Engineering Thermodynamics The first law of thermodynamics is the law of Conservation of energy Conservation of heat Conservation of mass Conservation of momentum Conservation of energy Conservation of heat Conservation of mass Conservation of momentum ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics For a perfect gas, according to Boyle’s law (where P = Absolute pressure, V = Volume and T = Absolute temperature) P/T = constant, if v is kept constant T/P = constant, if v is kept constant P v = constant, if T is kept constant V/T = constant, if p is kept constant P/T = constant, if v is kept constant T/P = constant, if v is kept constant P v = constant, if T is kept constant V/T = constant, if p is kept constant 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 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 Molecular mass of the gas and the gas constant Atomic mass of the gas and the gas constant ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Relation between cp and cv is given by (where cp = Specific heat at constant pressure, cv = Specific heat at constant volume, γ = cp/cv, known as adiabatic index, and R = Gas constant) cv = R/ γ-1 cp - cv = R Both (B) and (C) cv/ cp =R cv = R/ γ-1 cp - cv = R Both (B) and (C) cv/ cp =R ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics In an isothermal process, the internal energy of gas molecules Remain constant Increases May increase/decrease depending on the properties of gas Decreases Remain constant Increases May increase/decrease depending on the properties of gas Decreases ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics According to Avogadro's law, for a given pressure and temperature, each molecule of a gas Occupies same volume Occupies volume inversely proportional to its specific weight Occupies volume inversely proportional to its molecular weight Occupies volume proportional to its specific weight Occupies same volume Occupies volume inversely proportional to its specific weight Occupies volume inversely proportional to its molecular weight Occupies volume proportional to its specific weight ANSWER DOWNLOAD EXAMIANS APP
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