Pressure Finite Element Model MCQ

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

• In matrix algebra, if a matrix is positive definite, then all its eigenvalues are greater than zero.
  ক

  True

  খ

  False
• For the vector form of the finite element model of momentum and continuity equations MΔ+K11Δ+K12P=0 what is the order of matrix F if the order of M is 2n x 2n?
  ক

  2n x 1

  খ

  1 x 2n

  গ

  m x 2n

  ঘ

  2n x m
• For the vector form of the finite element model of momentum and continuity equations MΔ+K11Δ+K12P=0, what is the correct expression for mass matrix M?
  ক

  M=∫ΩcρψTψdx

  খ

  M=∫ΩcfψTψdx

  গ

  M=∫ΩctψTψdx

  ঘ

  M=∫ΩcPψTψdx
• Which equation is the correct vector form of the finite element model of momentum and continuity equations in the flow domain?
  ক

  MΔ+K11Δ+K12P=0

  খ

  MΔ+K11Δ+K22P=F1

  গ

  MΔ+K22Δ+K12P=F1

  ঘ

  MΔ+K11Δ+K12P=F1
• Which option is not correct concerning the velocity variables, vx and vy in the weak form of the momentum and continuity equation?
  ক

  They are primary variables

  খ

  The minimum continuity requirement for interpolation is that they are linear in x and y

  গ

  The minimum continuity requirement for interpolation is that they are constant

  ঘ

  They are continuous across the inter-element boundary
• Which option is not correct concerning the pressure variable, P in the weak form of the momentum and continuity equation?
  ক

  P is a primary variable

  খ

  P is a part of the secondary variables

  গ

  P=constant is the minimum continuity requirement for interpolation

  ঘ

  It is discontinuous across inter-element boundaries
• For a governing equation, what does one conclude from the weak formulation if it does not contain boundary integral involving weight function?
  ক

  Integration by parts is used

  খ

  Integration by parts is not used

  গ

  The weight function is as a primary variable

  ঘ

  The weight function is to be made continuous across inter-element boundaries
• In the formulation of governing equations, which option does not signify the characteristics of a weight function?
  ক

  Weight functions are multiplied to governing equations to obtain weak forms

  খ

  Weight functions are interpreted from the physical setup of the problem

  গ

  Weight function must denote a non-dimensional quantity

  ঘ

  Weight function can be interpreted as a velocity
• In velocity-pressure formulation in FEM, which step is not used in the development of a weak form?
  ক

  Multiply governing equations with weight functions

  খ

  Integrating over the element domain

  গ

  Integrating by parts

  ঘ

  Performing coordinate transformation