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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
Fire tube boilers are limited to a maximum working pressure of

17 MN/m²
1.7 MN/m²
170 MN/m²
0.17 MN/m²

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Steam Boilers, Engines, Nozzles and Turbines
A condenser where circulating water flows through tubes which are surrounded by steam, in known as

Barometric condenser
Evaporative condenser
Surface condenser
Jet condenser

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Steam Boilers, Engines, Nozzles and Turbines
In a steam condenser, the partial pressure of steam and air are 0.06 bar and 0.007 bar respectively. The condenser pressure is

0.053 bar
0.007 bar
0.067 bar
0.06 bar

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Steam Boilers, Engines, Nozzles and Turbines
Presence of moisture in fuel oil would

Aid in proper combustion
Because sputtering, possibly extinguishing flame
Clean the nozzles
Keep the burner tips cool

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

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

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Steam Boilers, Engines, Nozzles and Turbines
The diameter of cylindrical shell of the Lancashire boiler is of the order of

1.75 to 2.75 m
1 to 1.75 m
1 to 1.25 m
2 to 4 m

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MORE MCQ ON Steam Boilers, Engines, Nozzles and Turbines

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