Engineering Thermodynamics Which of the following statement is correct according to Clausis statement of second law of thermodynamics? It is possible to transfer heat from a body at a lower temperature to a body at a higher temperature by using refrigeration cycle. It is impossible to transfer heat from a body at a lower temperature to a body at a higher temperature, without the aid of an external source. It is possible to transfer heat from a body at a lower temperature to a body at a higher temperature. None of these It is possible to transfer heat from a body at a lower temperature to a body at a higher temperature by using refrigeration cycle. It is impossible to transfer heat from a body at a lower temperature to a body at a higher temperature, without the aid of an external source. It is possible to transfer heat from a body at a lower temperature to a body at a higher temperature. None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Those substances which have so far not been resolved by any means into other substances of simpler form are called Compounds Atoms Elements Molecules Compounds Atoms Elements Molecules ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The efficiency of Carnot cycle depends upon Pressure ratio Volume compression ratio Cut-off ratio and compression ratio Temperature limits Pressure ratio Volume compression ratio Cut-off ratio and compression ratio Temperature limits ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The entropy __________ in an irreversible cyclic process. Decreases Increases None of these Remains constant Decreases Increases None of these Remains constant ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The specific heat of air increases with increase in Pressure Both pressure and temperature Temperature Variation of its constituents Pressure Both pressure and temperature Temperature Variation of its constituents ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The heat absorbed or rejected by the working substance is given by (where ds = Increase or decrease of entropy, T = Absolute temperature, and dQ = Heat absorbed or rejected) δQ = T/ds None of the listed here dQ = ds/T δQ = T.ds δQ = T/ds None of the listed here dQ = ds/T δQ = T.ds ANSWER DOWNLOAD EXAMIANS APP
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