Engineering Thermodynamics In closed cycle gas turbine, the air is compressed Polytropically Isothermally Isentropically None of these Polytropically Isothermally Isentropically None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics In order that a cycle be reversible, following must be satisfied 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 When beat is being rejected, temperature of cold source and working substance should be same ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The change of entropy, when heat is absorbed by the gas, is Negative Positive or negative None of these Positive Negative Positive or negative None of these Positive ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics If a gas is heated against a pressure, keeping the volume constant, then work done will be equal to +ve Anywhere between zero and infinity -ve Zero +ve Anywhere between zero and infinity -ve Zero ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The ideal efficiency of a Brayton cycle without regeneration, with increase in pressure ratio will Increase Decrease Increase/decrease depending on application Remain unchanged Increase Decrease Increase/decrease depending on application Remain unchanged ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics When two bodies are in thermal equilibrium with a third body, they are also in thermal equilibrium with each other. This statement is called First law of thermodynamics Zeroth law of thermodynamics Second law of thermodynamics Kelvin Planck's law First law of thermodynamics Zeroth law of thermodynamics Second law of thermodynamics Kelvin Planck's law ANSWER DOWNLOAD EXAMIANS APP
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