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. Change Do not change Both (A) and (B) None of these Change Do not change Both (A) and (B) None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The efficiency of Diesel cycle with decrease in cut-off First increases and then decreases First decreases and then increases Decreases Increases First increases and then decreases First decreases and then increases Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The general law of expansion or compression is pvn = C, The process is said to be hyperbolic, if n is equal to 1 ∝ γ 1 ∝ γ ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The universal gas constant (or molar constant) of a gas is the product of Molecular mass of the gas and the gas constant Atomic mass of the gas and the gas constant Molecular mass of the gas and the specific heat at constant volume Molecular mass of the gas and the specific heat at constant pressure Molecular mass of the gas and the gas constant Atomic mass of the gas and the gas constant Molecular mass of the gas and the specific heat at constant volume Molecular mass of the gas and the specific heat at constant pressure ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The pressure exerted by an ideal gas is ________ of the kinetic energy of all the molecules contained in a unit volume of gas. Three-forth One-third Two-third One-half Three-forth One-third Two-third One-half ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics If a system after undergoing a series of processes, returns to the initial state then Process is executed in closed system cycle Its entropy will change due to irreversibility Sum of heat and work transfer will be zero Process is thermodynamically in equilibrium Process is executed in closed system cycle Its entropy will change due to irreversibility Sum of heat and work transfer will be zero Process is thermodynamically in equilibrium ANSWER DOWNLOAD EXAMIANS APP