Engineering Thermodynamics Which of the following laws is applicable for the behaviour of a perfect gas? Boyle's law Charles ‘law Gay Lussac’s law All of these Boyle's law Charles ‘law Gay Lussac’s law All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Water contained in a beaker can be made to boil by passing steam through it Any pressure At atmospheric pressure Not possible At a pressure greater than atmospheric pressure Any pressure At atmospheric pressure Not possible At a pressure greater than atmospheric pressure ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The value of the product of molecular weight and the gas characteristic constant for all the gases in S.I. units is 848 J/kmol °K 29.27 J/kmol °K 735 J/kmol °K 83.14 J/kmol °K 848 J/kmol °K 29.27 J/kmol °K 735 J/kmol °K 83.14 J/kmol °K ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics When a gas is heated at constant volume Its temperature will increase Neither temperature nor pressure will increase Its pressure will increase Both temperature and pressure will increase Its temperature will increase Neither temperature nor pressure will increase Its pressure will increase Both temperature and pressure will increase 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 cv/ cp =R Both (B) and (C) cv = R/ γ-1 cp - cv = R cv/ cp =R Both (B) and (C) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The more effective way of increasing efficiency of Carnot engine is to Decrease lower temperature Increase lower temperature Increase higher temperature Decrease higher temperature Decrease lower temperature Increase lower temperature Increase higher temperature Decrease higher temperature ANSWER DOWNLOAD EXAMIANS APP