Computational Fluid Dynamics Rules Averaging Online Exam Quiz

Computational Fluid Dynamics Rules Averaging GK Quiz. Question and Answers related to Computational Fluid Dynamics Rules Averaging. MCQ (Multiple Choice Questions with answers about Computational Fluid Dynamics Rules Averaging

The mean of the spatial partial derivative of a flow variable will be equal to ____________

Options

A : 0

B : 1

C : the spatial partial derivative of the mean component

D : the mean component

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Consider two flow variables which can be decomposed as a=A+a’ and b=B+b’. What is ab?

Options

A : 0

B : 1

C : AB

D : a’b’

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The mean of the product of the mean component of one variable and the fluctuating component of another variable is ____________

Options

A : 1

B : 0

C : the product of their mean components

D : the product of their fluctuating components

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Consider a vector flow variable which can be decomposed as vec{a}=vec{A}+vec{a’}.overline{div ,vec{a}} will be equal to ____________

Options

A : div vec{A}

B : overline{div vec{a’}}

C : overline{div vec{a}}

D : overline{div vec{A}}

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The average of the mean component will be ____________

Options

A : equal to zero

B : equal to the mean component itself

C : equal to 1

D : equal to the fluctuating component

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These rules for averaging are used to average ___________

Options

A : fluctuations in the turbulent flow

B : variation in results of turbulent flow

C : the coefficients in FVM

D : the coefficients in FDM

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According to the rules for averaging, which of these will sum up to zero?

Options

A : The mean component of the flow variable

B : The fluctuating component of the flow variable

C : The flow variable

D : Integration of the flow variable

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The mean of the product of a flow variable and the mean component of another flow variable is ____________

Options

A : the product of their mean components

B : the product of their fluctuating components

C : the mean of the product of their mean components

D : the mean of the product of their fluctuating components

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The mean of the space-based integral of a flow variable is equal to ____________

Options

A : the summation of its mean component

B : the space-based integral of its fluctuating component

C : the space-based integral of its mean component

D : the summation of its fluctuating components

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The mean of the summation of two flow variables will be equal to ____________

Options

A : the summation of their mean components – the summation of the mean of their fluctuating components

B : the summation of their mean components + the summation of the mean of their fluctuating components

C : the summation of their fluctuating components

D : the summation of their mean components

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