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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
A stage, in reaction turbine, is represented by

Each row of blades
Number of exits of steam
Number of entries of steam
Number of casing

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Steam Boilers, Engines, Nozzles and Turbines
The steam enters the nozzle at a

Low pressure and a low velocity
High pressure and a high velocity
Low pressure and a high velocity
High pressure and a low velocity

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Steam Boilers, Engines, Nozzles and Turbines
Pulverized fuel is used for

Medium sized units
Less radiation loss
Better burning
More calorific value

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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

0.007 bar
0.053 bar
0.06 bar
0.067 bar

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

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

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Steam Boilers, Engines, Nozzles and Turbines
Which of the following are boiler accessories?

Superheater
Economizer
None of these
Both (A) and (B)

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