Engineering Thermodynamics A manufacturer claims to have a heat engine capable of developing 20 h.p. by receiving heat input of 400 kcal/mt and working between the temperature limits of 227° C and 27° C. His claim is May be possible with lot of sophistications Not possible Cost will be very high Theoretically possible May be possible with lot of sophistications Not possible Cost will be very high Theoretically possible ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics In closed cycle gas turbine, the air is compressed Polytropically None of these Isothermally Isentropically Polytropically None of these Isothermally Isentropically 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. None of these It is possible to transfer heat from a body at a lower temperature to a body at a higher temperature by using refrigeration cycle. 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. None of these It is possible to transfer heat from a body at a lower temperature to a body at a higher temperature by using refrigeration cycle. 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. ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Otto cycle efficiency is higher than Diesel cycle efficiency for the same compression ratio and heat input because in Otto cycle Maximum temperature is higher Combustion is at constant volume Expansion and compression are isentropic Heat rejection is lower Maximum temperature is higher Combustion is at constant volume Expansion and compression are isentropic Heat rejection is lower ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Extensive property of a system is one whose value Depends on the mass of the system like volume Is not dependent on the path followed but on the state Does not depend on the mass of the system, like temperature, pressure, etc. Is dependent on the path followed and not on the state Depends on the mass of the system like volume Is not dependent on the path followed but on the state Does not depend on the mass of the system, like temperature, pressure, etc. Is dependent on the path followed and not on the state ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following is an irreversible cycle? None of these Carnot Ericsson Stirling None of these Carnot Ericsson Stirling ANSWER DOWNLOAD EXAMIANS APP