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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
Curtis turbine is a

Velocity compounded turbine
Simple reaction turbine
Pressure compounded turbine
Pressure-velocity compounded turbine

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Steam Boilers, Engines, Nozzles and Turbines
Which of the following boiler works on a forced circulation of water?

Benson boiler
All of these
Lamont boiler
Loeffler boiler

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

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

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

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

17 kg/cm²
100 kg/cm²
6 kg/cm
1 kg/cm

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

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

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