Engineering Thermodynamics In order that a cycle be reversible, following must be satisfied Free expansion or friction resisted expansion/compression process should not be encountered When beat is being rejected, temperature of cold source and working substance should be same When heat is being absorbed, temperature of hot source and working substance should be same All of these Free expansion or friction resisted expansion/compression process should not be encountered When beat is being rejected, temperature of cold source and working substance should be same When heat is being absorbed, temperature of hot source and working substance should be same All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following items is not a path function? Work Thermal conductivity Kinetic energy Heat Work Thermal conductivity Kinetic energy Heat ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics If value of n is infinitely large in a polytropic process pVn = C, then the process is known as constant Volume Enthalpy Temperature Pressure Volume Enthalpy Temperature Pressure ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics To convert volumetric analysis to gravimetric analysis, the relative volume of each constituent of the flue gases is Multiplied by its molecular weight Multiplied by its specific weight Divided by its molecular weight Multiplied by its density Multiplied by its molecular weight Multiplied by its specific weight Divided by its molecular weight Multiplied by its density ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The property of a working substance which increases or decreases as the heat is supplied or removed in a reversible manner, is known as Entropy Enthalpy External energy Internal energy Entropy Enthalpy External energy Internal energy ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The thermal efficiency of an ideal gas turbine plant is given by (where r = Pressure ratio) 1 - rγ - 1 rγ - 1 1 - (1/r) γ/γ - 1 1 - (1/r) γ - 1/ γ 1 - rγ - 1 rγ - 1 1 - (1/r) γ/γ - 1 1 - (1/r) γ - 1/ γ ANSWER DOWNLOAD EXAMIANS APP