Engineering Thermodynamics Which of the following is the extensive property of a thermodynamic system? Temperature Density Pressure Volume Temperature Density Pressure Volume ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The ratio of specific heat at constant pressure (cp) and specific heat at constant volume (cv) is Greater than one Equal to one Less than one None of these Greater than one Equal to one Less than one None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The efficiency of the Carnot cycle may be increased by Keeping the lowest temperature constant Increasing the lowest temperature Increasing the highest temperature Decreasing the highest temperature Keeping the lowest temperature constant Increasing the lowest temperature Increasing the highest temperature Decreasing the highest temperature ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The polytropic index (n) is given by log (p2/ p1)/log (v1/ v2) log (v1/ v2)/ log (p1/p2) log (p1p2)/log (v1v2) log [(p1v1)/(p2v2)] log (p2/ p1)/log (v1/ v2) log (v1/ v2)/ log (p1/p2) log (p1p2)/log (v1v2) log [(p1v1)/(p2v2)] ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics According to First law of thermodynamics, Total internal energy of a system during a process remains constant Work-done by a system is equal to the heat transferred by the system Internal energy, enthalpy and entropy during a process remain constant Total energy of a system remains constant Total internal energy of a system during a process remains constant Work-done by a system is equal to the heat transferred by the system Internal energy, enthalpy and entropy during a process remain constant Total energy of a system remains constant ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A path 1-2-3 is given. A system absorbs 100 kJ as heat and does 60 kJ of work while along the path 1-4-3, it does 20 kJ of work. The heat absorbed during the cycle 1-4-3 is +60 kJ -140 kJ -80 kJ -40 kJ +60 kJ -140 kJ -80 kJ -40 kJ ANSWER DOWNLOAD EXAMIANS APP