Engineering Thermodynamics Producer gas is obtained by 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 Carbonization 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 Carbonization of bituminous coal ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The compression ratio for petrol engines is 5 to 8 3 to 6 10 to 20 15 to 30 5 to 8 3 to 6 10 to 20 15 to 30 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics According to Avogadro’s law The product of the gas constant and the molecular mass of an ideal gas is constant Equal volumes of all gases, at the same temperature and pressure, contain equal number of molecules All of these The sum of partial pressure of the mixture of two gases is sum of the two The product of the gas constant and the molecular mass of an ideal gas is constant Equal volumes of all gases, at the same temperature and pressure, contain equal number of molecules All of these The sum of partial pressure of the mixture of two gases is sum of the two ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following has the minimum atomic mass? Oxygen Nitrogen Carbon Sulphur Oxygen Nitrogen Carbon Sulphur ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The polytropic index (n) is given by log (p1p2)/log (v1v2) log [(p1v1)/(p2v2)] log (p2/ p1)/log (v1/ v2) log (v1/ v2)/ log (p1/p2) log (p1p2)/log (v1v2) log [(p1v1)/(p2v2)] log (p2/ p1)/log (v1/ v2) log (v1/ v2)/ log (p1/p2) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following laws is applicable for the behaviour of a perfect gas? Boyle's law Gay Lussac’s law Charles ‘law All of these Boyle's law Gay Lussac’s law Charles ‘law All of these ANSWER DOWNLOAD EXAMIANS APP
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