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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
Lancashire boiler has __________ internal flue tubes.

Four
One
Three
Two

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Steam Boilers, Engines, Nozzles and Turbines
At very low temperature, the melting and boiling temperatures become equal. This temperature is

303°K
0°K
373°K
273.16°K

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Steam Boilers, Engines, Nozzles and Turbines
In a boiler, the heat is lost

In moisture present in the fuel
To dry flue gases
To steam formed by combustion of hydrogen per kg of fuel
All of these

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Steam Boilers, Engines, Nozzles and Turbines
In impulse turbines, when friction is neglected, the relative velocity of steam at outlet tip of the blade is _________ the relative velocity of steam at inlet tip of the blade.

Less than
None of these
Greater than
Equal to

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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

40 atmospheres
30 atmospheres
20 atmospheres
10 atmospheres

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

Four
Zero
One
Two

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