Mechanical Engineering - Steam Nozzles and Turbines

Exercise : Steam Nozzles and Turbines - Section 1
46.
The difference of supersaturated temperature and saturation temperature at that pressure is called
degree of supersaturation
degree of superheat
degree of undercooling
none of these
Answer: Option
Explanation:
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47.
The maximum efficiency of a reaction turbine is
Answer: Option
Explanation:
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48.
The ratio of the useful heat drop to the isentropic heat drop is called
condenser efficiency
nozzle efficiency
boiler efficiency
vacuum efficiency
Answer: Option
Explanation:
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49.
The efficiency of steam turbines may be improved by
reheating of steam
regenerative feed heating
binary vapour plant
any one of these
Answer: Option
Explanation:
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50.
In a reaction turbine, when steam flows through the fixed blades,
pressure increases while velocity decreases
pressure decreases while velocity increases
pressure and velocity both decreases
pressure and velocity both increases
Answer: Option
Explanation:
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