Engineering Thermodynamics In order that a cycle be reversible, following must be satisfied When beat is being rejected, temperature of cold source and working substance should be same When heat is being absorbed, temperature of hot source and working substance should be same Free expansion or friction resisted expansion/compression process should not be encountered All of these When beat is being rejected, temperature of cold source and working substance should be same When heat is being absorbed, temperature of hot source and working substance should be same Free expansion or friction resisted expansion/compression process should not be encountered All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics All perfect gases change in volume by 1/273th of its original volume at 0°C for every 1°C change in temperature, when the pressure remains constant. This statement is called Gay-Lussac law Boyle's law Charles' law Joule's law Gay-Lussac law Boyle's law Charles' law Joule's law ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics First law of thermodynamics Does not enable to determine change in entropy All of these Enables to determine change in internal energy of the system Provides relationship between heat, work and internal energy Does not enable to determine change in entropy All of these Enables to determine change in internal energy of the system Provides relationship between heat, work and internal energy ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Compressed air coming out from a punctured football May become hotter or cooler depending upon the humidity of the surrounding air Becomes cooler Remains at the same temperature Becomes hotter May become hotter or cooler depending upon the humidity of the surrounding air Becomes cooler Remains at the same temperature Becomes hotter ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Calorie is a measure of Quantity of heat Specific heat Entropy Thermal capacity Quantity of heat Specific heat Entropy Thermal capacity ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The ratio of specific heat at constant pressure (cp) and specific heat at constant volume (cv) is Less than one Equal to one Greater than one None of these Less than one Equal to one Greater than one None of these ANSWER DOWNLOAD EXAMIANS APP