Engineering Thermodynamics According to First law of thermodynamics, Internal energy, enthalpy and entropy during a process remain constant Total internal energy of a system during a process remains constant Total energy of a system remains constant Work-done by a system is equal to the heat transferred by the system Internal energy, enthalpy and entropy during a process remain constant Total internal energy of a system during a process remains constant Total energy of a system remains constant Work-done by a system is equal to the heat transferred by the system ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The variables which control the physical properties of a perfect gas are Temperature of the gas Volume occupied by the gas Pressure exerted by the gas All of these Temperature of the gas Volume occupied by the gas Pressure exerted by the gas All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The molecular mass expressed in gram (i.e. 1 g - mole) of all gases, at N. T. P., occupies a volume of 22.4 liters 0.224 liters 2.24 liters 224 liters 22.4 liters 0.224 liters 2.24 liters 224 liters ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics When a gas is heated at constant volume Its temperature will increase Its pressure will increase Both temperature and pressure will increase Neither temperature nor pressure will increase Its temperature will increase Its pressure will increase Both temperature and pressure will increase Neither temperature nor pressure will increase ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The general law of expansion or compression is pvn = C, The process is said to be hyperbolic, if n is equal to γ ∝ 1 γ ∝ 1 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The absolute zero pressure can be attained at a temperature of 273 K None of these -273°C 0°C 273 K None of these -273°C 0°C ANSWER DOWNLOAD EXAMIANS APP