Engineering Thermodynamics According to First law of thermodynamics, Work-done by a system is equal to the heat transferred by the system Internal energy, enthalpy and entropy during a process remain constant Total energy of a system remains constant Total internal energy of a system during a process remains constant Work-done by a system is equal to the heat transferred by the system Internal energy, enthalpy and entropy during a process remain constant Total energy of a system remains constant Total internal energy of a system during a process remains constant ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The hard coke is obtained when carbonization of coal is carried out at 700° to 900°C 300° to 500°C 900° to 1100°C 500° to 700°C 700° to 900°C 300° to 500°C 900° to 1100°C 500° to 700°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A tri-atomic molecule consists of __________ atoms. Four Three Two One Four Three Two One ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics In an isothermal process, the internal energy of gas molecules Remain constant May increase/decrease depending on the properties of gas Decreases Increases Remain constant May increase/decrease depending on the properties of gas Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Gases have No value of specific heat Two values of specific heat Only one value of specific heat Under some conditions one value and sometimes two values of specific heat No value of specific heat Two values of specific heat Only one value of specific heat Under some conditions one value and sometimes two values of specific heat ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics If heat be exchanged in a reversible manner, which of the following property of the working substance will change accordingly Internal energy Entropy Temperature Enthalpy Internal energy Entropy Temperature Enthalpy ANSWER DOWNLOAD EXAMIANS APP
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