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 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 Heat rejection is lower ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The gas constant (R) is equal to the __________ of two specific heats. Ratio Product Difference Sum Ratio Product Difference Sum ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The absolute zero temperature is taken as 237°C -237°C 273°C -273°C 237°C -237°C 273°C -273°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following process can be made reversible with the help of a regenerator? All of these Constant pvn process Constant volume process Constant pressure process All of these Constant pvn process Constant volume process Constant pressure process ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Extensive property of a system is one whose value Is not dependent on the path followed but on the state Does not depend on the mass of the system, like temperature, pressure, etc. Is dependent on the path followed and not on the state Depends on the mass of the system like volume Is not dependent on the path followed but on the state Does not depend on the mass of the system, like temperature, pressure, etc. Is dependent on the path followed and not on the state Depends on the mass of the system like volume ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The property of a working substance which increases or decreases as the heat is supplied or removed in a reversible manner, is known as Internal energy External energy Entropy Enthalpy Internal energy External energy Entropy Enthalpy ANSWER DOWNLOAD EXAMIANS APP
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