Engineering Thermodynamics Change in enthalpy in a closed system is equal to heat transferred if the reversible process takes place at constant Volume Internal energy Temperature Pressure Volume Internal energy Temperature Pressure ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The ratio of specific heat at constant pressure (cp) and specific heat at constant volume (cv) is None of these Equal to one Greater than one Less than one None of these Equal to one Greater than one Less than one ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics According to First law of thermodynamics, Total internal energy of a system during a process remains constant Work-done by a system is equal to the heat transferred by the system Total energy of a system remains constant Internal energy, enthalpy and entropy during a process remain constant Total internal energy of a system during a process remains constant Work-done by a system is equal to the heat transferred by the system Total energy of a system remains constant Internal energy, enthalpy and entropy during a process remain constant ANSWER DOWNLOAD EXAMIANS APP
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 Theoretically possible Not possible Cost will be very high May be possible with lot of sophistications Theoretically possible Not possible Cost will be very high ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics An open system is one in which Mass crosses the boundary but not the energy Neither mass nor energy crosses the boundaries of the system Mass does not cross boundaries of the system, though energy may do so Both energy and mass cross the boundaries of the system Mass crosses the boundary but not the energy Neither mass nor energy crosses the boundaries of the system Mass does not cross boundaries of the system, though energy may do so Both energy and mass cross the boundaries of the system ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Diesel cycle consists of following four processes Two isothermal and two isentropic Two isentropic and two constant volumes Two isentropic, one constant volume and one constant pressure Two isentropic and two constant pressures Two isothermal and two isentropic Two isentropic and two constant volumes Two isentropic, one constant volume and one constant pressure Two isentropic and two constant pressures ANSWER DOWNLOAD EXAMIANS APP
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