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STEAM BOILERS, ENGINES, NOZZLES AND TURBINES

Steam Boilers, Engines, Nozzles and Turbines
O₂ content in atmospheric air on volume basis is

0.3
0.23
0.21
0.4

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Steam Boilers, Engines, Nozzles and Turbines
O₂ content in atmospheric air on weight basis is

0.4
0.23
0.21
0.3

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

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

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

Power of a boiler
Boiler efficiency
Equivalent evaporation
Factor of evaporation

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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

Boiler efficiency
Condenser efficiency
Vacuum efficiency
Nozzle efficiency

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