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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
Which of the following is not a boiler mounting?

Fusible plug
Economiser
Blow off cock
Feed check valve

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

Remove salts from water
Separate steam 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
In a steam engine, superheated steam from the boiler is fed into the steam chest at a pressure of

40 atmospheres
10 atmospheres
20 atmospheres
30 atmospheres

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Steam Boilers, Engines, Nozzles and Turbines
In a reaction turbine when the degree of reaction is zero, then there is

No heat drop in fixed blades
Maximum heat drop in fixed blades
Maximum heat drop in moving blades
No heat drop in moving blades

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Steam Boilers, Engines, Nozzles and Turbines
The amount of water evaporated from feed water at _________ into dry and saturated steam at 100° C at normal atmospheric pressure is called equivalent evaporation from and at 100° C.

0°C
60°C
100°C
40°C

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Steam Boilers, Engines, Nozzles and Turbines
The pressure of reheat steam after passing through reheater compared to inlet condition is

More
May be more or less depending on capacity of reheater
Less
Equal

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