Engineering Thermodynamics Which of the following gas has a minimum molecular mass? Nitrogen Hydrogen Methane Oxygen Nitrogen Hydrogen Methane Oxygen ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics For a perfect gas, according to Boyle’s law (where P = Absolute pressure, V = Volume and T = Absolute temperature) P/T = constant, if v is kept constant V/T = constant, if p is kept constant P v = constant, if T is kept constant T/P = constant, if v is kept constant P/T = constant, if v is kept constant V/T = constant, if p is kept constant P v = constant, if T is kept constant T/P = constant, if v is kept constant 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 Passing air and a large amount of steam over waste coal at about 650°C Passing steam over incandescent coke Carbonisation of bituminous coal Partial combustion of coal, coke, anthracite coal or charcoal in a mixed air steam blast Passing air and a large amount of steam over waste coal at about 650°C Passing steam over incandescent coke Carbonisation of bituminous coal ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The variables which control the physical properties of a perfect gas are All of these Temperature of the gas Pressure exerted by the gas Volume occupied by the gas All of these Temperature of the gas Pressure exerted by the gas Volume occupied by the gas ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A diathermic wall is one which Encourages thermal interaction Permits thermal interaction Discourages thermal interaction Prevents thermal interaction Encourages thermal interaction Permits thermal interaction Discourages thermal interaction Prevents thermal interaction 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 + (T2/T1) (T1/T2) - 1 1 - (T1/T2) 1 - (T2/T1) 1 + (T2/T1) (T1/T2) - 1 1 - (T1/T2) 1 - (T2/T1) ANSWER DOWNLOAD EXAMIANS APP
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