Engineering Thermodynamics An isolated system is one in which Both energy and mass cross the boundaries of the system Neither mass nor energy crosses the boundaries of the system Mass crosses the boundary but not the energy Mass does not cross boundaries of the system, though energy may do so Both energy and mass cross the boundaries of the system Neither mass nor energy crosses the boundaries of the system Mass crosses the boundary but not the energy Mass does not cross boundaries of the system, though energy may do so ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics An open cycle gas turbine works on Stirling cycle Carnot cycle Otto cycle Joule's cycle Stirling cycle Carnot cycle Otto cycle Joule's cycle ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The ___ is obtained when carbonization of coal is carried out at 500° to 700° C. Hard coal Bituminous coal Pulverized coal Soft coal Hard coal Bituminous coal Pulverized coal Soft coal ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The change of entropy, when heat is absorbed by the gas, is Positive Negative Positive or negative None of these Positive Negative Positive or negative None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics First law of thermodynamics furnishes the relationship between Heat and work Heat, work and properties of the system Various thermodynamic processes Various properties of the system Heat and work Heat, work and properties of the system Various thermodynamic processes Various properties of the system ANSWER DOWNLOAD EXAMIANS APP
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