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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
Lancashire boiler is a

Mobile fire tube boiler
Water tube boiler with natural/forced circulation
Stationary water tube boiler
Stationary fire tube boiler

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Steam Boilers, Engines, Nozzles and Turbines
The state of vapor under saturation condition is described by

Pressure alone
Pressure and dryness fraction
Temperature alone
Pressure and temperature

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Steam Boilers, Engines, Nozzles and Turbines
The fire tubes in a Scotch marine boiler are

None of the listed here
Horizontal
Vertical
Inclined

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Steam Boilers, Engines, Nozzles and Turbines
Primary air is the air used to

Provide air around burners for obtaining optimum combustion
Air delivered by forced draft fan
Convert CO (formed in lower zone of furnace) into CO₂ at higher zone
Transport and dry the coal

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Steam Boilers, Engines, Nozzles and Turbines
A compound steam engine in which piston rods of high pressure and low pressure cylinders are attached to two different cranks set at 90° to each other, is called

Woolf type compound engine
Both (A) and (B)
Tandem type compound engine
Receiver type compound engine

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Steam Boilers, Engines, Nozzles and Turbines
The function of a cross-head is to guide motion of the _________ and to prevent it from bending.

Piston rod
Valve rod
Eccentric rod
Connecting rod

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