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

320/3 m/s

640 m/s

640/3 m/s

160/3 m/s

320/3 m/s

640 m/s

640/3 m/s

160/3 m/s

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Steam Boilers, Engines, Nozzles and Turbines
The function of a valve rod is

To provide reciprocating motion to the slide valve

To convert rotary motion of the crankshaft into to and fro motion of the valve rod

To convert reciprocating motion of the piston into rotary motion of the crank

To provide simple harmonic motion to the D-slide valve

To provide reciprocating motion to the slide valve

To convert rotary motion of the crankshaft into to and fro motion of the valve rod

To convert reciprocating motion of the piston into rotary motion of the crank

To provide simple harmonic motion to the D-slide valve

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Steam Boilers, Engines, Nozzles and Turbines
The best suited coal for chain or traveling grate stoker boiler is

High sulphur coal

Pulverized coal

Coking coal

Non-coking or free burning coal

High sulphur coal

Pulverized coal

Coking coal

Non-coking or free burning coal

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

None of these

Both (A) and (B)

Economizer

Superheater

None of these

Both (A) and (B)

Economizer

Superheater

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Steam Boilers, Engines, Nozzles and Turbines
Throttle governing of steam engines is a method of controlling the engine output by varying

All of these

Temperature of intake steam

Pressure of intake steam

Volume of intake steam

All of these

Temperature of intake steam

Pressure of intake steam

Volume of intake steam

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Steam Boilers, Engines, Nozzles and Turbines
At very low temperature, the melting and boiling temperatures become equal. This temperature is

373°K

273.16°K

303°K

0°K

373°K

273.16°K

303°K

0°K

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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 function of a valve rod is

Steam Boilers, Engines, Nozzles and Turbines The best suited coal for chain or traveling grate stoker boiler is

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

Steam Boilers, Engines, Nozzles and Turbines Throttle governing of steam engines is a method of controlling the engine output by varying

Steam Boilers, Engines, Nozzles and Turbines At very low temperature, the melting and boiling temperatures become equal. This temperature is

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 function of a valve rod is

Steam Boilers, Engines, Nozzles and Turbines
The best suited coal for chain or traveling grate stoker boiler is

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

Steam Boilers, Engines, Nozzles and Turbines
Throttle governing of steam engines is a method of controlling the engine output by varying

Steam Boilers, Engines, Nozzles and Turbines
At very low temperature, the melting and boiling temperatures become equal. This temperature is