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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
The bituminous coal is no caking if its carbon content is

81-85%
78-81%
90-95%
85-90%

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Steam Boilers, Engines, Nozzles and Turbines
Willian’s line for the steam engine is a straight line relationship between the steam consumption per hour and

Efficiency
Brake power
Pressure of steam
Indicated power

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

Condenser efficiency
Nozzle efficiency
Boiler efficiency
Vacuum efficiency

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Steam Boilers, Engines, Nozzles and Turbines
Boiler parameters are expressed by

Tonnes/hr. of steam
Temperature of steam in °C
Pressure of steam in kg/cm²
All of these

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Steam Boilers, Engines, Nozzles and Turbines
In case of non-condensing steam engines, the pressure of steam in the cylinder during exhaust stroke is _________ the condenser pressure.

None of these
Lower than
Higher than
Equal to

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Steam Boilers, Engines, Nozzles and Turbines
In a reaction turbine when the degree of reaction is zero, then there is

Maximum heat drop in fixed blades
No heat drop in fixed blades
No heat drop in moving blades
Maximum heat drop in moving blades

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