Fluid Flow Theory MCQ

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

• What type of fluid is alcohol?
  ক

  Thixotropy

  খ

  Rheopexy fluids

  গ

  Non- Newtonian fluid

  ঘ

  Newtonian fluid
• Laminar flow and turbulent flow depends on __________
  ক

  Reynolds number

  খ

  Prandtl number

  গ

  Nusselt number

  ঘ

  Archimedes number
• What are examples of the rheopexy fluids?
  ক

  Gypsum pastes, printer inks

  খ

  Gypsum pastes, ketchup

  গ

  Printer inks, ketchup

  ঘ

  Only ketchup
• The viscosity of liquid ____________as temperature increases.
  ক

  increases

  খ

  decreases

  গ

  remains same

  ঘ

  fluctuation
• The viscosity of gases ____________as temperature increases.
  ক

  increases

  খ

  decreases

  গ

  remains same

  ঘ

  fluctuation
• Shear thinning is also called as __________
  ক

  thixotropy

  খ

  pseudoplastic

  গ

  non-newton fluid

  ঘ

  relative shear stress
• Are these statements about the pseudoplastic fluids true? Statement 1:The viscosity of these fluids decreases as the shear rate decreases. Statement 2: Tomato puree is an example of pseudoplastic fluid.
  ক

  True, False

  খ

  True, True

  গ

  False, True

  ঘ

  False, False
• Viscosity is based on _________
  ক

  law of conservation of mass only

  খ

  law of conservation of energy only

  গ

  Newton’s law

  ঘ

  third law of thermodynamics only
• The ratio between shear stress and shear rate in a fluid is called __________
  ক

  bulk modulus

  খ

  viscosity

  গ

  specific density

  ঘ

  young’s modulus
• Viscous force is of the same character as _______ forces in solids.
  ক

  shear

  খ

  impact

  গ

  gravitational

  ঘ

  electromagnetic