Engineering Thermodynamics The polytropic index (n) is given by log (p1p2)/log (v1v2) log [(p1v1)/(p2v2)] log (p2/ p1)/log (v1/ v2) log (v1/ v2)/ log (p1/p2) log (p1p2)/log (v1v2) log [(p1v1)/(p2v2)] log (p2/ p1)/log (v1/ v2) log (v1/ v2)/ log (p1/p2) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Carnot cycle efficiency is maximum when Final temperature is 0°K Final temperature is 0°C Initial temperature is 0°K Difference between initial and final temperature is 0°K Final temperature is 0°K Final temperature is 0°C Initial temperature is 0°K Difference between initial and final temperature is 0°K ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Brayton cycle consists' of following four processes 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 Two isentropic and two constant volumes ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Relation between cp and cv is given by (where cp = Specific heat at constant pressure, cv = Specific heat at constant volume, γ = cp/cv, known as adiabatic index, and R = Gas constant) Both (B) and (C) cp - cv = R cv/ cp =R cv = R/ γ-1 Both (B) and (C) cp - cv = R cv/ cp =R cv = R/ γ-1 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The index of compression ‘n’ tends to reach ratio of specific heats ‘y’ when Flow is uniform and steady Process is isentropic and specific heat does not change with temperature Process is isentropic Process is isothermal Flow is uniform and steady Process is isentropic and specific heat does not change with temperature Process is isentropic Process is isothermal ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following quantities is not the property of the system? Temperature Heat Specific volume Pressure Temperature Heat Specific volume Pressure ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS