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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
The draught produced by a steam jet issuing from a nozzle placed in the ash-pit under the fire grate of the furnace is called

Forced steam jet draught
Chimney draught
None of these
Induced steam jet draught

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

None of these
Internal efficiency
Stage efficiency
Rankine efficiency

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Steam Boilers, Engines, Nozzles and Turbines
Lancashire boiler is

All of these
Internally fired boiler
Horizontal boiler
Stationary fire tube boiler

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Steam Boilers, Engines, Nozzles and Turbines
When the speed of the engine is controlled by means of a valve in a steam pipe, which regulates the pressure of steam entering the engine, then the governing is known as

Throttle governing
None of these
By-pass governing
Cut-off governing

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Steam Boilers, Engines, Nozzles and Turbines
In a steam engine, superheated steam from the boiler is fed into the steam chest at a pressure of

30 atmospheres
40 atmospheres
10 atmospheres
20 atmospheres

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Steam Boilers, Engines, Nozzles and Turbines
The water tubes in a Babcock and Wilcox boiler are

Horizontal and inclined
Vertical
Inclined
Horizontal

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