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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
Cut-off governing of steam engines is a method of controlling the engine output by varying

Pressure of intake steam
Temperature of intake steam
All of these
Volume of intake steam

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Steam Boilers, Engines, Nozzles and Turbines
The average operating pressure of Benson boiler is

100 bar
150 bar
250 bar
200 bar

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Steam Boilers, Engines, Nozzles and Turbines
The ratio of the actual vacuum to the ideal vacuum in a condenser is called

Vacuum efficiency
Boiler efficiency
Condenser efficiency
Nozzle efficiency

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Steam Boilers, Engines, Nozzles and Turbines
When the back pressure of a nozzle is below the designed value of pressure at exit of nozzle, the nozzle is said to be

Over-damping
None of these
Under-damping
Choked

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Steam Boilers, Engines, Nozzles and Turbines
Evaporative capacity of boiler is expressed as

kg of steam produced
Steam pressure produced
kg of steam produced per kg of fuel fifed
kg of fuel fired

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Steam Boilers, Engines, Nozzles and Turbines
The balanced draft furnace is one using

Any one of the above
Forced draft fan and chimney
Induced draft fan and chimney
Induced draft fan and forced draft fan

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