Engineering Thermodynamics The atomic mass of oxygen is 14 18 121 16 14 18 121 16 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The condition for the reversibility of a cycle is All of these All the processes, taking place in the cycle of operation, must be extremely slow The working parts of the engine must be friction free The pressure and temperature of the working substance must not differ, appreciably, from those of the surroundings at any stage in the process All of these All the processes, taking place in the cycle of operation, must be extremely slow The working parts of the engine must be friction free The pressure and temperature of the working substance must not differ, appreciably, from those of the surroundings at any stage in the process ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The oxygen atom is ________ times heavier than the hydrogen atom. 32 8 16 2 32 8 16 2 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/(γ - 1)][1 - (p2, v2 /p1 v1)] [m R (T1 - T2)] /(γ - 1) (p1 v1 - p2, v2)/(γ - 1) All of these [m R T1/(γ - 1)][1 - (p2, v2 /p1 v1)] [m R (T1 - T2)] /(γ - 1) (p1 v1 - p2, v2)/(γ - 1) All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The gas constant (R) is equal to the __________ of two specific heats. Ratio Difference Product Sum Ratio Difference Product Sum ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Work done in an adiabatic process between a given pair of end states depends on The end states only Particular adiabatic process The value of index ‘n’ The value of heat transferred The end states only Particular adiabatic process The value of index ‘n’ The value of heat transferred ANSWER DOWNLOAD EXAMIANS APP