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 Passing steam over incandescent coke Partial combustion of coal, coke, anthracite coal or charcoal in a mixed air steam blast Carbonisation of bituminous coal Passing air and a large amount of steam over waste coal at about 650°C Passing steam over incandescent coke Partial combustion of coal, coke, anthracite coal or charcoal in a mixed air steam blast ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics For same compression ratio and for same heat added Both Otto and Diesel cycles are equally efficient Efficiency depends on other factors Diesel cycle is more efficient than Otto cycle Otto cycle is more efficient than Diesel cycle Both Otto and Diesel cycles are equally efficient Efficiency depends on other factors Diesel cycle is more efficient than Otto cycle Otto cycle is more efficient than Diesel cycle ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Work-done during adiabatic expansion is given by (where p1 v1, T1 = Pressure, volume and temperature for the initial condition of gas, p2, v2, T2 = Corresponding values for the final condition of gas, R = Gas constant, and γ = Ratio of specific heats) (p1 v1 - p2, v2)/(γ - 1) All of these [m R T1/(γ - 1)][1 - (p2, v2 /p1 v1)] [m R (T1 - T2)] /(γ - 1) (p1 v1 - p2, v2)/(γ - 1) All of these [m R T1/(γ - 1)][1 - (p2, v2 /p1 v1)] [m R (T1 - T2)] /(γ - 1) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics One kg of ethylene (C2H4) requires 2 kg of oxygen and produces 22/7 kg of carbon dioxide and ___ kg of water or steam. 9/7 7/4 11/7 11/4 9/7 7/4 11/7 11/4 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics According to Avogadro's law, for a given pressure and temperature, each molecule of a gas Occupies volume inversely proportional to its molecular weight Occupies same volume Occupies volume inversely proportional to its specific weight Occupies volume proportional to its specific weight Occupies volume inversely proportional to its molecular weight Occupies same volume Occupies volume inversely proportional to its specific weight Occupies volume proportional to its specific weight ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The property of a working substance which increases or decreases as the heat is supplied or removed in a reversible manner, is known as Enthalpy External energy Entropy Internal energy Enthalpy External energy Entropy Internal energy ANSWER DOWNLOAD EXAMIANS APP