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Mechanical Engineering Refrigeration And Air Conditioning Difficulty: Medium

The Freon group of refrigerants are

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Blading efficiency is also known as 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 In piercing operation, the clearance is provided on The ratio of total useful heat drop to the total isentropic heat drop, is called The extremities of any diameter on Mohr's circle represent