Engineering Thermodynamics The expansion ratio (r) is the ratio of (where v1 = Volume at the beginning of expansion, and v2 = Volume at the end of expansion) (v1 + v2)/v1 (v1 + v2)/v2 v1/v2 v2/v1 (v1 + v2)/v1 (v1 + v2)/v2 v1/v2 v2/v1 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The thermodynamic difference between a Rankine cycle working with saturated steam and the Carnot cycle is that Carnot cycle can't work with saturated steam A Rankine cycle receives heat at two places Heat is supplied to water at temperature below the maximum temperature of the cycle Rankine cycle is hypothetical Carnot cycle can't work with saturated steam A Rankine cycle receives heat at two places Heat is supplied to water at temperature below the maximum temperature of the cycle Rankine cycle is hypothetical ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The variables which control the physical properties of a perfect gas are Volume occupied by the gas Pressure exerted by the gas All of these Temperature of the gas Volume occupied by the gas Pressure exerted by the gas All of these Temperature of the gas ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following has the minimum atomic mass? Nitrogen Carbon Sulphur Oxygen Nitrogen Carbon Sulphur Oxygen ANSWER DOWNLOAD EXAMIANS APP
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 30 kJ 84 kJ 114 kJ 54 kJ 30 kJ 84 kJ 114 kJ 54 kJ ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics When the gas is heated at constant pressure, the heat supplied Increases the internal energy of the gas Both (B) and (C) Increases the temperature of the gas Does some external work during expansion Increases the internal energy of the gas Both (B) and (C) Increases the temperature of the gas Does some external work during expansion ANSWER DOWNLOAD EXAMIANS APP
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