Engineering Thermodynamics The polytropic index (n) is given by log [(p1v1)/(p2v2)] 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) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics One reversible heat engine operates between 1600 K and T2 K and another reversible heat engine operates between T2 K and 400 K. If both the engines have the same heat input and output, then temperature T2 is equal to 1400 K 1000 K 1200 K 800 K 1400 K 1000 K 1200 K 800 K ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The absolute zero temperature is taken as 237°C -273°C -237°C 273°C 237°C -273°C -237°C 273°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The absolute zero pressure will be When molecular momentum of the system becomes zero At sea level At the center of the earth At the temperature of - 273 K When molecular momentum of the system becomes zero At sea level At the center of the earth At the temperature of - 273 K ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following can be regarded as gas so that gas laws could be applicable, within the commonly encountered temperature limits? O₂, N₂, water vapour SO₂, NH₃, CO₂, moisture O₂, N₂, steam, CO₂ O₂, N₂, H₂, air O₂, N₂, water vapour SO₂, NH₃, CO₂, moisture O₂, N₂, steam, CO₂ O₂, N₂, H₂, air ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The unit of pressure in S.I. units is mm of water column kg/cm² Pascal Dyne per square cm mm of water column kg/cm² Pascal Dyne per square cm ANSWER DOWNLOAD EXAMIANS APP