Question Category: Mechanical Engineering

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Relative humidity is given by (where pv = Partial pressure of water vapour, pb = Barometric pressure, ps = Pressure of saturated air, pd = Pressure at dry bulb temperature, pw = Saturation pressure corresponding to wet bulb temperature, and μ = Degree of saturation)
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A refrigeration cycle operates between condenser temperature of + 27°C and evaporator temperature of -23°C. The Carnot coefficient of performance of cycle will be
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The alignment circle is marked on the psychrometric chart at
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The C.O.P. of a refrigeration cycle with lowering of condenser temperature, keeping the evaporator temperature constant, will
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The specific humidity during dehumidification process
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The advantage of dry compression is that
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Air conditioning means
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Aqua ammonia is used as refrigerant in the following type of refrigeration system
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A heat pump working on a reversed Carnot cycle has a C.O.P. of 5. It works as a refrigerator taking 1 kW of work input. The refrigerating effect will be
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Vapour compression refrigeration is somewhat like
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