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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
Willian’s line for the steam engine is a straight line relationship between the steam consumption per hour and

Brake power
Indicated power
Efficiency
Pressure of steam

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Steam Boilers, Engines, Nozzles and Turbines
The air pressure at the fuel bed is reduced below that of atmosphere by means of a fan placed at or near the bottom of the chimney to produce a draught. Such a draught is called

Natural draught
Balanced draught
Induced draught
Forced draught

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Steam Boilers, Engines, Nozzles and Turbines
The reheat factor is the ratio of the

Cumulative heat drop to the isentropic heat drop
None of these
Isentropic heat drop to the heat supplied
Total useful heat drop to the total isentropic heat drop

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Steam Boilers, Engines, Nozzles and Turbines
The safety valve at superheater as compared to drum safety valve setting is set at

Same value
Any value
Lower value
Higher value

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Steam Boilers, Engines, Nozzles and Turbines
The number of flue tubes in Lancashire boiler is

Two
One
Zero
Four

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Steam Boilers, Engines, Nozzles and Turbines
The fire tubes in a Locomotive boiler has __________ diameter.

5.47 mm
7.45 mm
47.5 mm
4.75 mm

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