For mixed flow of a mixture of sizes of unchanging size particles, the mean residence time of a material of a given size is ____

t = \(\frac{Feed \, rate \, of \, solids \, to \, the \, reactor}{Weight of all solids in the reactor} \)

t = \(\frac{Weight \, of \, all \, solids \, in \, the \, reactor}{Feed \, rate \, of \, solids \, to \, the \, reactor} \)

t = \(\frac{Feed \, rate \, of \, solids \, to \, the \, reactor}{Weight of all solids in the reactor} \)

t = \(\frac{Weight \, of \, all \, solids \, in \, the \, reactor}{Reactant \, concentration} \)

t = \(\frac{Reactant \, concentration}{Weight \, of \, all \, solids \, in \, the \, reactor} \)

For mixed flow of a mixture of sizes of unchanging size particles, th

1.	For mixed flow of a mixture of sizes of unchanging size particles, the mean residence time of a material of a given size is ____
A.	t = \(\frac{Weight \, of \, all \, solids \, in \, the \, reactor}{Feed \, rate \, of \, solids \, to \, the \, reactor} \)
B.	t = \(\frac{Feed \, rate \, of \, solids \, to \, the \, reactor}{Weight of all solids in the reactor} \)
C.	t = \(\frac{Weight \, of \, all \, solids \, in \, the \, reactor}{Reactant \, concentration} \)
D.	t = \(\frac{Reactant \, concentration}{Weight \, of \, all \, solids \, in \, the \, reactor} \)
Answer» B. t = \(\frac{Feed \, rate \, of \, solids \, to \, the \, reactor}{Weight of all solids in the reactor} \)

Discussion

No Comment Found

Related MCQs

If weight of all solids in the reactor is 300kg and the feed rate of solids is \(\frac{50kg}{hr},\) then the mean residence time(in hrs) of a material of a given size for mixed flow of a mixture of sizes of unchanging size particles is ____
For mixed flow of a mixture of sizes of unchanging size particles, the mean residence time of a material of a given size is ____
If \(\frac{τ}{t}=\frac{1}{3},\) average conversion for a particle B of constant size in a mixed flow reactor for chemical reaction controlling is ____
If \(\frac{τ}{t}\) = 0.5, average conversion for a particle B of constant size in a mixed flow reactor for film resistance controlling is ____
For mixed flow of particles containing a single unchanging size and uniform gas composition, the fraction unconverted for chemical reaction controlling is ____
For mixed flow of particles containing a single unchanging size and uniform gas composition, the fraction unconverted for film resistance controlling is ____
If \(\overline{X_{Ri}}\) is the mean conversion of a reactant of particle size Ri, Rm is the particle of maximum size in the feed and F(Ri) is the fraction of Ri fed to the reactor, then the mean conversion of solids of a particular size ‘i’ leaving a plug flow reactor converting a mixture of particles of varying sizes is ____
Which of the following does not control the design of fluid – solid reactor?
Which of the following does not provide plug flow of Solid – fluids?
State true or false.The fluidized bed reactor is used for mixed flow of solids.