Quiz  /  Computational fluid dynamics Gate & PSU MCQ Questions With Answers...

  • 1. 
    The study of properties of fluids in motion is called

  • Fluids Study
  • Fluids statics
  • Fluids dynamics
  • None

  • 2. 
    The equation is called

  • Continuity equation
  • Bernoulli's equation
  • Venturi relation
  • Stoke's law

  • 3. 
    Which of the following is an important property in determining how a fluid moves:

  • Density
  • Temperature
  • Pressure
  • All of these are important

  • 4. 
    Pitot tube measures

  • atmospheric pressure
  • Pressure in a car tyre
  • velocity of flow
  • piezometric pressure

  • 5. 
    Concepts under Fluid Dynamics

  • Bernoulli's Principle
  • Equation of Continuity
  • Pressure, Temperature & Composition
  • Both A & B

  • 6. 
    According to equation of continuity, A1V1 = A2V2 = constant. The constant is equal to:

  • Flow rate
  • Volume of fluid
  • Mass of fluid
  • Density of fluid

  • 7. 
    Venturi meter is a device used to measure:

  • Pressure of the fluid
  • Viscosity of the fluid
  • Velocity of the fluid
  • Density of the fluid

  • 8. 
    It states that, "in the case of steady flow, the amount of fluid flowing past one point must be the same as the amount of fluid flowing past another point, or the mass flow rate is constant."

  • Pascal's Principle
  • Buoyancy and Archimedes' Principle
  • Equation of Continuity
  • Bernoulli's Principle

  • 9. 
    BONUS ROUNDIt is the sub-part of Fluid Mechanics that studies the flow of Fluid

  • Fluid Dymanics
  • Fluid Dinanics
  • Fluid Dimamics
  • Fluid Dynamics

  • 10. 
    This equation requires that there shouldn't be same amount of fluid from point to point or have constant mass flow rate.

  • TRUE
  • FALSE
  • Undermined
  • All of above

  • 11. 
    It states that, "as the speed of a fluid increases, there is a simultaneous decrease in the pressure of a fluid and a decrease in it's potential energy.

  • Pascal's Principle
  • Buoyancy and Archimedes' Principle
  • Bernoulli's Principle
  • Equation of Continuity

  • 12. 
    What is TRUE about Fluid Dynamics?

  • It describes the flow of fluids and forces that affects the fluid.
  • It studies aerodynamics and hydrodynamics
  • It shares part with the discussion of Fluid Mechanics
  • All of above

  • 13. 
    If the discharge is constant, what type of flow does it has?

  • Compressible
  • Laminar
  • Steady
  • Uniform

  • 14. 
    Fluid dynamics is best described as:

  • the study of water in motion
  • the study of liquids and gases in motion
  • the study of gases in motion
  • the study of air in motion

  • 15. 
    Potential energy is stored energy, while kinetic energy is energy of:

  • position
  • motion
  • height
  • shape

  • 16. 
    In equation of continuity, the units of Av is given as:

  • Cubic meter
  • Cubic meter per second
  • Square meter per second
  • Square meter per square second

  • 17. 
    Bernoulli’s equation is obtained by applying law of conservation of.

  • Mass
  • Energy
  • Momentum
  • Force

  • 18. 
    A flow that travels along and collides, resulting to change in flow direction.

  • Laminar Flow
  • Laminent Flow
  • Turculent Flow
  • Turbulent Flow

  • 19. 
    Both Laminar flow and Turbulent flow occur inside or outside an object.

  • TRUE
  • SOMEWHAT TRUE
  • FALSE
  • SOMEWHAT FALSE
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