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Mechanical Engineering - Steam Nozzles and Turbines

Exercise : Steam Nozzles and Turbines - Section 3
26.
A single stage turbine is not used because it requires large reduction gearing due to very high rotational speed.
Agree
Disagree
Answer: Option
Explanation:
No answer description is available. Let's discuss.
27.
In turbines, the fluid undergoes a continuous steady flow process and the speed of flow is
low
very low
high
very high
Answer: Option
Explanation:
No answer description is available. Let's discuss.
28.
A nozzle is said to be a convergent-divergent nozzle, when the cross-section of a nozzle first decreases from its entrance to throat and then increases from its throat to exit.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.
29.
In an impulse reaction turbine, the pressure drops gradually and continuously over
fixed blades
moving blades
both fixed and moving blades
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
30.
When the inlet pressure of steam is equal to the exit pressure, then
there is a pressure drop in the nozzle
fluid flows through the nozzle
pressure drops and fluid flows through the nozzle
there is no pressure drop and fluid does not flow through the nozzle
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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