Engineering Thermodynamics The efficiency of the Carnot cycle may be increased by Decreasing the highest temperature Keeping the lowest temperature constant Increasing the highest temperature Increasing the lowest temperature Decreasing the highest temperature Keeping the lowest temperature constant Increasing the highest temperature Increasing the lowest temperature 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 Adiabatic expansion Parabolic expansion Free expansion Hyperbolic expansion Adiabatic expansion Parabolic expansion Free expansion ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following statement is correct according to Clausis statement of second law of thermodynamics? It is possible to transfer heat from a body at a lower temperature to a body at a higher temperature. It is impossible to transfer heat from a body at a lower temperature to a body at a higher temperature, without the aid of an external source. It is possible to transfer heat from a body at a lower temperature to a body at a higher temperature by using refrigeration cycle. None of these It is possible to transfer heat from a body at a lower temperature to a body at a higher temperature. It is impossible to transfer heat from a body at a lower temperature to a body at a higher temperature, without the aid of an external source. It is possible to transfer heat from a body at a lower temperature to a body at a higher temperature by using refrigeration cycle. None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The efficiency of Stirling cycle is __________ Carnot cycle. Greater than Equal to None of these Less than Greater than Equal to None of these Less than ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A perfect gas at 27°C is heated at constant pressure till its volume is double. The final temperature is 327°C 108°C 654°C 54°C 327°C 108°C 654°C 54°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics If heat be exchanged in a reversible manner, which of the following property of the working substance will change accordingly Temperature Internal energy Enthalpy Entropy Temperature Internal energy Enthalpy Entropy ANSWER DOWNLOAD EXAMIANS APP
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