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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
In a 50% reaction turbine stage, tangential component of absolute velocity at rotor inlet is 537 m/s and the blade velocity is 454 m/s. The power output in kW of steam will be

282 kW
296 kW
260 kW
302 kW

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Steam Boilers, Engines, Nozzles and Turbines
The radius of a dished head is taken approximately as

Two
One
Half
One fourth

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Steam Boilers, Engines, Nozzles and Turbines
The dry saturated steam at very high pressure (150200 kg/cm²) when throttled to atmosphere will become

Dry
Wet
Remain dry saturated
Superheated

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Steam Boilers, Engines, Nozzles and Turbines
The fire tubes in a Cochran boiler usually have _________ diameter.

6.25 mm
92.5 mm
72.5 mm
62.5 mm

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

All of these
Benson boiler
Loeffler boiler
Lamont boiler

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

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

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