Engineering Thermodynamics First law of thermodynamics All of these Does not enable to determine change in entropy Provides relationship between heat, work and internal energy Enables to determine change in internal energy of the system All of these Does not enable to determine change in entropy Provides relationship between heat, work and internal energy Enables to determine change in internal energy of the system ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The principal constituents of a fuel are Carbon and hydrogen Sulphur and hydrogen Sulphur and oxygen Oxygen and hydrogen Carbon and hydrogen Sulphur and hydrogen Sulphur and oxygen Oxygen and hydrogen ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The work ratio of simple gas turbine cycle depends upon All of these Pressure ratio Maximum cycle temperature Minimum cycle temperature All of these Pressure ratio Maximum cycle temperature Minimum cycle temperature 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) Both (B) and (C) cv = R/ γ-1 cp - cv = R cv/ cp =R Both (B) and (C) cv = R/ γ-1 cp - cv = R cv/ cp =R ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The more effective way of increasing efficiency of Carnot engine is to Increase lower temperature Increase higher temperature Decrease lower temperature Decrease higher temperature Increase lower temperature Increase higher temperature Decrease lower temperature Decrease higher temperature ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics In a reversible adiabatic process, the ratio of T1/T2 is equal to (v1/v2)γ - 1/ γ (v2/v1)γ - 1/ γ (p2/p1)γ - 1/ γ (p1/p2)γ - 1/ γ (v1/v2)γ - 1/ γ (v2/v1)γ - 1/ γ (p2/p1)γ - 1/ γ (p1/p2)γ - 1/ γ ANSWER DOWNLOAD EXAMIANS APP
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