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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
At which pressure the properties of water and steam become identical

0.1 kg/cm²
225.6 kg/cm²
100 kg/cm²
1 kg/cm²

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Steam Boilers, Engines, Nozzles and Turbines
The ratio of heat utilized to produce steam and the heat liberated in furnace is known as

Boiler efficiency
Factor of evaporation
Boiler evaporative capacity
Boiler effectiveness

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Steam Boilers, Engines, Nozzles and Turbines
The velocity of steam at throat of the nozzle is __________ the velocity of sound.

More than
Less than
None of these
Equal to

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Steam Boilers, Engines, Nozzles and Turbines
A boiler in India should conform to safety regulations of

ASTM
BS
DIN
IBR

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

Volume
Pressure
Entropy
Enthalpy

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Steam Boilers, Engines, Nozzles and Turbines
The factor of evaporation for all boilers is always

Greater than unity
None of these
Less than unity
Equal to unity

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