railway RRB JE (CBT I + CBT II) Mock Test 2024 Thermodynamics First Law of Thermodynamics Steady Flow Energy Equation
What is the drop-in enthalpy (in kJ/kg) for a steam whistle which is perfectly insulated and does not work, has an exit velocity of steam at 40 m/sec?
1
0.8
2
8
3
80
4
800