Engineering Thermodynamics Which of the following statement is correct according to Clausis statement of second law of thermodynamics? 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 by using refrigeration cycle. 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 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 by using refrigeration cycle. 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 The efficiency of a Carnot engine depends on Working substance Design of engine Size of engine Temperatures of source and sink Working substance Design of engine Size of engine Temperatures of source and sink ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The value of specific heat at constant pressure (cp) is __________ that of at constant volume (cv). None of these Equal to More than Less than None of these Equal to More than Less than ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The ratio of specific heat at constant pressure (cp) and specific heat at constant volume (cv) is Less than one None of these Greater than one Equal to one Less than one None of these Greater than one Equal to one ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The pressure of a gas in terms of its mean kinetic energy per unit volume 'E' is equal to E/2 3E/4 E/3 2E/3 E/2 3E/4 E/3 2E/3 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The value of n = 1 in the polytropic process indicates it to be Irreversible process Isothermal process Reversible process Adiabatic process Irreversible process Isothermal process Reversible process Adiabatic process ANSWER DOWNLOAD EXAMIANS APP