Engineering Thermodynamics A mixture of gas expands from 0.03 m3 to 0.06 m3 at a constant pressure of 1 MPa and absorbs 84 kJ of heat during the process. The change in internal energy of the mixture is 84 kJ 54 kJ 114 kJ 30 kJ 84 kJ 54 kJ 114 kJ 30 kJ ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The increase in entropy of a system represents Degradation of energy Increase in temperature Decrease in pressure Increase in availability of energy Degradation of energy Increase in temperature Decrease in pressure Increase in availability of energy ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Entropy change depends on Mass transfer Change of temperature Thermodynamic state Heat transfer Mass transfer Change of temperature Thermodynamic state Heat transfer ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics In a no flow reversible process for which p = (-3V + 15) × 105 N/m², V changes from 1 m3 to 2 m3. The work done will be about 10 × 10⁵ kilo joules 100 × 10⁵ joules 1 × 10⁵ joules 10 × 10⁵ joules 10 × 10⁵ kilo joules 100 × 10⁵ joules 1 × 10⁵ joules 10 × 10⁵ joules ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The standard value of atmospheric pressure taken at sea level is 760 mm of Hg 1.013 bar All of these 1013 × 102 N/m2 760 mm of Hg 1.013 bar All of these 1013 × 102 N/m2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics In order that a cycle be reversible, following must be satisfied 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 All of these ANSWER DOWNLOAD EXAMIANS APP
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