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 + v2)/v2 v2/v1 (v1 + v2)/v1 v1/v2 (v1 + v2)/v2 v2/v1 (v1 + v2)/v1 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Change in internal energy in a closed system is equal to heat transferred if the reversible process takes place at constant Pressure Volume Temperature Internal energy Pressure Volume Temperature Internal energy ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The unit of length in S.I. units is Centimeter Kilometer Meter Millimeter Centimeter Kilometer Meter Millimeter ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics First law of thermodynamics furnishes the relationship between Various properties of the system Heat and work Heat, work and properties of the system Various thermodynamic processes Various properties of the system Heat and work Heat, work and properties of the system Various thermodynamic processes ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The variables which control the physical properties of a perfect gas are Temperature of the gas Pressure exerted by the gas All of these Volume occupied by the gas Temperature of the gas Pressure exerted by the gas All of these Volume occupied by the gas 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
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