Exercise: Steam Nozzles And Turbines

Questions for: Steam Nozzles And Turbines

The critical pressure gives the velocity of steam at the throat equal to the velocity of sound.
A:
Agree
B:
Disagree
C:
D:
Answer: A
No answer description is available. Let's discuss.
The turbine, in which the general direction of the steam flow is parallel to the turbine axis, is called axial flow turbines
A:
True
B:
False
C:
D:
Answer: A
No answer description is available. Let's discuss.
De-Laval turbine is a
A:
single rotor impulse turbine
B:
multi-rotor impulse turbine
C:
impulse reaction turbine
D:
none of these
Answer: A
No answer description is available. Let's discuss.
A regenerative steam cycle renders
A:
increased work output per unit mass of steam
B:
decreased work output per unit mass of steam
C:
increased thermal efficiency
D:
decreased work output per unit mass of steam as well as increased thermal efficiency
Answer: D
No answer description is available. Let's discuss.
The efficiency of reaction turbine is maximum when (where α = Angle made by the absolute velocity (V) at inlet)
A:
Vb = 0.5 V cos α
B:
Vb = V cos α
C:
Vb = 0.5 V2 cos α
D:
Vb = V2 cos α
Answer: B
No answer description is available. Let's discuss.
Ad Slot (Above Pagination)
Quiz