Engineering Thermodynamics The first law of thermodynamics is the law of Conservation of energy Conservation of momentum Conservation of heat Conservation of mass Conservation of energy Conservation of momentum Conservation of heat Conservation of mass 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 Heat rejection is lower Combustion is at constant volume Expansion and compression are isentropic Maximum temperature is higher Heat rejection is lower Combustion is at constant volume Expansion and compression are isentropic ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The temperature at which the volume of a gas becomes zero is called Absolute temperature None of these Absolute scale of temperature Absolute zero temperature Absolute temperature None of these Absolute scale of temperature Absolute zero temperature ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A closed system is one in which 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 Mass crosses the boundary but not the energy Mass does not cross boundaries of the system, though energy may do so ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics If the value of n = 0 in the equation pvn = C, then the process is called Adiabatic process Constant volume process Constant pressure process Isothermal process Adiabatic process Constant volume process Constant pressure process Isothermal process ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics When the expansion or compression takes place according to the law pvn = C, the process is known as Polytropic process Isothermal process Adiabatic process Hyperbolic process Polytropic process Isothermal process Adiabatic process Hyperbolic process ANSWER DOWNLOAD EXAMIANS APP