In a two-phase system where the continuous phase remains in place, the – McqOptions

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1.	In a two-phase system where the continuous phase remains in place, the gas hold up can be expressed as (where Vs and Vt are the superficial gas velocity and bubble rise velocity)
A.	H = Vs/(Vs-Vt)
B.	H = Vs/(Vs+ Vt)
C.	H = Vs/(Vs.Vt)
D.	H = (Vs+Vt)/Vs
Answer» C. H = Vs/(Vs.Vt)

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