Mechanical Engineering :: Heat Transfer,Refrigeration and Air Conditioning
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The superheated vapour region, in a pressure enthalpy chart, is represented by the space
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The minimum temperature to which water can be cooled in a cooling tower is
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The index which corelates the combined effects of air temperature, relative humidity and air velocity on the human body, is known as
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The ratio of Nusselt number and the product of Reynold's number and Prandtl number is equal to
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The alignment circle is marked on the psychrometric chart at
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The C.O.P. of a Carnot refrigerator in winter will be __________ as compared to C.O.P. in summer.
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Which of the following statement is correct?
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When the temperature of the surrounding is higher than the temperature of the body, then the heat loss by convection from the body to the surrounding will be
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If a gas is to be liquified, its temperature must be
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The thermostatic expansion valve is used in __________ type of evaporators.
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