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 Maximum temperature is higher Expansion and compression are isentropic Combustion is at constant volume Heat rejection is lower Maximum temperature is higher Expansion and compression are isentropic Combustion is at constant volume ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A sudden fall in the barometer reading is a sign of approaching Fine weather Storm Cold wave Rains Fine weather Storm Cold wave Rains ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Diesel cycle consists of following four processes Two isentropic and two constant volumes Two isothermal and two isentropic Two isentropic and two constant pressures Two isentropic, one constant volume and one constant pressure Two isentropic and two constant volumes Two isothermal and two isentropic Two isentropic and two constant pressures Two isentropic, one constant volume and one constant pressure ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The standard value of atmospheric pressure taken at sea level is 1013 × 102 N/m2 760 mm of Hg 1.013 bar All of these 1013 × 102 N/m2 760 mm of Hg 1.013 bar All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics When the expansion or compression takes place according to the law pvn = C, the process is known as Adiabatic process Hyperbolic process Isothermal process Polytropic process Adiabatic process Hyperbolic process Isothermal process Polytropic process ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The natural petroleum may be separated into Lubricating oil Fuel oil Kerosene Petrol Lubricating oil Fuel oil Kerosene Petrol ANSWER DOWNLOAD EXAMIANS APP
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