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 30 kJ 84 kJ 54 kJ 114 kJ 30 kJ 84 kJ 54 kJ 114 kJ ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The efficiency of the Carnot cycle is (where T1 and T2 = Highest and lowest temperature during the cycle) 1 - (T1/T2) 1 - (T2/T1) (T1/T2) - 1 1 + (T2/T1) 1 - (T1/T2) 1 - (T2/T1) (T1/T2) - 1 1 + (T2/T1) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following is the correct statement? All the reversible and irreversible engines have the same efficiency. Irreversible engines have maximum efficiency. All engines are designed as reversible in order to obtain maximum efficiency. All the reversible engines have the same efficiency. All the reversible and irreversible engines have the same efficiency. Irreversible engines have maximum efficiency. All engines are designed as reversible in order to obtain maximum efficiency. All the reversible engines have the same efficiency. ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics According to Avogadro’s law The sum of partial pressure of the mixture of two gases is sum of the two All of these Equal volumes of all gases, at the same temperature and pressure, contain equal number of molecules The product of the gas constant and the molecular mass of an ideal gas is constant The sum of partial pressure of the mixture of two gases is sum of the two All of these Equal volumes of all gases, at the same temperature and pressure, contain equal number of molecules The product of the gas constant and the molecular mass of an ideal gas is constant ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Mond gas is obtained by Carbonisation of bituminous coal Passing air and a large amount of steam over waste coal at about 650°C Partial combustion of coal, coke, anthracite coal or charcoal in a mixed air steam blast Passing steam over incandescent coke Carbonisation of bituminous coal Passing air and a large amount of steam over waste coal at about 650°C Partial combustion of coal, coke, anthracite coal or charcoal in a mixed air steam blast Passing steam over incandescent coke ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A tri-atomic molecule consists of __________ atoms. Two One Three Four Two One Three Four ANSWER DOWNLOAD EXAMIANS APP
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