Engineering Thermodynamics The air standard efficiency of an Otto cycle is given by (where r = Compression ratio, and γ = Ratio of specific heats) 1 - rγ - 1 1 - (1/ rγ - 1) 1 + rγ - 1 1 + (1/ rγ - 1) 1 - rγ - 1 1 - (1/ rγ - 1) 1 + rγ - 1 1 + (1/ rγ - 1) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Relation between cp and cv is given by (where cp = Specific heat at constant pressure, cv = Specific heat at constant volume, γ = cp/cv, known as adiabatic index, and R = Gas constant) cp - cv = R cv/ cp =R Both (B) and (C) cv = R/ γ-1 cp - cv = R cv/ cp =R Both (B) and (C) cv = R/ γ-1 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The natural solid fuel is Coke Pulverised coal Wood Anthracite coal Coke Pulverised coal Wood Anthracite coal ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Carbonization of coal consists of Drying and crushing the coal to a fine powder Moulding the finely ground coal under pressure with or without a binding material None of these Heating the wood with a limited supply of air to temperature not less than 280°C Drying and crushing the coal to a fine powder Moulding the finely ground coal under pressure with or without a binding material None of these Heating the wood with a limited supply of air to temperature not less than 280°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics One kg of carbon monoxide requires __________ kg of oxygen to produce 11/7 kg of carbon dioxide gas. All of the listed here 4/7 11/4 9/7 All of the listed here 4/7 11/4 9/7 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following has the minimum atomic mass? Nitrogen Oxygen Sulphur Carbon Nitrogen Oxygen Sulphur Carbon ANSWER DOWNLOAD EXAMIANS APP