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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
The efficiency of the plant __________ with the mechanical draught.

Decreases
None of these
Increases
Remains constant

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

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

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Steam Boilers, Engines, Nozzles and Turbines
The shell diameter and length of locomotive boiler are

1.5 m, 6 m
2 m, 4 m
1.5 m, 4 m
1 m, 4 m

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Steam Boilers, Engines, Nozzles and Turbines
The heat loss in a boiler takes place in the form of

Heat carried away by flue gases
Heat carried away by ash
All of these
Moisture present in fuel and steam formed by combustion of hydrogen in fuel

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Steam Boilers, Engines, Nozzles and Turbines
If a steam sample is nearly in dry condition, then its dryness fraction can be most accurately determined by

Separating calorimeter
Combined separating and throttling calorimeter
Bucket calorimeter
Throttling calorimeter

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Steam Boilers, Engines, Nozzles and Turbines
The impulse reaction turbine has its driving force

As a reaction force
As an impulsive force
None of the listed here
Partly as an impulsive force and partly as a reaction force

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