engineering recuitment JSSC JE Mock Test 2023 Thermodynamics First Law of Thermodynamics Steady Flow Energy Equation
Which equation correctly represents the steady flow process where enthalpy, work and heat are in kJ/kg, velocity is in m/s and gravitational acceleration is in m/s2?
1
\(h_1 +\frac{C_1^2}{2}+gz_1+\frac{dQ}{dm}=h_2 +\frac{C_2^2}{2}+gz_2+\frac{dW}{dm}\)
2
\(h_1 +\frac{C_1^2}{2}+gz_1-\frac{dQ}{dm}=h_2 +\frac{C_2^2}{2}+gz_2-\frac{dW}{dm}\)
3
\(h_1 +\frac{C_1^2}{2000}+\frac{gz_1}{1000}+\frac{dQ}{dm}=h_2 +\frac{C_2^2}{2000}+\frac{gz_2}{1000}+\frac{dW}{dm} \)
4
\(h_1 +\frac{C_1^2}{2000}+\frac{gz_1}{1000}-\frac{dQ}{dm}=h_2 +\frac{C_2^2}{2000}+\frac{gz_2}{1000}-\frac{dW}{dm}\)