Engineering Thermodynamics In a free expansion process Work done is zero but heat increases Work done is zero Heat transfer is zero Both (A) and (B) above Work done is zero but heat increases Work done is zero Heat transfer is zero Both (A) and (B) above ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics If a gas is heated against a pressure, keeping the volume constant, then work done will be equal to -ve Anywhere between zero and infinity +ve Zero -ve Anywhere between zero and infinity +ve Zero ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The change of entropy, when heat is absorbed by the gas, is Positive Positive or negative None of these Negative Positive Positive or negative None of these Negative ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics According to First law of thermodynamics, Total energy of a system remains constant Internal energy, enthalpy and entropy during a process remain 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 Total energy of a system remains constant Internal energy, enthalpy and entropy during a process remain 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 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Otto cycle consists of Two constant pressure and two isentropic processes One constant pressure, one constant volume and two isentropic processes Two constant volume and two isothermal processes Two constant volume and two isentropic processes Two constant pressure and two isentropic processes One constant pressure, one constant volume and two isentropic processes Two constant volume and two isothermal processes Two constant volume and two isentropic processes ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The value of cp/cv for air is 1.45 1.4 1 2.3 1.45 1.4 1 2.3 ANSWER DOWNLOAD EXAMIANS APP
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