Engineering Thermodynamics The polytropic index (n) is given by log (p2/ p1)/log (v1/ v2) log [(p1v1)/(p2v2)] log (p1p2)/log (v1v2) log (v1/ v2)/ log (p1/p2) log (p2/ p1)/log (v1/ v2) log [(p1v1)/(p2v2)] log (p1p2)/log (v1v2) log (v1/ v2)/ log (p1/p2) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following is not the intensive property? Temperature Heat Density Pressure Temperature Heat Density Pressure ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics If both Stirling and Carnot cycles operate within the same temperature limits, then efficiency of Stirling cycle as compared to Carnot cycle Equal Depends on other factors More Less Equal Depends on other factors More Less ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Otto cycle consists of following four processes Two isentropic, one constant volume and one constant pressure Two isentropic and two constant pressures Two isentropic and two constant volumes Two isothermal and two isentropic Two isentropic, one constant volume and one constant pressure Two isentropic and two constant pressures Two isentropic and two constant volumes Two isothermal and two isentropic ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics If a certain amount of dry ice is mixed with same amount of water at 80°C, the final temperature of mixture will be 80°C 0°C 40°C 20°C 80°C 0°C 40°C 20°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The efficiency of Carnot cycle depends upon Temperature limits Volume compression ratio Pressure ratio Cut-off ratio and compression ratio Temperature limits Volume compression ratio Pressure ratio Cut-off ratio and compression ratio ANSWER DOWNLOAD EXAMIANS APP