Engineering Thermodynamics The atomic mass of nitrogen is __________ oxygen. None of these More than Equal to Less than None of these More than Equal to Less than ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics For a thermodynamic process to be reversible, the temperature difference between hot body and working substance should be Zero Maximum Infinity Minimum Zero Maximum Infinity Minimum ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following cycles has maximum efficiency? Stirling Rankine Brayton Carnot Stirling Rankine Brayton Carnot ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics An adiabatic process is one in which The temperature of the gas changes The change in internal energy is equal to the mechanical work done No heat enters or leaves the gas All of these The temperature of the gas changes The change in internal energy is equal to the mechanical work done No heat enters or leaves the gas All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics In order that a cycle be reversible, following must be satisfied 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 Free expansion or friction resisted expansion/compression process should not be encountered All of these 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 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 Charles' law Joule's law Boyle's law Gay-Lussac law Charles' law Joule's law Boyle's law ANSWER DOWNLOAD EXAMIANS APP