Engineering Thermodynamics The polytropic index (n) is given by 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) log (p2/ p1)/log (v1/ v2) log [(p1v1)/(p2v2)] ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which law states that the specific heat of a gas remains constant at all temperatures and pressures? Boyle's Law Joule's Law Charles' Law Regnault's Law Boyle's Law Joule's Law Charles' Law Regnault's Law ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The pressure of a gas in terms of its mean kinetic energy per unit volume 'E' is equal to 2E/3 E/2 3E/4 E/3 2E/3 E/2 3E/4 E/3 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics An open cycle gas turbine works on Stirling cycle Joule's cycle Otto cycle Carnot cycle Stirling cycle Joule's cycle Otto cycle Carnot cycle ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics For a perfect gas, according to Boyle’s law (where P = Absolute pressure, V = Volume and T = Absolute temperature) V/T = constant, if p is kept constant P/T = constant, if v is kept constant P v = constant, if T is kept constant T/P = constant, if v is kept constant V/T = constant, if p is kept constant P/T = constant, if v is kept constant P v = constant, if T is kept constant T/P = constant, if v is kept constant ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Compressed air coming out from a punctured football Becomes cooler Becomes hotter Remains at the same temperature May become hotter or cooler depending upon the humidity of the surrounding air Becomes cooler Becomes hotter Remains at the same temperature May become hotter or cooler depending upon the humidity of the surrounding air ANSWER DOWNLOAD EXAMIANS APP
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