Engineering Thermodynamics A mixture of gas expands from 0.03 m3 to 0.06 m3 at a constant pressure of 1 MPa and absorbs 84 kJ of heat during the process. The change in internal energy of the mixture is 54 kJ 30 kJ 114 kJ 84 kJ 54 kJ 30 kJ 114 kJ 84 kJ ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following is the correct statement? All the reversible engines have the same efficiency. All engines are designed as reversible in order to obtain maximum efficiency. All the reversible and irreversible engines have the same efficiency. Irreversible engines have maximum efficiency. All the reversible engines have the same efficiency. All engines are designed as reversible in order to obtain maximum efficiency. All the reversible and irreversible engines have the same efficiency. Irreversible engines have maximum efficiency. ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The absolute zero pressure will be At the center of the earth At sea level When molecular momentum of the system becomes zero At the temperature of - 273 K At the center of the earth At sea level When molecular momentum of the system becomes zero At the temperature of - 273 K ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A cycle consisting of one constant pressure, one constant volume and two isentropic processes is known as Otto cycle Stirling cycle Diesel cycle Carnot cycle Otto cycle Stirling cycle Diesel cycle Carnot cycle ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The door of a running refrigerator inside a room was left open. Which of the following statements is correct? The temperature of the air in room will remain unaffected The room will be cooled very slightly The room will be cooled to the temperature inside the refrigerator The room will be gradually warmed up The temperature of the air in room will remain unaffected The room will be cooled very slightly The room will be cooled to the temperature inside the refrigerator The room will be gradually warmed up ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics In S. I. units, the value of the universal gas constant is 831.4 J/kg mole-K 8314 J/kg mole-K 8.314 J/kg mole-K 83.14 J/kg mole-K 831.4 J/kg mole-K 8314 J/kg mole-K 8.314 J/kg mole-K 83.14 J/kg mole-K ANSWER DOWNLOAD EXAMIANS APP
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