Engineering Thermodynamics On volume basis, air contains following parts of oxygen 23 21 77 25 23 21 77 25 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics If a system after undergoing a series of processes, returns to the initial state then Sum of heat and work transfer will be zero Its entropy will change due to irreversibility Process is thermodynamically in equilibrium Process is executed in closed system cycle Sum of heat and work transfer will be zero Its entropy will change due to irreversibility Process is thermodynamically in equilibrium Process is executed in closed system cycle ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The kinetic energy per kg molecule of any gas at absolute temperature T is equal to (where Ru = Universal gas constant) 3 Ru × T Ru × T 2 Ru × T 1.5 Ru × T 3 Ru × T Ru × T 2 Ru × T 1.5 Ru × T ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The specific heat at constant volume is The amount of heat required to raise the temperature of unit mass of gas through one degree, at constant pressure The amount of heat required to raise the temperature of 1 kg of water through one degree The amount of heat required to raise the temperature of unit mass of gas through one degree, at constant volume Any one of the above The amount of heat required to raise the temperature of unit mass of gas through one degree, at constant pressure The amount of heat required to raise the temperature of 1 kg of water through one degree The amount of heat required to raise the temperature of unit mass of gas through one degree, at constant volume Any one of the above ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics If in the equation pvn = C, the value of n = ∝, then the process is called Isothermal process Constant volume process Adiabatic process Constant pressure process Isothermal process Constant volume process Adiabatic process Constant pressure process ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The ideal efficiency of a Brayton cycle with regeneration, with increase in pressure ratio will Remain unchanged Increase/decrease depending on application Decrease Increase Remain unchanged Increase/decrease depending on application Decrease Increase ANSWER DOWNLOAD EXAMIANS APP