Engineering Thermodynamics If in the equation pvn = C, the value of n = ∝, then the process is called Constant pressure process Adiabatic process Constant volume process Isothermal process Constant pressure process Adiabatic process Constant volume process Isothermal process ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following has the minimum atomic mass? Sulphur Oxygen Carbon Nitrogen Sulphur Oxygen Carbon Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The value of the product of molecular weight and the gas characteristic constant for all the gases in S.I. units is 83.14 J/kmol °K 29.27 J/kmol °K 848 J/kmol °K 735 J/kmol °K 83.14 J/kmol °K 29.27 J/kmol °K 848 J/kmol °K 735 J/kmol °K ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics For reversible adiabatic process, change in entropy is Zero Maximum Minimum Negative Zero Maximum Minimum Negative 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 Work-done during adiabatic expansion is given by (where p1 v1, T1 = Pressure, volume and temperature for the initial condition of gas, p2, v2, T2 = Corresponding values for the final condition of gas, R = Gas constant, and γ = Ratio of specific heats) [m R T1/(γ - 1)][1 - (p2, v2 /p1 v1)] (p1 v1 - p2, v2)/(γ - 1) [m R (T1 - T2)] /(γ - 1) All of these [m R T1/(γ - 1)][1 - (p2, v2 /p1 v1)] (p1 v1 - p2, v2)/(γ - 1) [m R (T1 - T2)] /(γ - 1) All of these ANSWER DOWNLOAD EXAMIANS APP