Engineering Thermodynamics The condition for the reversibility of a cycle is The pressure and temperature of the working substance must not differ, appreciably, from those of the surroundings at any stage in the process All of these All the processes, taking place in the cycle of operation, must be extremely slow The working parts of the engine must be friction free The pressure and temperature of the working substance must not differ, appreciably, from those of the surroundings at any stage in the process All of these All the processes, taking place in the cycle of operation, must be extremely slow The working parts of the engine must be friction free 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 All of these 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 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 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Kinetic theory of gases assumes that the collisions between the molecules are Partly inelastic Perfectly elastic Partly elastic Perfectly inelastic Partly inelastic Perfectly elastic Partly elastic Perfectly inelastic ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The ratio of two specific heats of air is equal to 0.17 0.24 0.1 1.41 0.17 0.24 0.1 1.41 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The volumetric or molar specific heat at constant pressure is the product of Atomic mass of the gas and the gas constant None of the listed here Molecular mass of the gas and the specific heat at constant volume Molecular mass of the gas and the gas constant Atomic mass of the gas and the gas constant None of the listed here Molecular mass of the gas and the specific heat at constant volume Molecular mass of the gas and the gas constant ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The throttling process is __________ process. Reversible Reversible or irreversible None of these Irreversible Reversible Reversible or irreversible None of these Irreversible ANSWER DOWNLOAD EXAMIANS APP