Engineering Thermodynamics When a gas is heated at constant volume Its temperature will increase Neither temperature nor pressure will increase Its pressure will increase Both temperature and pressure will increase Its temperature will increase Neither temperature nor pressure will increase Its pressure will increase Both temperature and pressure will increase ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following statement is correct according to Clausis statement of second law of thermodynamics? 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 possible to transfer heat from a body at a lower temperature to a body at a higher temperature. 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. 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 possible to transfer heat from a body at a lower temperature to a body at a higher temperature. 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 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 Which of the following is a reversible non-flow process? Isochoric process All of these Isobaric process Hyperbolic process Isochoric process All of these Isobaric process Hyperbolic process ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Work done in an adiabatic process between a given pair of end states depends on The value of heat transferred Particular adiabatic process The end states only The value of index ‘n’ The value of heat transferred Particular adiabatic process The end states only The value of index ‘n’ ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics First law of thermodynamics Does not enable to determine change in entropy Provides relationship between heat, work and internal energy Enables to determine change in internal energy of the system All of these Does not enable to determine change in entropy Provides relationship between heat, work and internal energy Enables to determine change in internal energy of the system All of these ANSWER DOWNLOAD EXAMIANS APP