Question 1 of 10

1. A stage, in reaction turbine, is represented by ____________

number of entries of steam

none of the mentioned

each row of blades

number of exits of steam

Question 1 of 10

Question 2 of 10

2. Steam turbines are used for ____________

all of the mentioned

electric power generation

direct drive of fans, compressors, pumps

large marine propulsion

Question 2 of 10

Question 3 of 10

3. An air preheater is installed _____________

between the economiser and chimney

none of the mentioned

before the superheater

before the economiser

Question 3 of 10

Question 4 of 10

4. Which of these is not a type of steam generator depending upon the kind of applications?

utility steam generators

agricultural steam generators

industrial steam generators

marine steam generators

Question 4 of 10

Question 5 of 10

5. What is the critical pressure ratio for initially dry saturated steam?

0.546

0.578

0.577

0.586

Question 5 of 10

Question 6 of 10

6. The Guide vanes remain stationary in?

None of the mentioned

Rateau & Curtis staging

Curtis staging

Rateau staging

Question 6 of 10

Question 7 of 10

7. The natural draught is produced by _________

centrifugal fan

chimney

team jet

none of the mentioned

Question 7 of 10

Question 8 of 10

8. What is the purpose of super heater in a boiler?

to increase the temperature of feedwater for better efficiency

to increase the temperature of saturated steam without increase in its pressure

none of the mentioned

to increase the temperature of saturated steam with increase in its pressure

Question 8 of 10

Question 9 of 10

9. What is the definition of the draught system?

A device used to pull out air

The sum of the absolute gas pressure at any point in a gas flow and the ambient atmospheric pressure

The difference between absolute gas pressure at any point in a gas flow and the ambient atmospheric pressure

A device used to pull in air

Question 9 of 10

Question 10 of 10

10. There are basically ______ Ways of compounding steam turbines.

Question 10 of 10