Engineering Thermodynamics In an isothermal process, the internal energy of gas molecules May increase/decrease depending on the properties of gas Decreases Remain constant Increases May increase/decrease depending on the properties of gas Decreases Remain constant Increases ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A process, in which the temperature of the working substance remains constant during its expansion or compression, is called Adiabatic process Polytropic process Isothermal process Hyperbolic process Adiabatic process Polytropic process Isothermal process Hyperbolic process ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Otto cycle consists of following four processes Two isothermal and two isentropic Two isentropic and two constant volumes Two isentropic and two constant pressures Two isentropic, one constant volume and one constant pressure Two isothermal and two isentropic Two isentropic and two constant volumes Two isentropic and two constant pressures Two isentropic, one constant volume and one constant pressure 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 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 Maximum temperature is higher ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following gas has the highest calorific value? Blast furnace gas Producer gas Mond gas Coal gas Blast furnace gas Producer gas Mond gas Coal gas ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics An open system is one in which Mass crosses the boundary but not the energy Mass does not cross boundaries of the system, though energy may do so Neither mass nor energy crosses the boundaries of the system Both energy and mass cross the boundaries of the system Mass crosses the boundary but not the energy Mass does not cross boundaries of the system, though energy may do so Neither mass nor energy crosses the boundaries of the system Both energy and mass cross the boundaries of the system ANSWER DOWNLOAD EXAMIANS APP
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