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Steam Boilers, Engines, Nozzles and Turbines

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

Back pressure
Initial pressure of steam
Initial conditions of steam
All of these

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Steam Boilers, Engines, Nozzles and Turbines
There is always some steam left in the clearance space from the previous stroke. This steam left in the clearance space is called

Saturated steam
Wet steam
Cushion steam
Superheated steam

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Steam Boilers, Engines, Nozzles and Turbines
Lancashire boiler is a

Stationary fire tube boiler
Water tube boiler with natural/forced circulation
Mobile fire tube boiler
Stationary water tube boiler

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Steam Boilers, Engines, Nozzles and Turbines
The high pressure boiler is one, which produces steam at a pressure more than

7580 kg/cm²
10 kg/cm²
5 kg/cm²
Atmospheric pressure

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Steam Boilers, Engines, Nozzles and Turbines
The ratio of the work-done on the blades per kg of steam to the total energy supplied per stage per kg of steam is called

Blading efficiency
Stage efficiency
Mechanical efficiency
Nozzle efficiency

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Steam Boilers, Engines, Nozzles and Turbines
The diameter of fire tubes in Cochran boiler is of the order of

6 cm
12 cm
8 cm
2 cm

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MORE MCQ ON Steam Boilers, Engines, Nozzles and Turbines

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