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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
In a boiler, the heat is lost

In moisture present in the fuel
To dry flue gases
All of these
To steam formed by combustion of hydrogen per kg of fuel

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Steam Boilers, Engines, Nozzles and Turbines
Cut-off governing as compared to throttle governing is

Less efficient and less economical
Less efficient and more economical
More efficient and more economical
More efficient and less economical

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Steam Boilers, Engines, Nozzles and Turbines
The aim of a compound steam engine is

To reduce the length of stroke
To reduce the ratio of expansion in each cylinder
To reduce the temperature range in each cylinder
All of these

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Steam Boilers, Engines, Nozzles and Turbines
The ratio of the isentropic heat drop to the heat supplied, is called

Reheat factor
Internal efficiency
Rankine efficiency
Stage efficiency

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Steam Boilers, Engines, Nozzles and Turbines
Pick up the wrong statement about critical condition of steam

Latent heat is zero
This is the maximum pressure limit
Liquid directly becomes steam
Specific volume of steam and liquid is same

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Steam Boilers, Engines, Nozzles and Turbines
The ratio of the actual vacuum to the ideal vacuum in a condenser is called

Boiler efficiency
Nozzle efficiency
Vacuum efficiency
Condenser efficiency

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MORE MCQ ON Steam Boilers, Engines, Nozzles and Turbines

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