Engineering Thermodynamics A perpetual motion machine is A hypothetical machine whose operation would violate the laws of thermodynamics A non-thermodynamic machine A thermodynamic machine A hypothetical machine A hypothetical machine whose operation would violate the laws of thermodynamics A non-thermodynamic machine A thermodynamic machine A hypothetical machine ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics For a thermodynamic process to be reversible, the temperature difference between hot body and working substance should be Minimum Infinity Zero Maximum Minimum Infinity Zero Maximum ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following statement is correct according to Clausis statement of second law of thermodynamics? None of these It is possible to transfer heat from a body at a lower temperature to a body at a higher temperature. 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. None of these It is possible to transfer heat from a body at a lower temperature to a body at a higher temperature. 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. ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A series of operations, which takes place in a certain order and restore the initial conditions at the end, is known as Irreversible cycle Thermodynamic cycle None of these Reversible cycle Irreversible cycle Thermodynamic cycle None of these Reversible cycle ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The hard coke is obtained when carbonization of coal is carried out at 900° to 1100°C 700° to 900°C 300° to 500°C 500° to 700°C 900° to 1100°C 700° to 900°C 300° to 500°C 500° to 700°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The index of compression ‘n’ tends to reach ratio of specific heats ‘y’ when Process is isothermal Process is isentropic and specific heat does not change with temperature Flow is uniform and steady Process is isentropic Process is isothermal Process is isentropic and specific heat does not change with temperature Flow is uniform and steady Process is isentropic ANSWER DOWNLOAD EXAMIANS APP
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