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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
A binary vapor plant consists of

Steam condenser
Steam turbine
All of the listed here
Mercury boiler

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Steam Boilers, Engines, Nozzles and Turbines
Equivalent evaporation is the amount of water evaporated in a boiler from and at

100°C
Room temperature
0°C
Saturation temperature at given pressure

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Steam Boilers, Engines, Nozzles and Turbines
The efficiency of reaction turbine is maximum when (where α = Angle made by the absolute velocity ‘V’ at inlet)

Vb = 0.5 V² cosα
Vb = 0.5 V cosα
Vb = V cos α
Vb = V² cos α

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Steam Boilers, Engines, Nozzles and Turbines
A condenser where circulating water flows through tubes which are surrounded by steam, in known as

Evaporative condenser
Surface condenser
Jet condenser
Barometric condenser

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Steam Boilers, Engines, Nozzles and Turbines
The evaporation of 15.653 kg of water per hour from and at 100°C is called

Evaporative capacity
Equivalent evaporation
One boiler h.p.
Factor of evaporation

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Steam Boilers, Engines, Nozzles and Turbines
The high pressure and low pressure cylinders in a receiver type compound engine are regarded as having cranks

0° to each other
180° to each other
None of these
90° to each other

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