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 - rγ - 1 1 + (1/ rγ - 1) 1 - (1/ rγ - 1) 1 + rγ - 1 1 - rγ - 1 1 + (1/ rγ - 1) 1 - (1/ rγ - 1) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A heat exchange process in which the product of pressure and volume remains constant is known as Heat exchange process Hyperbolic process Throttling process Isentropic process Heat exchange process Hyperbolic process Throttling process Isentropic process ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The ratio of specific heat at constant pressure (cp) and specific heat at constant volume (cv) is None of these Equal to one Greater than one Less than one None of these Equal to one Greater than one Less than one ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The reading of the pressure gauge fitted on a vessel is 25 bar. The atmospheric pressure is 1.03 bar and the value of 'g' is 9.81 m/s2. The absolute pressure in the vessel is 26.03 bar 25 bar 23.97 bar 34.81 bar 26.03 bar 25 bar 23.97 bar 34.81 bar ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following gas has a minimum molecular mass? Hydrogen Methane Oxygen Nitrogen Hydrogen Methane Oxygen Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The mass of excess air supplied is equal to (100/23) × Mass of excess carbon (100/23) × Mass of excess oxygen (23/100) × Mass of excess oxygen (23/100) × Mass of excess carbon (100/23) × Mass of excess carbon (100/23) × Mass of excess oxygen (23/100) × Mass of excess oxygen (23/100) × Mass of excess carbon ANSWER DOWNLOAD EXAMIANS APP
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