Engineering Thermodynamics
Carnot cycle efficiency is maximum when

Initial temperature is 0°K
Final temperature is 0°K
Final temperature is 0°C
Difference between initial and final temperature is 0°K

ANSWER DOWNLOAD EXAMIANS APP

Engineering Thermodynamics
In order that a cycle be reversible, following must be satisfied

Free expansion or friction resisted expansion/compression process should not be encountered
When heat is being absorbed, temperature of hot source and working substance should be same
When beat is being rejected, temperature of cold source and working substance should be same
All of these

ANSWER DOWNLOAD EXAMIANS APP