Engineering Thermodynamics Otto cycle efficiency is higher than Diesel cycle efficiency for the same compression ratio and heat input because in Otto cycle Expansion and compression are isentropic Maximum temperature is higher Combustion is at constant volume Heat rejection is lower Expansion and compression are isentropic Maximum temperature is higher Combustion is at constant volume Heat rejection is lower ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics First law of thermodynamics deals with Conservation of heat Conservation of energy Conservation of mass Conservation of momentum Conservation of heat Conservation of energy Conservation of mass Conservation of momentum ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Properties of substances like pressure, temperature and density, in thermodynamic coordinates are Cyclic functions Path functions Point functions Real functions Cyclic functions Path functions Point functions Real functions ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The efficiency of Diesel cycle with decrease in cut-off First decreases and then increases First increases and then decreases Decreases Increases First decreases and then increases First increases and then decreases Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics When a gas is heated at constant volume Its pressure will increase Neither temperature nor pressure will increase Both temperature and pressure will increase Its temperature will increase Its pressure will increase Neither temperature nor pressure will increase Both temperature and pressure will increase Its temperature will increase ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics If the value of n = 0 in the equation pvn = C, then the process is called Isothermal process Adiabatic process Constant pressure process Constant volume process Isothermal process Adiabatic process Constant pressure process Constant volume process ANSWER DOWNLOAD EXAMIANS APP
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