What is the drop-in enthalpy (in kJ/kg) for a steam whistle which is p – McqOptions

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1.	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?
A.	0.8
B.	8
C.	80
D.	800
Answer» B. 8

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