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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
Alkaline pyrogallate is used in Orsat's apparatus for absorption of

CO
O₂
N₂
CO₂

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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 basic purpose of drum in boiler is to

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

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Steam Boilers, Engines, Nozzles and Turbines
The flow of steam is supersonic

At the entrance to the nozzle
In the divergent portion of the nozzle
In the convergent portion of the nozzle
At the throat of the nozzle

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Steam Boilers, Engines, Nozzles and Turbines
The water tubes in a Babcock and Wilcox boiler are

Inclined
Horizontal and inclined
Horizontal
Vertical

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Steam Boilers, Engines, Nozzles and Turbines
The diameter of superheated tubes in a locomotive boiler is

31 mm
13 mm
230 mm
130 mm

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