Engineering Thermodynamics The polytropic index (n) is given by log (p1p2)/log (v1v2) log (p2/ p1)/log (v1/ v2) log (v1/ v2)/ log (p1/p2) log [(p1v1)/(p2v2)] log (p1p2)/log (v1v2) log (p2/ p1)/log (v1/ v2) log (v1/ v2)/ log (p1/p2) log [(p1v1)/(p2v2)] ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following variables controls the physical properties of a perfect gas? All of these Pressure Temperature Volume All of these Pressure Temperature Volume ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Kelvin Planck's law deals with Conservation of heat Conversion of heat into work Conversion of work into heat Conservation of work Conservation of heat Conversion of heat into work Conversion of work into heat Conservation of work ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics In an isothermal process, the internal energy of gas molecules Remain constant Decreases May increase/decrease depending on the properties of gas Increases Remain constant Decreases May increase/decrease depending on the properties of gas Increases ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The general gas equation is (where p = Pressure, v = Volume, m = mass, T = Absolute temperature, and R = Gas constant) pv = RTm pv = (RT)m pvm = C pv = mRT pv = RTm pv = (RT)m pvm = C pv = mRT ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Diesel cycle consists of following four processes Two isentropic and two constant volumes Two isentropic and two constant pressures Two isothermal and two isentropic Two isentropic, one constant volume and one constant pressure Two isentropic and two constant volumes Two isentropic and two constant pressures Two isothermal and two isentropic Two isentropic, one constant volume and one constant pressure ANSWER DOWNLOAD EXAMIANS APP
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