Fluids in Motion MCQ

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

• Reynolds number signifies the ratio of ____________
  ক

  inertia forces to gravity forces

  খ

  buoyant forces to inertia forces

  গ

  inertial forces to viscous forces

  ঘ

  gravity forces top viscous forces
• The unit of pressure one bar is ___________
  ক

  1 Pascal

  খ

  1 kilo Pascal

  গ

  100 kPascal

  ঘ

  1000 kPascal
• Relative density of mercury is _____________
  ক

  13.6

  খ

  1

  গ

  1000

  ঘ

  9.8
• Simplified equation of continuity is represented as _____________
  ক

  A1V2 = A2V2

  খ

  A1V1 = A1V2

  গ

  A2V1 = A1V1

  ঘ

  A1V1 = A2V2
• Venturi relation is one of the applications of ___________
  ক

  Light equation

  খ

  Bernoulli’s equation

  গ

  Speed equation

  ঘ

  Equation of continuity
• Water ideally flows through a pipe of radius 6 centimeters at a rate of 5 meters per second. The pipe then narrows to a radius of 2 centimeters. What is the new velocity of the water?
  ক

  50 m/s

  খ

  55 m/s

  গ

  60 m/s

  ঘ

  65 m/s
• Is water incompressible?
  ক

  True

  খ

  False
• What do you mean by incompressible flow?
  ক

  Temperature is constant

  খ

  Density is constant

  গ

  Pressure is constant

  ঘ

  Velocity is constant
• In smooth pipes, Laminar flow is encountered at what value of Reynolds number?
  ক

  More than 2100

  খ

  2100-4000

  গ

  More than 4000

  ঘ

  Less than 2100
• Which of the following fluid flow can form “eddies”?
  ক

  Streamline flow

  খ

  Laminar flow

  গ

  Turbulent flow

  ঘ

  Non-turbulent flow