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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
A condenser where circulating water flows through tubes which are surrounded by steam, in known as

Jet condenser
Evaporative condenser
Surface condenser
Barometric condenser

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Steam Boilers, Engines, Nozzles and Turbines
Heating wet steam at constant temperature is heating it at constant

Pressure
Enthalpy
Volume
Entropy

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Steam Boilers, Engines, Nozzles and Turbines
The supersaturated flow of steam through a nozzle as compared to a stable flow, the available heat drop

Decreases
Remains the same
Increases
Is unpredictable

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Steam Boilers, Engines, Nozzles and Turbines
Locomotive type' boiler is

Horizontal multi-tubular fire tube type
Horizontal multi-tubular water tube boiler
Water wall enclosed furnace type
Vertical tubular fire tube type

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Steam Boilers, Engines, Nozzles and Turbines
The cylinder condensation or missing quantity may be reduced by

Keeping the expansion ratio small in each cylinder
All of these
The efficient steam jacketing of the cylinder walls
Superheating the steam supplied to the engine cylinder

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Steam Boilers, Engines, Nozzles and Turbines
Water boils when its vapor pressure

Equals to atmospheric pressure
Equals that of the surroundings
Equals the pressure of water in the container
Equals 760 mm of mercury

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MORE MCQ ON Steam Boilers, Engines, Nozzles and Turbines

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