Averaging Rules MCQ

Test your knowledge with important Averaging Rules MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30+ more Averaging Rules MCQs on Bissoy. Bissoy App

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

  0

  খ

  1

  গ

  AB

  ঘ

  a’b’
• The mean of the product of a flow variable and the mean component of another flow variable is ____________
  ক

  the product of their mean components

  খ

  the product of their fluctuating components

  গ

  the mean of the product of their mean components

  ঘ

  the mean of the product of their fluctuating components
• The mean of the product of the mean component of one variable and the fluctuating component of another variable is ____________
  ক

  1

  খ

  0

  গ

  the product of their mean components

  ঘ

  the product of their fluctuating components
• The mean of the space-based integral of a flow variable is equal to ____________
  ক

  the summation of its mean component

  খ

  the space-based integral of its fluctuating component

  গ

  the space-based integral of its mean component

  ঘ

  the summation of its fluctuating components
• The mean of the summation of two flow variables will be equal to ____________
  ক

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

  খ

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

  গ

  the summation of their fluctuating components

  ঘ

  the summation of their mean components
• The mean of the spatial partial derivative of a flow variable will be equal to ____________
  ক

  0

  খ

  1

  গ

  the spatial partial derivative of the mean component

  ঘ

  the mean component
• The average of the mean component will be ____________
  ক

  equal to zero

  খ

  equal to the mean component itself

  গ

  equal to 1

  ঘ

  equal to the fluctuating component
• According to the rules for averaging, which of these will sum up to zero?
  ক

  The mean component of the flow variable

  খ

  The fluctuating component of the flow variable

  গ

  The flow variable

  ঘ

  Integration of the flow variable
• These rules for averaging are used to average ___________
  ক

  fluctuations in the turbulent flow

  খ

  variation in results of turbulent flow

  গ

  the coefficients in FVM

  ঘ

  the coefficients in FDM