Engineering Thermodynamics Minimum work in compressor is possible when the value of adiabatic index ‘n’ is equal to 1 1.27 0.75 1.35 1 1.27 0.75 1.35 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The sum of internal energy (U) and the product of pressure and volume (p.v) is known as Power Enthalpy Entropy Work done Power Enthalpy Entropy Work done ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics When a gas is heated at constant pressure Both temperature and volume will increase Its temperature will increase Neither temperature not volume will increase Its volume will increase Both temperature and volume will increase Its temperature will increase Neither temperature not volume will increase Its volume 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 heat energy stored in the gas and used for raising the temperature of the gas is known as Molecular energy External energy Kinetic energy Internal energy Molecular energy External energy Kinetic energy Internal energy ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The condition of perfect vacuum, i.e., absolute zero pressure can be attained at A temperature of 0°C A temperature of - 273.16°C A negative pressure and 0°C temperature A temperature of 273 °K A temperature of 0°C A temperature of - 273.16°C A negative pressure and 0°C temperature A temperature of 273 °K ANSWER DOWNLOAD EXAMIANS APP