Engineering Thermodynamics Superheated vapour behaves As ordinary vapour As steam Exactly as gas Approximately as a gas As ordinary vapour As steam Exactly as gas Approximately as a gas ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Compressed air coming out from a punctured football Remains at the same temperature Becomes hotter May become hotter or cooler depending upon the humidity of the surrounding air Becomes cooler Remains at the same temperature Becomes hotter May become hotter or cooler depending upon the humidity of the surrounding air Becomes cooler ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The total energy of a molecule is shared equally by the various degrees of freedom possessed by it. This law is known as Law of equipartition of energy Law of degradation of energy Law of conservation of energy None of the listed here Law of equipartition of energy Law of degradation of energy Law of conservation of energy None of the listed here 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 - 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 The change of entropy, when heat is absorbed by the gas, is Positive or negative Negative None of these Positive Positive or negative Negative None of these Positive 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) 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 P/T = constant, if v is kept constant V/T = constant, if p is kept constant P v = constant, if T is kept constant ANSWER DOWNLOAD EXAMIANS APP
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