Exercise: Steam Nozzles And Turbines

Questions for: Steam Nozzles And Turbines

The Rankine efficiency depends upon total useful heat drop and total isentropic heat drop.
A:
Correct
B:
Incorrect
C:
D:
Answer: B
No answer description is available. Let's discuss.
📖
📝
💬
👁️
The diagram efficiency is the ratio of
A:
workdone on the blades to the energy supplied to the blades
B:
workdone on the blades per kg of steam to the total energy supplied per stage per kg of steam
C:
energy supplied to the blades per kg of steam to the total energy supplied per stage per kg of steam
D:
none of the above
Answer: A
No answer description is available. Let's discuss.
📖
📝
💬
👁️
The ratio of the workdone on the blades per kg of steam to the total energy supplied per stage per kg of steam is called
A:
blading efficiency
B:
nozzle efficiency
C:
stage efficiency
D:
mechanical efficiency
Answer: C
No answer description is available. Let's discuss.
📖
📝
💬
👁️
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: D
No answer description is available. Let's discuss.
📖
📝
💬
👁️
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: D
No answer description is available. Let's discuss.
📖
📝
💬
👁️
Ad Slot (Above Pagination)
Quiz