What is the relation between the heat transfer coefficient vs its film – McqOptions

MCQOPTIONS

1.	What is the relation between the heat transfer coefficient vs its film thickness value at a point x?
A.	h<sub>x</sub> = K/
B.	h<sub>avg</sub> = ( frac{8}{3} K/ delta )
C.	h<sub>avg</sub> = /K
D.	h<sub>avg</sub> = ( frac{4}{3} delta/K )
Answer» B. h<sub>avg</sub> = ( frac{8}{3} K/ delta )

Discussion

No Comment Found

Related MCQs

What is the value of the constant C when the condenser is placed horizontally?<br> h<sub>HOR</sub>=C ([ frac{K^3 p^2 g h_{fg}}{ mu L(T_{sat} T_L)}]^{0.25} )
What is the value of the constant C when the condenser is placed vertically?<br> h<sub>VER</sub>=C ([ frac{K^3 p^2 g h_{fg}}{ mu L(T_{sat} T_L )}]^{0.25} )
What is the relation between the heat transfer coefficient vs its film thickness value at a point x?
What is the relation between the averaged heat transfer coefficient over the entire condenser length vs its film thickness value at a point x?
What is the relation between the averaged heat transfer coefficient over the entire condenser length vs its value at a point x?
What is the expression for Averaged convective heat transfer coefficient for a vertical condenser?
What is the term T<sub>L</sub> in the Nusselt theory of condensation equation for film thickness?<br> ( delta = [ frac{4K(T_{sat}-T_L) mu x}{ rho gh_{fg}}]^{1/4} )
What is the expression for the laminar film thickness of the condensate at a distance of x from the top of the condenser?
What is the expression for flow velocity of the condensate if the density of the vapour is not zero?
What is the term delta in the expression for velocity of condensate flow?<br>M = ( frac{ rho^2}{ mu}g( frac{ delta^3}{3}) )