Engineering Thermodynamics Minimum work in compressor is possible when the value of adiabatic index ‘n’ is equal to 1.35 1.27 0.75 1 1.35 1.27 0.75 1 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics According to Avogadro’s law Equal volumes of all gases, at the same temperature and pressure, contain equal number of molecules The product of the gas constant and the molecular mass of an ideal gas is constant All of these The sum of partial pressure of the mixture of two gases is sum of the two Equal volumes of all gases, at the same temperature and pressure, contain equal number of molecules The product of the gas constant and the molecular mass of an ideal gas is constant All of these The sum of partial pressure of the mixture of two gases is sum of the two ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics When the gas is heated at constant volume, the heat supplied Does some external work during expansion Both (A) and (B) Increases the internal energy of the gas and increases the temperature of the gas None of these Does some external work during expansion Both (A) and (B) Increases the internal energy of the gas and increases the temperature of the gas None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following variables controls the physical properties of a perfect gas? Volume Temperature All of these Pressure Volume Temperature All of these Pressure ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A gas is compressed in a cylinder by a movable piston to a volume one half its original volume. During the process 300 kJ heat left the gas and internal energy remained same. The work done on gas in Nm will be 300,000 Nm 3000 Nm 300 Nm 30 Nm 300,000 Nm 3000 Nm 300 Nm 30 Nm ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics When the expansion or compression takes place according to the law pvn = C, the process is known as Polytropic process Hyperbolic process Adiabatic process Isothermal process Polytropic process Hyperbolic process Adiabatic process Isothermal process ANSWER DOWNLOAD EXAMIANS APP