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Steam Boilers, Engines, Nozzles and Turbines

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

0°K
303°K
373°K
273.16°K

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Steam Boilers, Engines, Nozzles and Turbines
The basic purpose of drum in boiler is to

Separate steam from water
Remove salts from water
Serve as storage of steam
Serve as storage of feed water for water wall

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Steam Boilers, Engines, Nozzles and Turbines
The behavior of coal in a furnace is determined by

The content of sulphur
The proximate analysis
The exact analysis
The content of ash and heating value

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Steam Boilers, Engines, Nozzles and Turbines
In a reaction turbine, when steam flows through the moving blades,

Pressure and velocity both increases
Pressure increases while velocity decreases
Pressure and velocity both decreases
Pressure decreases while velocity increases

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Steam Boilers, Engines, Nozzles and Turbines
Hygrometry deals with the

Water vapor in air
Temperature of air
Hygroscopic substances
Pressure of air

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Steam Boilers, Engines, Nozzles and Turbines
The diameter of internal flue tubes of a Lancashire boiler is about ___ that of its shell.

One-half
Two-fifth
One-third
One-fourth

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