Engineering Thermodynamics Which of the following processes are thermodynamically reversible? Constant volume and constant pressure Isothermal and adiabatic Throttling Free expansion Constant volume and constant pressure Isothermal and adiabatic Throttling Free expansion ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics In order that a cycle be reversible, following must be satisfied Free expansion or friction resisted expansion/compression process should not be encountered When heat is being absorbed, temperature of hot source and working substance should be same All of these When beat is being rejected, temperature of cold source and working substance should be same Free expansion or friction resisted expansion/compression process should not be encountered When heat is being absorbed, temperature of hot source and working substance should be same All of these When beat is being rejected, temperature of cold source and working substance should be same ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics When a gas is heated at constant pressure Neither temperature not volume will increase Its temperature will increase Both temperature and volume will increase Its volume will increase Neither temperature not volume will increase Its temperature will increase Both temperature and volume will increase Its volume will increase ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics In open cycle gas turbine plants Direct combustion systems is used The indirect heat exchanger and cooler is avoided All of these A condenser is used Direct combustion systems is used The indirect heat exchanger and cooler is avoided All of these A condenser is used ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics If in the equation pvn = C, the value of n = ∝, then the process is called Adiabatic process Isothermal process Constant pressure process Constant volume process Adiabatic process Isothermal process Constant pressure process Constant volume process ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The thermodynamic difference between a Rankine cycle working with saturated steam and the Carnot cycle is that Rankine cycle is hypothetical Carnot cycle can't work with saturated steam Heat is supplied to water at temperature below the maximum temperature of the cycle A Rankine cycle receives heat at two places Rankine cycle is hypothetical Carnot cycle can't work with saturated steam Heat is supplied to water at temperature below the maximum temperature of the cycle A Rankine cycle receives heat at two places ANSWER DOWNLOAD EXAMIANS APP