Engineering Thermodynamics Compressed air coming out from a punctured football May become hotter or cooler depending upon the humidity of the surrounding air Remains at the same temperature Becomes hotter Becomes cooler May become hotter or cooler depending upon the humidity of the surrounding air Remains at the same temperature Becomes hotter Becomes cooler ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics According to Gay Lussac’s law for a perfect gas, the absolute pressure of given mass varies directly as Volume, if temperature is kept constant None of these Absolute temperature, if volume is kept constant Temperature Volume, if temperature is kept constant None of these Absolute temperature, if volume is kept constant Temperature ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics According to Clausius statement of second law of thermodynamics Heat can Heat can be transferred from low temperature to high temperature source if COP of process is more than unity Heat can Heat can be transferred for low temperature to high temperature source by using refrigeration cycle Heat can Heat can be transferred from low temperature to high temperature source if COP of process is more than unity Heat can Heat can be transferred for low temperature to high temperature source by using refrigeration cycle ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Otto cycle is also known as Constant temperature and pressure cycle Constant volume cycle Constant temperature cycle Constant pressure cycle Constant temperature and pressure cycle Constant volume cycle Constant temperature cycle Constant pressure cycle ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Kerosene is distilled at 65° to 220°C 345° to 470°C 220° to 345°C 470° to 550°C 65° to 220°C 345° to 470°C 220° to 345°C 470° to 550°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The property of a working substance which increases or decreases as the heat is supplied or removed in a reversible manner, is known as External energy Entropy Internal energy Enthalpy External energy Entropy Internal energy Enthalpy ANSWER DOWNLOAD EXAMIANS APP