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Mechanical Engineering · all questions

Refrigeration And Air Conditioning
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The index which correlates the combined effects of air temperature, relative humidity and air velocity on the human body, is known as

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The mass of water vapour present in __________ is called absolute humidity.

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An Electrolux refrigerator is called a _________ absorption system.

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For unsaturated air, the dew point temperature is __________ wet bulb temperature.

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As relative humidity decreases, the dew point temperature will be ________ wet bulb temperature.

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The wet bulb temperature at 100% relative humidity is ________ dry bulb temperature.

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In a reversed Brayton cycle, the heat is absorbed by the air during

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The curved lines on a psychrometric chart indicates

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The horizontal and non-uniformly spaced lines on a psychrometric chart indicates

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The vertical and uniformly spaced lines on a psychrometric chart indicates

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The bank of tubes at the back of domestic refrigerator is

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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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Carbon dioxide is

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On the pressure-enthalpy diagram, condensation and desuperheating is represented by a horizontal line because the process

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The humidification process, on the psychrometric chart is shown by

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For better C.O.P of refrigerator, the pressure range corresponding to temperature in evaporator and condenser must be

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Choose the correct statement

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The C.O.P. of a heat pump working on a reversed Carnot cycle is

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Critical pressure of a liquid is the pressure

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In a pressure enthalpy chart, the space to the left of the saturated liquid line represents

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