Engineering Thermodynamics The heat energy stored in the gas and used for raising the temperature of the gas is known as Molecular energy Internal energy Kinetic energy External energy Molecular energy Internal energy Kinetic energy External energy ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics According to Regnault's law, the specific heat at constant pressure (cp) and specific heat at constant volume (cv) _________ with the change in pressure and temperature of the gas. None of these Both (A) and (B) Do not change Change None of these Both (A) and (B) Do not change Change ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following is the extensive property of a thermodynamic system? Temperature Volume Pressure Density Temperature Volume Pressure Density ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A process, in which the temperature of the working substance remains constant during its expansion or compression, is called Isothermal process Adiabatic process Polytropic process Hyperbolic process Isothermal process Adiabatic process Polytropic process Hyperbolic process ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The condition for the reversibility of a cycle is All the processes, taking place in the cycle of operation, must be extremely slow All of these 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 the processes, taking place in the cycle of operation, must be extremely slow All of these 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 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The compression ratio for Diesel engines is 5 to 8 15 to 20 20 to 30 3 to 6 5 to 8 15 to 20 20 to 30 3 to 6 ANSWER DOWNLOAD EXAMIANS APP