Engineering Thermodynamics The value of the product of molecular weight and the gas characteristic constant for all the gases in M.K.S. unit is 29.27 kgfm/mol °K 427 kgfm/mol °K 8314 kgfm/mol °K 848 kgfm/mol °K 29.27 kgfm/mol °K 427 kgfm/mol °K 8314 kgfm/mol °K 848 kgfm/mol °K 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 Internal energy Kinetic energy Molecular energy External energy Internal energy Kinetic energy ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics For same compression ratio and for same heat added Both Otto and Diesel cycles are equally efficient Efficiency depends on other factors Diesel cycle is more efficient than Otto cycle Otto cycle is more efficient than Diesel cycle Both Otto and Diesel cycles are equally efficient Efficiency depends on other factors Diesel cycle is more efficient than Otto cycle Otto cycle is more efficient than Diesel cycle ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Work-done during adiabatic expansion is given by (where p1 v1, T1 = Pressure, volume and temperature for the initial condition of gas, p2, v2, T2 = Corresponding values for the final condition of gas, R = Gas constant, and γ = Ratio of specific heats) [m R (T1 - T2)] /(γ - 1) All of these [m R T1/(γ - 1)][1 - (p2, v2 /p1 v1)] (p1 v1 - p2, v2)/(γ - 1) [m R (T1 - T2)] /(γ - 1) All of these [m R T1/(γ - 1)][1 - (p2, v2 /p1 v1)] (p1 v1 - p2, v2)/(γ - 1) 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 30 Nm 3000 Nm 300,000 Nm 300 Nm 30 Nm 3000 Nm 300,000 Nm 300 Nm ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics According to Avogadro's Hypothesis The molecular weights of all the perfect gases occupy the same volume under same conditions of pressure and temperature Gases have two values of specific heat The sum of partial pressure of mixture of two gases is sum of the two Product of the gas constant and the molecular weight of an ideal gas is constant The molecular weights of all the perfect gases occupy the same volume under same conditions of pressure and temperature Gases have two values of specific heat The sum of partial pressure of mixture of two gases is sum of the two Product of the gas constant and the molecular weight of an ideal gas is constant ANSWER DOWNLOAD EXAMIANS APP