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Biochemical Engineering

For turbulent flow, Reynolds number is correlated with power number as (where K, a constant which depends on the container geometry and shape of stirrer; Rei, is Reynolds number for agitator; Di, stirrer diameter and N, stirrer speed)

Agitation And Aeration, Biochemical Engineering /
Question: For turbulent flow, Reynolds number is correlated with power number as (where K, a constant which depends on the container geometry and shape of stirrer; Rei, is Reynolds number for agitator; Di, stirrer diameter and N, stirrer speed)
[A].

Np = K(Rei)-1

[B].

Np = N2Di(Rei)-1

[C].

Np = K

[D].

Can’t be correlated

Answer: Option C

Explanation:

No answer description available for this question.

For turbulent flow, Reynolds number is correlated with power number as (where K, a constant which depends on the container geometry and shape of stirrer; Rei, is Reynolds number for agitator; Di, stirrer diameter and N, stirrer speed) Read More »

Agitation And Aeration, Biochemical Engineering

For laminar flow, Reynolds number is correlated with power number as (where K, a constant which depends on the container geometry and shape of stirrer; Rei is Reynolds number for agitator; Di, stirrer diameter and N, stirrer speed)

Agitation And Aeration, Biochemical Engineering /
Question: For laminar flow, Reynolds number is correlated with power number as (where K, a constant which depends on the container geometry and shape of stirrer; Rei is Reynolds number for agitator; Di, stirrer diameter and N, stirrer speed)
[A].

Np = K(Rei)-1

[B].

Np = N2Di(Rei)-1

[C].

Np = K(Rei)

[D].

Np = KNDi(Rei)-2

Answer: Option A

Explanation:

No answer description available for this question.

For laminar flow, Reynolds number is correlated with power number as (where K, a constant which depends on the container geometry and shape of stirrer; Rei is Reynolds number for agitator; Di, stirrer diameter and N, stirrer speed) Read More »

Agitation And Aeration, Biochemical Engineering

Reynolds (Rei) number for the impeller is given by (where Di, stirrer diameter; N, stirrer speed, ρ, density of fluid and μ, viscosity of fluid)

Agitation And Aeration, Biochemical Engineering /
Question: Reynolds (Rei) number for the impeller is given by (where Di, stirrer diameter; N, stirrer speed, ρ, density of fluid and μ, viscosity of fluid)
[A].

DiVρ/μ

[B].

Di2Nρ/μ

[C].

Di2Vρ/μ

[D].

DiNρ /μ

Answer: Option B

Explanation:

No answer description available for this question.

Reynolds (Rei) number for the impeller is given by (where Di, stirrer diameter; N, stirrer speed, ρ, density of fluid and μ, viscosity of fluid) Read More »

Agitation And Aeration, Biochemical Engineering