Engineering Thermodynamics According to First law of thermodynamics, Total internal energy of a system during a process remains constant Internal energy, enthalpy and entropy during a process remain constant Total energy of a system remains constant Work-done by a system is equal to the heat transferred by the system Total internal energy of a system during a process remains constant Internal energy, enthalpy and entropy during a process remain constant Total energy of a system remains constant Work-done by a system is equal to the heat transferred by the system ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The area under the temperature-entropy curve (T – s curve) of any thermodynamic process represents Either heat absorbed or heat rejected Heat rejected Heat absorbed None of the listed here Either heat absorbed or heat rejected Heat rejected Heat absorbed None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The statement that molecular weights of all gases occupy the same volume is known as Law of thermodynamics Gas law Dalton's law Avogadro's hypothesis Law of thermodynamics Gas law Dalton's law Avogadro's hypothesis ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The air standard efficiency of an Otto cycle is given by (where r = Compression ratio, and γ = Ratio of specific heats) 1 + rγ - 1 1 + (1/ rγ - 1) 1 - (1/ rγ - 1) 1 - rγ - 1 1 + rγ - 1 1 + (1/ rγ - 1) 1 - (1/ rγ - 1) 1 - rγ - 1 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which law states that the specific heat of a gas remains constant at all temperatures and pressures? Boyle's Law Charles' Law Regnault's Law Joule's Law Boyle's Law Charles' Law Regnault's Law Joule's Law ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Carnot cycle efficiency depends upon Working condition Condition of engine Temperature range of operation Properties of the medium/substance used Working condition Condition of engine Temperature range of operation Properties of the medium/substance used ANSWER DOWNLOAD EXAMIANS APP
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