Engineering Thermodynamics The polytropic index (n) is given by log (v1/ v2)/ log (p1/p2) log (p2/ p1)/log (v1/ v2) log (p1p2)/log (v1v2) log [(p1v1)/(p2v2)] log (v1/ v2)/ log (p1/p2) log (p2/ p1)/log (v1/ v2) log (p1p2)/log (v1v2) log [(p1v1)/(p2v2)] ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Compressed air coming out from a punctured football Remains at the same temperature Becomes cooler Becomes hotter May become hotter or cooler depending upon the humidity of the surrounding air Remains at the same temperature Becomes cooler Becomes hotter May become hotter or cooler depending upon the humidity of the surrounding air ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The specific heat of air increases with increase in Pressure Variation of its constituents Temperature Both pressure and temperature Pressure Variation of its constituents Temperature Both pressure and temperature ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Calorie is a measure of Entropy Specific heat Quantity of heat Thermal capacity Entropy Specific heat Quantity of heat Thermal capacity ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The basis for measuring thermodynamic property of temperature is given by Second law of thermodynamics Zeroth law of thermodynamics First law of thermodynamics Third law of thermodynamics Second law of thermodynamics Zeroth law of thermodynamics First law of thermodynamics Third law of thermodynamics ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Coke is produced By heating wood with a limited supply of air to a temperature not less than 280°C When coal is first dried and then crushed to a fine powder by pulverizing machine From the finely ground coal by moulding under pressure with or without a binding material When coal is strongly heated continuously for 42 to 48 hours in the absence of air in a closed vessel By heating wood with a limited supply of air to a temperature not less than 280°C When coal is first dried and then crushed to a fine powder by pulverizing machine From the finely ground coal by moulding under pressure with or without a binding material When coal is strongly heated continuously for 42 to 48 hours in the absence of air in a closed vessel ANSWER DOWNLOAD EXAMIANS APP