Steam Nozzles and Turbines - Data Intensity 3 Multiple Questions and Answers.




1.The pressure of steam __________ while flowing through a nozzle.
A. increases
B. decreases
C. remains constant
D. None of above

2.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

3.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

4.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

5.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

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