Engineering Thermodynamics A mixture of gas expands from 0.03 m3 to 0.06 m3 at a constant pressure of 1 MPa and absorbs 84 kJ of heat during the process. The change in internal energy of the mixture is 30 kJ 84 kJ 54 kJ 114 kJ 30 kJ 84 kJ 54 kJ 114 kJ ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics One molecule of oxygen is __________ times heavier than the hydrogen atom. 16 12 14 32 16 12 14 32 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics According to Clausius statement of second law of thermodynamics Heat can Heat can be transferred from low temperature to high temperature source if COP of process is more than unity Heat can be transferred for low temperature to high temperature source by using refrigeration cycle Heat can Heat can Heat can be transferred from low temperature to high temperature source if COP of process is more than unity Heat can be transferred for low temperature to high temperature source by using refrigeration cycle Heat can ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The fuel mostly used in blast furnace for extracting pig iron from iron ores is Hard coke Bituminous coal Pulverized coal Soft coke Hard coke Bituminous coal Pulverized coal Soft coke ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The entropy of water at 0°C is assumed to be 1 2 -1 1 2 -1 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) (p1 v1 - p2, v2)/(γ - 1) [m R T1/(γ - 1)][1 - (p2, v2 /p1 v1)] All of these [m R (T1 - T2)] /(γ - 1) (p1 v1 - p2, v2)/(γ - 1) [m R T1/(γ - 1)][1 - (p2, v2 /p1 v1)] All of these [m R (T1 - T2)] /(γ - 1) ANSWER DOWNLOAD EXAMIANS APP
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