Significance of Dimensionless Groups MCQ

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

• Which number establishes the relation between convective film coefficient, thermal conductivity of the fluid and a significant length parameter?
  ক

  Nusselt number

  খ

  Stanton number

  গ

  Peclet number

  ঘ

  Fourier number
• Which number indicates the relative ability of the fluid to diffuse momentum and internal energy by molecular mechanisms?
  ক

  Nusselt number

  খ

  Prandtl number

  গ

  Peclet number

  ঘ

  Stanton number
• The ratio of heat transfer coefficient to the flow of heat per unit temperature rise due to the velocity of the fluid is known as
  ক

  Fourier number

  খ

  Grashof number

  গ

  Peclet number

  ঘ

  Stanton number
• The product of buoyant force and inertia force to the square of the viscous force is known as
  ক

  Stanton number

  খ

  Grashof number

  গ

  Fourier number

  ঘ

  Peclet number
• What is the value of Prandtl number for liquid metals?
  ক

  0.003-0.01

  খ

  0.01-0.1

  গ

  0.1-0.5

  ঘ

  0.5-0.95
• What is the value of Prandtl number for highly viscous oils?
  ক

  100-1000

  খ

  0-100

  গ

  10-100

  ঘ

  100-10000
• Identify the correct statement
  ক

  Peclet number = (Graetz number) (Fourier number)

  খ

  Peclet number = (Stanton number) (Fourier number)

  গ

  Peclet number = (Reynolds number) (Prandtl number)

  ঘ

  Peclet number = (Graetz number) (Reynolds number)
• The ratio of heat capacity of fluid flowing through the pipe per unit of length to the conductivity of pipe material is known as
  ক

  Graetz number

  খ

  Reynolds number

  গ

  Peclet number

  ঘ

  Fourier number
• The ratio of heat flow rate by convection to flow rate by conduction is known as
  ক

  Stanton number

  খ

  Graetz number

  গ

  Fourier number

  ঘ

  Peclet number
• Ratio of inertia force to viscous force is known as
  ক

  Grashof number

  খ

  Reynolds number

  গ

  Peclet number

  ঘ

  Stanton number