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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
The turbine blades are

None of these
Circular
Curved
Straight

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Steam Boilers, Engines, Nozzles and Turbines
The latent heat of steam at pressures greater than atmospheric in comparison to latent heat at atmospheric pressure is

More
Equal
May be less or more depending on temperature
Less

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Steam Boilers, Engines, Nozzles and Turbines
In a compound steam engine, the first stage of expansion is carried out in a high pressure cylinder whereas the last expansion is completed in low pressure cylinder. The diameter of high pressure cylinder is _________ the low pressure cylinder.

Less than
More than
Equal to
None of the listed here

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Steam Boilers, Engines, Nozzles and Turbines
While steam expands in turbines, theoretically the entropy

Behaves unpredictably
Increases
Remains constant
Decreases

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Steam Boilers, Engines, Nozzles and Turbines
The increase in pressure

Lowers the boiling point of a liquid
Does not affects the boiling point of a liquid
Raises the boiling point of a liquid
Reduces its volume

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Steam Boilers, Engines, Nozzles and Turbines
Which of the following is required for a steam condensing plant?

All of these
Air extraction pump
Condensate pump
Condenser

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