Mechanical Engineering - Steam Nozzles and Turbines

Exercise :: Steam Nozzles and Turbines - Section 2

31. 

The pressure of steam __________ while flowing through a nozzle.

A. increases
B. decreases
C. remains constant

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.

32. 

The process of maintaining the speed of the turbine constant for various load conditions, is known as

A. bleeding
B. reheating
C. governing
D. none of these

Answer: Option C

Explanation:

No answer description available for this question. Let us discuss.

33. 

Reheating of steam in a turbine

A. increases the workdone through the turbine
B. increases the efficiency of the turbine
C. reduces wear on the blades
D. all of these

Answer: Option D

Explanation:

No answer description available for this question. Let us discuss.

34. 

Which of the following statement is correct for steam turbines as compared to reciprocating steam engines?

A. A steam turbine develops higher speeds
B. The efficiency of steam turbine is higher
C. The steam consumption is less
D. all of these

Answer: Option D

Explanation:

No answer description available for this question. Let us discuss.

35. 

The density of supersaturated steam is about __________ that of the ordinary saturated vapour at the corresponding pressure.

A. same as
B. 2 times
C. 4 times
D. 8 times

Answer: Option D

Explanation:

No answer description available for this question. Let us discuss.