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Mechanical Engineering - Steam Nozzles and Turbines

Exercise : Steam Nozzles and Turbines - Section 1
26.
The critical pressure gives the velocity of steam at the throat
equal to the velocity of sound
less than the velocity of sound
more than the velocity of sound
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
27.
The Parsons' reaction turbine has
only moving blades
only fixed blades
identical fixed and moving blades
fixed and moving blades of different shape
Answer: Option
Explanation:
No answer description is available. Let's discuss.
28.
The action of steam in a steam turbine is
static
dynamic
static and dynamic
neither static nor dynamic
Answer: Option
Explanation:
No answer description is available. Let's discuss.
29.
The blade velocity coefficient is ratio of relative velocity of steam at outlet tip of the blade to the relative velocity of steam at inlet tip of the blade.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.
30.
Multi-stage steam turbines are of the
velocity compounded type
reaction type
pressure compounded type
all of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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