Engineering Thermodynamics Superheated vapour behaves As steam Approximately as a gas Exactly as gas As ordinary vapour As steam Approximately as a gas Exactly as gas As ordinary vapour ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics One reversible heat engine operates between 1600 K and T2 K and another reversible heat engine operates between T2 K and 400 K. If both the engines have the same heat input and output, then temperature T2 is equal to 1200 K 1000 K 1400 K 800 K 1200 K 1000 K 1400 K 800 K ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following processes are thermodynamically reversible? Isothermal and adiabatic Constant volume and constant pressure Free expansion Throttling Isothermal and adiabatic Constant volume and constant pressure Free expansion Throttling ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following gas has a minimum molecular mass? Hydrogen Methane Nitrogen Oxygen Hydrogen Methane Nitrogen Oxygen ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The general law for the expansion or compression of gases, is pv = C pv = m R T pvn = C pvγ = C pv = C pv = m R T pvn = C pvγ = C 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 Both (B) and (C) cv/ cp =R cp - cv = R cv = R/ γ-1 Both (B) and (C) cv/ cp =R cp - cv = R ANSWER DOWNLOAD EXAMIANS APP
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