Engineering Thermodynamics A path 1-2-3 is given. A system absorbs 100 kJ as heat and does 60 kJ of work while along the path 1-4-3, it does 20 kJ of work. The heat absorbed during the cycle 1-4-3 is -80 kJ +60 kJ -40 kJ -140 kJ -80 kJ +60 kJ -40 kJ -140 kJ ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics For which of the following substances, the gas laws can be used with minimum error Saturated steam Dry steam Superheated steam Wet steam Saturated steam Dry steam Superheated steam Wet steam ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following is the correct statement of the second law of thermodynamics? There is a definite amount of mechanical energy, which can be obtained from a given quantity of heat energy All of these It is impossible to transfer heat from a body at a lower temperature to a higher temperature, without the aid of an external source It is impossible to construct an engine working on a cyclic process, whose sole purpose is to convert heat energy into work There is a definite amount of mechanical energy, which can be obtained from a given quantity of heat energy All of these It is impossible to transfer heat from a body at a lower temperature to a higher temperature, without the aid of an external source It is impossible to construct an engine working on a cyclic process, whose sole purpose is to convert heat energy into work ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics According to Dalton's law, the total pressure of the mixture of gases is equal to Greater of the partial pressures of all Sum of the partial pressures of all divided by average molecular weight Average of the partial pressures of all Sum of the partial pressures of all Greater of the partial pressures of all Sum of the partial pressures of all divided by average molecular weight Average of the partial pressures of all Sum of the partial pressures of all ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics For a perfect gas, according to Boyle’s law (where P = Absolute pressure, V = Volume and T = Absolute temperature) T/P = constant, if v is kept constant P/T = constant, if v is kept constant V/T = constant, if p is kept constant P v = constant, if T is kept constant T/P = constant, if v is kept constant P/T = constant, if v is kept constant V/T = constant, if p is kept constant P v = constant, if T is kept constant ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics In an ideal gas turbine plant, it is assumed that the compression and expansion processes are Isentropic Isothermal None of these Polytropic Isentropic Isothermal None of these Polytropic ANSWER DOWNLOAD EXAMIANS APP
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