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Mechanical Engineering Engineering Thermodynamics Difficulty: Medium

In a stress-strain diagram as shown in the below figure, the curve 'A' represents The C.O.P. of a heat pump working on a reversed Carnot cycle is The bypass factor (B.P.F.) in case of sensible heating of air is (Where td 1 = Dry bulb temperature of air entering the heating coil, td 2 = Dry bulb temperature of air leaving the heating coil and td 3 = Dry bulb temperature of heating coil) An under-inflated tyre will wear the tread most The mechanism in which two are turning pairs and two are sliding pairs, is called a