Engineering Thermodynamics On volume basis, air contains following parts of oxygen 25 23 21 77 25 23 21 77 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics According to Gay Lussac’s law for a perfect gas, the absolute pressure of given mass varies directly as Temperature Volume, if temperature is kept constant None of these Absolute temperature, if volume is kept constant Temperature Volume, if temperature is kept constant None of these Absolute temperature, if volume is kept constant ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The smallest quantity of a substance, which can exist by itself in a chemically recognizable form is known as Molecule Element Compound Atom Molecule Element Compound Atom ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The air standard efficiency of an Otto cycle is given by (where r = Compression ratio, and γ = Ratio of specific heats) 1 + rγ - 1 1 - rγ - 1 1 - (1/ rγ - 1) 1 + (1/ rγ - 1) 1 + rγ - 1 1 - rγ - 1 1 - (1/ rγ - 1) 1 + (1/ rγ - 1) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Change in internal energy in a closed system is equal to heat transferred if the reversible process takes place at constant Pressure Internal energy Temperature Volume Pressure Internal energy Temperature Volume ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The polytropic index (n) is given by log [(p1v1)/(p2v2)] log (v1/ v2)/ log (p1/p2) log (p1p2)/log (v1v2) log (p2/ p1)/log (v1/ v2) log [(p1v1)/(p2v2)] log (v1/ v2)/ log (p1/p2) log (p1p2)/log (v1v2) log (p2/ p1)/log (v1/ v2) ANSWER DOWNLOAD EXAMIANS APP
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