Engineering Thermodynamics Entropy change depends on Heat transfer Thermodynamic state Change of temperature Mass transfer Heat transfer Thermodynamic state Change of temperature Mass transfer ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The heat absorbed or rejected by the working substance is given by (where ds = Increase or decrease of entropy, T = Absolute temperature, and dQ = Heat absorbed or rejected) dQ = ds/T None of the listed here δQ = T.ds δQ = T/ds dQ = ds/T None of the listed here δQ = T.ds δQ = T/ds 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) V/T = constant, if p is kept constant P v = constant, if T is kept constant P/T = constant, if v is kept constant T/P = constant, if v is kept constant V/T = constant, if p is kept constant P v = constant, if T is kept constant P/T = constant, if v is kept constant T/P = constant, if v is kept constant ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Compressed air coming out from a punctured football Becomes cooler May become hotter or cooler depending upon the humidity of the surrounding air Remains at the same temperature Becomes hotter Becomes cooler May become hotter or cooler depending upon the humidity of the surrounding air Remains at the same temperature Becomes hotter ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics In order that a cycle be reversible, following must be satisfied When beat is being rejected, temperature of cold source and working substance should be same All of these When heat is being absorbed, temperature of hot source and working substance should be same Free expansion or friction resisted expansion/compression process should not be encountered When beat is being rejected, temperature of cold source and working substance should be same All of these When heat is being absorbed, temperature of hot source and working substance should be same Free expansion or friction resisted expansion/compression process should not be encountered ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following laws is applicable for the behaviour of a perfect gas? Gay Lussac’s law Charles ‘law Boyle's law All of these Gay Lussac’s law Charles ‘law Boyle's law All of these ANSWER DOWNLOAD EXAMIANS APP
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