Engineering Thermodynamics The first law of thermodynamics is the law of Conservation of heat Conservation of mass Conservation of energy Conservation of momentum Conservation of heat Conservation of mass Conservation of energy Conservation of momentum ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The general law for the expansion or compression of gases, is pv = C pvγ = C pv = m R T pvn = C pv = C pvγ = C pv = m R T pvn = C ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Work done in a free expansion process is Minimum Zero Maximum Positive Minimum Zero Maximum Positive 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 - T2)] /(γ - 1) [m R T1/(γ - 1)][1 - (p2, v2 /p1 v1)] All of these (p1 v1 - p2, v2)/(γ - 1) [m R (T1 - T2)] /(γ - 1) [m R T1/(γ - 1)][1 - (p2, v2 /p1 v1)] All of these (p1 v1 - p2, v2)/(γ - 1) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics When the gas is heated at constant pressure, the heat supplied Does some external work during expansion Increases the internal energy of the gas Both (B) and (C) Increases the temperature of the gas Does some external work during expansion Increases the internal energy of the gas Both (B) and (C) Increases the temperature of the gas ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The property of a working substance which increases or decreases as the heat is supplied or removed in a reversible manner, is known as External energy Enthalpy Internal energy Entropy External energy Enthalpy Internal energy Entropy ANSWER DOWNLOAD EXAMIANS APP
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