Engineering Thermodynamics When the expansion or compression takes place according to the law pvn = C, the process is known as Hyperbolic process Polytropic process Adiabatic process Isothermal process Hyperbolic process Polytropic process Adiabatic process Isothermal process ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The temperature at which the volume of a gas becomes zero is called None of these Absolute zero temperature Absolute temperature Absolute scale of temperature None of these Absolute zero temperature Absolute temperature Absolute scale of temperature ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Work done is zero for the following process Throttling Free expansion All of the listed here Constant volume Throttling Free expansion All of the listed here Constant volume ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The entropy __________ in an irreversible cyclic process. Remains constant Decreases Increases None of these Remains constant Decreases Increases None of these 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 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 Maximum temperature is higher ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The first law of thermodynamics is the law of Conservation of mass Conservation of momentum Conservation of energy Conservation of heat Conservation of mass Conservation of momentum Conservation of energy Conservation of heat ANSWER DOWNLOAD EXAMIANS APP