The maximum vapor velocity uv(m/s) at the liquid surface should be les – McqOptions

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1.	The maximum vapor velocity uv(m/s) at the liquid surface should be less than which of the following value?
A.	0.4 ([ frac{ _L- _v}{ _v}]^{1/2} )
B.	0.2 ([ frac{ _L- _v}{ _v}]^{1/2} )
C.	0.8 ([ frac{ _L- _v}{ _v}]^{1/2} )
D.	0.2 ([ frac{ _L- _v}{ _v}]^{1/8} )
Answer» C. 0.8 ([ frac{ _L- _v}{ _v}]^{1/2} )

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