Engineering Thermodynamics The gas constant (R) is equal to the __________ of two specific heats. Sum Ratio Difference Product Sum Ratio Difference Product ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics In S. I. units, the value of the universal gas constant is 831.4 J/kg mole-K 83.14 J/kg mole-K 8314 J/kg mole-K 8.314 J/kg mole-K 831.4 J/kg mole-K 83.14 J/kg mole-K 8314 J/kg mole-K 8.314 J/kg mole-K ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The efficiency of the Carnot cycle is (where T1 and T2 = Highest and lowest temperature during the cycle) 1 + (T2/T1) (T1/T2) - 1 1 - (T1/T2) 1 - (T2/T1) 1 + (T2/T1) (T1/T2) - 1 1 - (T1/T2) 1 - (T2/T1) 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 A closed system is one in which Mass does not cross boundaries of the system, though energy may do so Mass crosses the boundary but not the energy Neither mass nor energy crosses the boundaries of the system Both energy and mass cross the boundaries of the system Mass does not cross boundaries of the system, though energy may do so Mass crosses the boundary but not the energy Neither mass nor energy crosses the boundaries of the system Both energy and mass cross the boundaries of the system ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The air standard efficiency of an Otto cycle is given by (where r = Compression ratio, and γ = Ratio of specific heats) 1 + (1/ rγ - 1) 1 - rγ - 1 1 - (1/ rγ - 1) 1 + rγ - 1 1 + (1/ rγ - 1) 1 - rγ - 1 1 - (1/ rγ - 1) 1 + rγ - 1 ANSWER DOWNLOAD EXAMIANS APP
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