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 Which of the following laws is applicable for the behaviour of a perfect gas? Gay Lussac’s law Charles ‘law All of these Boyle's law Gay Lussac’s law Charles ‘law All of these Boyle's law ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Isochoric process is one in which No mechanical work is done by the system Very little mechanical work is done by the system Free expansion takes place All parameters remain constant No mechanical work is done by the system Very little mechanical work is done by the system Free expansion takes place All parameters remain constant ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The heat supplied to the gas at constant volume is (where m = Mass of gas, cv = Specific heat at constant volume, cp = Specific heat at constant pressure, T2 - T1 = Rise in temperature, and R = Gas constant) mR (T2 - T1) mcv (T2 - T1) mcp (T2 - T1) mcp (T2 + T1) mR (T2 - T1) mcv (T2 - T1) mcp (T2 - T1) mcp (T2 + T1) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The heating of gas at constant volume is governed by Avogadro's law Boyle's law Charles' law Gay-Lussac law Avogadro's law Boyle's law Charles' law Gay-Lussac law ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics If a gas vapour is allowed to expand through a very minute aperture, then such a process is known as Free expansion Hyperbolic expansion Adiabatic expansion Throttling Free expansion Hyperbolic expansion Adiabatic expansion Throttling ANSWER DOWNLOAD EXAMIANS APP
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