Engineering Thermodynamics When a gas is heated at constant volume 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 Its temperature will increase Neither temperature nor pressure will increase ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics If a gas vapour is allowed to expand through a very minute aperture, then such a process is known as Throttling Free expansion Hyperbolic expansion Adiabatic expansion Throttling Free expansion Hyperbolic expansion Adiabatic expansion 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 83.14 J/kmol °K 735 J/kmol °K 29.27 J/kmol °K 848 J/kmol °K 83.14 J/kmol °K 735 J/kmol °K 29.27 J/kmol °K 848 J/kmol °K ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The condition of perfect vacuum, i.e., absolute zero pressure can be attained at A temperature of 273 °K A temperature of - 273.16°C A temperature of 0°C A negative pressure and 0°C temperature A temperature of 273 °K A temperature of - 273.16°C A temperature of 0°C A negative pressure and 0°C temperature 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 Which of the following processes are thermodynamically reversible? Constant volume and constant pressure Free expansion Throttling Isothermal and adiabatic Constant volume and constant pressure Free expansion Throttling Isothermal and adiabatic ANSWER DOWNLOAD EXAMIANS APP