In a Parson's turbine stage, blade velocity is 320 m/s at the mean radius and rotor blade exit angle is 30°. For minimum kinetic energy of the steam leaving the stage, the steam velocity at the exit of the rotor will be

Steam Boilers, Engines, Nozzles and Turbines
In a Parson's turbine stage, blade velocity is 320 m/s at the mean radius and rotor blade exit angle is 30°. For minimum kinetic energy of the steam leaving the stage, the steam velocity at the exit of the rotor will be

160/3 m/s

640/3 m/s

640 m/s

320/3 m/s

160/3 m/s

640/3 m/s

640 m/s

320/3 m/s

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Steam Boilers, Engines, Nozzles and Turbines
The value of diagram factor depends upon

Initial conditions of steam

Back pressure

All of these

Initial pressure of steam

Initial conditions of steam

Back pressure

All of these

Initial pressure of steam

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Steam Boilers, Engines, Nozzles and Turbines
Sulphur content of fuels is very important to the plant operators because it

Retards electric precipitation

Has high heating value

Promotes complete combustion

Has highly corrosive effect

Retards electric precipitation

Has high heating value

Promotes complete combustion

Has highly corrosive effect

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Steam Boilers, Engines, Nozzles and Turbines
Heating of dry steam above saturation temperature is known as

Superheating

Super saturation

Enthalpy

Latent heat

Superheating

Super saturation

Enthalpy

Latent heat

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Steam Boilers, Engines, Nozzles and Turbines
When the speed of the crankshaft is between 100 r.p.m. and 250 r.p.m., the engine said to be a

None of the listed here

Medium speed steam engine

High speed steam engine

Slow speed engine

None of the listed here

Medium speed steam engine

High speed steam engine

Slow speed engine

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Steam Boilers, Engines, Nozzles and Turbines
In a nozzle, the effect of super-saturation is to

Decrease dryness fraction of steam

Increase the heat drop

Decrease specific volume of steam

Increase the entropy

Decrease dryness fraction of steam

Increase the heat drop

Decrease specific volume of steam

Increase the entropy

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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines In a Parson's turbine stage, blade velocity is 320 m/s at the mean radius and rotor blade exit angle is 30°. For minimum kinetic energy of the steam leaving the stage, the steam velocity at the exit of the rotor will be

Steam Boilers, Engines, Nozzles and Turbines The value of diagram factor depends upon

Steam Boilers, Engines, Nozzles and Turbines Sulphur content of fuels is very important to the plant operators because it

Steam Boilers, Engines, Nozzles and Turbines Heating of dry steam above saturation temperature is known as

Steam Boilers, Engines, Nozzles and Turbines When the speed of the crankshaft is between 100 r.p.m. and 250 r.p.m., the engine said to be a

Steam Boilers, Engines, Nozzles and Turbines In a nozzle, the effect of super-saturation is to

Steam Boilers, Engines, Nozzles and Turbines
In a Parson's turbine stage, blade velocity is 320 m/s at the mean radius and rotor blade exit angle is 30°. For minimum kinetic energy of the steam leaving the stage, the steam velocity at the exit of the rotor will be

Steam Boilers, Engines, Nozzles and Turbines
The value of diagram factor depends upon

Steam Boilers, Engines, Nozzles and Turbines
Sulphur content of fuels is very important to the plant operators because it

Steam Boilers, Engines, Nozzles and Turbines
Heating of dry steam above saturation temperature is known as

Steam Boilers, Engines, Nozzles and Turbines
When the speed of the crankshaft is between 100 r.p.m. and 250 r.p.m., the engine said to be a

Steam Boilers, Engines, Nozzles and Turbines
In a nozzle, the effect of super-saturation is to