Engineering Thermodynamics The polytropic index (n) is given by log (p2/ p1)/log (v1/ v2) log [(p1v1)/(p2v2)] log (v1/ v2)/ log (p1/p2) log (p1p2)/log (v1v2) log (p2/ p1)/log (v1/ v2) log [(p1v1)/(p2v2)] log (v1/ v2)/ log (p1/p2) log (p1p2)/log (v1v2) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Compressed air coming out from a punctured football Becomes cooler Remains at the same temperature Becomes hotter May become hotter or cooler depending upon the humidity of the surrounding air Becomes cooler Remains at the same temperature Becomes hotter May become hotter or cooler depending upon the humidity of the surrounding air ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Work done in an adiabatic process between a given pair of end states depends on The value of heat transferred Particular adiabatic process The end states only The value of index ‘n’ The value of heat transferred Particular adiabatic process The end states only The value of index ‘n’ ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics One kg of carbon monoxide requires __________ kg of oxygen to produce 11/7 kg of carbon dioxide gas. 11/4 All of the listed here 9/7 4/7 11/4 All of the listed here 9/7 4/7 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics When a gas is heated at constant volume Its temperature will increase Both temperature and pressure will increase Neither temperature nor pressure will increase Its pressure will increase Its temperature will increase Both temperature and pressure will increase Neither temperature nor pressure will increase Its pressure will increase ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The amount of heat required to raise the temperature of 1 kg of water through one Kelvin is called None of these Specific heat at constant volume Specific heat at constant pressure kilo-Joule None of these Specific heat at constant volume Specific heat at constant pressure kilo-Joule ANSWER DOWNLOAD EXAMIANS APP