Engineering Thermodynamics The general law for the expansion or compression of gases, is pv = C pvn = C pv = m R T pvγ = C pv = C pvn = C pv = m R T pvγ = C ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The isothermal and adiabatic processes are regarded as Irreversible process Reversible or irreversible process Reversible process None of the listed here Irreversible process Reversible or irreversible process Reversible process None of the listed here 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)] All of these [m R (T1 - T2)] /(γ - 1) (p1 v1 - p2, v2)/(γ - 1) [m R T1/(γ - 1)][1 - (p2, v2 /p1 v1)] All of these [m R (T1 - T2)] /(γ - 1) (p1 v1 - p2, v2)/(γ - 1) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics When wood is heated with a limited supply of air to a temperature not less than 280°C, the resulting fuel is Coke Wood charcoal Briquetted coal Bituminous coal Coke Wood charcoal Briquetted coal Bituminous coal ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A mixture of gas expands from 0.03 m3 to 0.06 m3 at a constant pressure of 1 MPa and absorbs 84 kJ of heat during the process. The change in internal energy of the mixture is 84 kJ 114 kJ 30 kJ 54 kJ 84 kJ 114 kJ 30 kJ 54 kJ ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics In an isothermal process, the internal energy of gas molecules Remain constant Increases Decreases May increase/decrease depending on the properties of gas Remain constant Increases Decreases May increase/decrease depending on the properties of gas ANSWER DOWNLOAD EXAMIANS APP
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