Engineering Thermodynamics On volume basis, air contains following parts of oxygen 77 21 23 25 77 21 23 25 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Mond gas is obtained by 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 Carbonisation of bituminous coal Passing air and a large amount of steam over waste coal at about 650°C Passing steam over incandescent coke ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The efficiency of Diesel cycle approaches to Otto cycle efficiency when Cut-off is zero Cut-off is decreased Cut-off is increased Cut-off is constant Cut-off is zero Cut-off is decreased Cut-off is increased Cut-off is constant ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The compression ratio for petrol engines is 10 to 20 5 to 8 3 to 6 15 to 30 10 to 20 5 to 8 3 to 6 15 to 30 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The air standard efficiency of an Otto cycle is given by (where r = Compression ratio, and γ = Ratio of specific heats) 1 - (1/ rγ - 1) 1 + (1/ rγ - 1) 1 + rγ - 1 1 - rγ - 1 1 - (1/ rγ - 1) 1 + (1/ rγ - 1) 1 + rγ - 1 1 - rγ - 1 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following can be regarded as gas so that gas laws could be applicable, within the commonly encountered temperature limits? O₂, N₂, H₂, air O₂, N₂, water vapour O₂, N₂, steam, CO₂ SO₂, NH₃, CO₂, moisture O₂, N₂, H₂, air O₂, N₂, water vapour O₂, N₂, steam, CO₂ SO₂, NH₃, CO₂, moisture ANSWER DOWNLOAD EXAMIANS APP