Engineering Thermodynamics The air standard efficiency of an Otto cycle is given by (where r = Compression ratio, and γ = Ratio of specific heats) 1 + rγ - 1 1 - rγ - 1 1 + (1/ rγ - 1) 1 - (1/ rγ - 1) 1 + rγ - 1 1 - rγ - 1 1 + (1/ rγ - 1) 1 - (1/ rγ - 1) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics During throttling process Heat exchange does not take place There is no change of internal energy of steam No work is done by expanding steam All of these Heat exchange does not take place There is no change of internal energy of steam No work is done by expanding steam All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which is the incorrect statement about Carnot cycle? All the heat engines are based on Carnot cycle It is used as the alternate standard of comparison of all heat engines All of these It provides concept of maximising work output between the two temperature limits All the heat engines are based on Carnot cycle It is used as the alternate standard of comparison of all heat engines All of these It provides concept of maximising work output between the two temperature limits ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Carnot cycle efficiency is maximum when Difference between initial and final temperature is 0°K Final temperature is 0°C Initial temperature is 0°K Final temperature is 0°K Difference between initial and final temperature is 0°K Final temperature is 0°C Initial temperature is 0°K Final temperature is 0°K ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Work done in a free expansion process is Minimum Maximum Positive Zero Minimum Maximum Positive Zero ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Specific heat of air at constant pressure is equal to 0.24 1 0.21 0.17 0.24 1 0.21 0.17 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS