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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
Steam turbines may be classified according to

Mode of steam action
Number of stages
Direction of steam flow
All of these

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Steam Boilers, Engines, Nozzles and Turbines
At very low temperature, the melting and boiling temperatures become equal. This temperature is

0°K
273.16°K
373°K
303°K

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Steam Boilers, Engines, Nozzles and Turbines
Sulphur in coal results in

Corroding air heaters
All of these
Facilitating ash precipitation
Spontaneous combustion during coal storage

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Steam Boilers, Engines, Nozzles and Turbines
The expansion of steam in a nozzle follows

Stirling cycle
Carnot cycle
Rankine cycle
Joule cycle

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Steam Boilers, Engines, Nozzles and Turbines
Multi-stage steam turbines are of the

Reaction type
Velocity compounded type
Pressure compounded type
All of these

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Steam Boilers, Engines, Nozzles and Turbines
The amount of water evaporated from feed water at _________ into dry and saturated steam at 100° C at normal atmospheric pressure is called equivalent evaporation from and at 100° C.

60°C
40°C
100°C
0°C

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