Engineering Thermodynamics Compressed air coming out from a punctured football Becomes hotter Becomes cooler Remains at the same temperature May become hotter or cooler depending upon the humidity of the surrounding air Becomes hotter Becomes cooler Remains at the same temperature May become hotter or cooler depending upon the humidity of the surrounding air ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics In a free expansion process Work done is zero Both (A) and (B) above Heat transfer is zero Work done is zero but heat increases Work done is zero Both (A) and (B) above Heat transfer is zero Work done is zero but heat increases ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The entropy of water at 0°C is assumed to be -1 1 2 -1 1 2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics If a fluid expands suddenly into vacuum through an orifice of large dimension, then such a process is called Hyperbolic expansion Free expansion Adiabatic expansion Parabolic expansion Hyperbolic expansion Free expansion Adiabatic expansion Parabolic expansion ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The efficiency of Diesel cycle approaches to Otto cycle efficiency when Cut-off is increased Cut-off is constant Cut-off is zero Cut-off is decreased Cut-off is increased Cut-off is constant Cut-off is zero Cut-off is decreased ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The value of gas constant (R) in S. I. units is 287 J/kgK 2.87 J/kgK 0.287 J/kgK 28.7 J/kgK 287 J/kgK 2.87 J/kgK 0.287 J/kgK 28.7 J/kgK ANSWER DOWNLOAD EXAMIANS APP