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

640 m/s

160/3 m/s

320/3 m/s

640/3 m/s

640 m/s

160/3 m/s

320/3 m/s

640/3 m/s

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Steam Boilers, Engines, Nozzles and Turbines
The performance of a boiler is measured by the

Steam produced in kg/h

Steam produced in kg/kg of fuel burnt

All of the listed here

Amount of water evaporated per hour

Steam produced in kg/h

Steam produced in kg/kg of fuel burnt

All of the listed here

Amount of water evaporated per hour

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Steam Boilers, Engines, Nozzles and Turbines
A compound steam engine in which piston rods of high pressure and low pressure cylinders are attached to two different cranks set at 90° to each other, is called

Receiver type compound engine

Both (A) and (B)

Tandem type compound engine

Woolf type compound engine

Receiver type compound engine

Both (A) and (B)

Tandem type compound engine

Woolf type compound engine

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Steam Boilers, Engines, Nozzles and Turbines
The density of supersaturated steam is about __________ that of the ordinary saturated vapor at the corresponding pressure.

2 times

4 times

Same as

8 times

2 times

4 times

Same as

8 times

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Steam Boilers, Engines, Nozzles and Turbines
The supersaturated flow of steam through a nozzle as compared to a stable flow, the available heat drop

Increases

Remains the same

Is unpredictable

Decreases

Increases

Remains the same

Is unpredictable

Decreases

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Steam Boilers, Engines, Nozzles and Turbines
The increase in pressure

Raises the boiling point of a liquid

Reduces its volume

Does not affects the boiling point of a liquid

Lowers the boiling point of a liquid

Raises the boiling point of a liquid

Reduces its volume

Does not affects the boiling point of a liquid

Lowers the boiling point of a liquid

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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 performance of a boiler is measured by the

Steam Boilers, Engines, Nozzles and Turbines A compound steam engine in which piston rods of high pressure and low pressure cylinders are attached to two different cranks set at 90° to each other, is called

Steam Boilers, Engines, Nozzles and Turbines The density of supersaturated steam is about __________ that of the ordinary saturated vapor at the corresponding pressure.

Steam Boilers, Engines, Nozzles and Turbines The supersaturated flow of steam through a nozzle as compared to a stable flow, the available heat drop

Steam Boilers, Engines, Nozzles and Turbines The increase in pressure

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 performance of a boiler is measured by the

Steam Boilers, Engines, Nozzles and Turbines
A compound steam engine in which piston rods of high pressure and low pressure cylinders are attached to two different cranks set at 90° to each other, is called

Steam Boilers, Engines, Nozzles and Turbines
The density of supersaturated steam is about __________ that of the ordinary saturated vapor at the corresponding pressure.

Steam Boilers, Engines, Nozzles and Turbines
The supersaturated flow of steam through a nozzle as compared to a stable flow, the available heat drop

Steam Boilers, Engines, Nozzles and Turbines
The increase in pressure