Engineering Thermodynamics The polytropic index (n) is given by log (p2/ p1)/log (v1/ v2) log (p1p2)/log (v1v2) log (v1/ v2)/ log (p1/p2) log [(p1v1)/(p2v2)] log (p2/ p1)/log (v1/ v2) log (p1p2)/log (v1v2) log (v1/ v2)/ log (p1/p2) log [(p1v1)/(p2v2)] ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Barometric pressure is equal to 1 mm Hg Zero mm Hg 760 mm Hg 735.6 mm Hg 1 mm Hg Zero mm Hg 760 mm Hg 735.6 mm Hg ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following statement is correct according to Clausis statement of second law of thermodynamics? None of these It is impossible to transfer heat from a body at a lower temperature to a body at a higher temperature, without the aid of an external source. It is possible to transfer heat from a body at a lower temperature to a body at a higher temperature. It is possible to transfer heat from a body at a lower temperature to a body at a higher temperature by using refrigeration cycle. None of these It is impossible to transfer heat from a body at a lower temperature to a body at a higher temperature, without the aid of an external source. It is possible to transfer heat from a body at a lower temperature to a body at a higher temperature. It is possible to transfer heat from a body at a lower temperature to a body at a higher temperature by using refrigeration cycle. ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The same volume of all gases would represent their Molecular weights Specific weights Densities Gas characteristic constants Molecular weights Specific weights Densities Gas characteristic constants ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Stirling cycle consists of Two constant pressure and two isothermal processes Two constant volume and two isentropic processes One constant volume, one constant pressure and two isentropic processes Two constant volume and two isothermal processes Two constant pressure and two isothermal processes Two constant volume and two isentropic processes One constant volume, one constant pressure and two isentropic processes Two constant volume and two isothermal processes ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A path 1-2-3 is given. A system absorbs 100 kJ as heat and does 60 kJ of work while along the path 1-4-3, it does 20 kJ of work. The heat absorbed during the cycle 1-4-3 is +60 kJ -80 kJ -40 kJ -140 kJ +60 kJ -80 kJ -40 kJ -140 kJ ANSWER DOWNLOAD EXAMIANS APP