Engineering Thermodynamics Characteristic gas constant of a gas is equal to Cp - Cv Cp /Cv Cp + Cv Cv /Cp Cp - Cv Cp /Cv Cp + Cv Cv /Cp ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Compressed air coming out from a punctured football Becomes cooler May become hotter or cooler depending upon the humidity of the surrounding air Remains at the same temperature Becomes hotter Becomes cooler May become hotter or cooler depending upon the humidity of the surrounding air Remains at the same temperature Becomes hotter ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The value of n = 1 in the polytropic process indicates it to be Adiabatic process Reversible process Irreversible process Isothermal process Adiabatic process Reversible process Irreversible process Isothermal process ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The amount of heat required to raise the temperature of 1 kg of water through one Kelvin is called None of these kilo-Joule Specific heat at constant volume Specific heat at constant pressure None of these kilo-Joule Specific heat at constant volume Specific heat at constant pressure ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The general gas energy equation is (where Q1 - 2 = Heat supplied, dU = Change in internal energy, and W1 - 2 = Work done in heat units) Q1 - 2 = dU - W1 - 2 Q1 - 2 = dU/W1 - 2 Q1 - 2 = dU + W1 - 2 Q1 - 2 = dU × W1 - 2 Q1 - 2 = dU - W1 - 2 Q1 - 2 = dU/W1 - 2 Q1 - 2 = dU + W1 - 2 Q1 - 2 = dU × W1 - 2 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 - (1/ rγ - 1) 1 + (1/ rγ - 1) 1 - rγ - 1 1 + rγ - 1 1 - (1/ rγ - 1) 1 + (1/ rγ - 1) 1 - rγ - 1 ANSWER DOWNLOAD EXAMIANS APP
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