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Steam Boilers, Engines, Nozzles and Turbines

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
Higher than
Equal to
Lower than

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

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

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Steam Boilers, Engines, Nozzles and Turbines
The difference of supersaturated temperature and saturation temperature at that pressure is called

None of the listed here
Degree of under-cooling
Degree of superheat
Degree of super-saturation

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Steam Boilers, Engines, Nozzles and Turbines
The major axis of elliptical manholes on the shell should be provided

On dished end
Anywhere
Circumferentially
Longitudinally

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Steam Boilers, Engines, Nozzles and Turbines
The clearance in the engine cylinder

Decreases the efficiency of the engine
Increases the mean effective pressure
Increases the workdone
All of these

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Steam Boilers, Engines, Nozzles and Turbines
The maximum heat loss is a boiler occurs due to

Unburnt carbon
Dry flue gases
Steam formation
Moisture in fuel

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