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Quiz

Fluids

Mark Zachkewich 13 Fragen

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Fragen in diesem Quiz (13)

  1. 1Fluids can resist shear stresses.
    1. ARichtig
    2. BFalsch
  2. 2An example of an extensive property is
    1. ATempreature
    2. BMass
    3. CPressure
    4. DDensity
  3. 3The density of all fluids varies greatly with temperature and pressure.
    1. ARichtig
    2. BFalsch
  4. 4Viscosity is:
    1. Aa measure of a fluids resistance to flow under shear forces.
    2. Ba measure of how a fluid resists compression
    3. Cweight of a fluid per unit volume
    4. Dmass of fluid per unit volume
  5. 5No slip condition is?
    1. Azero velocity of the fluid at a fixed surface
    2. Bthe inside of a pipe being smooth
    3. Cdeveloped in frictionless flow
  6. 6[blank_start]Newtonian Fluid[blank_end]- maintains a constant viscosity for any shear stress and strain rate.
    [blank_start]Non-Newtonian Fluid[blank_end]- a fluid with a non-linear relation between shear stress and shear strain.
    [blank_start]Apparent Viscosity[blank_end]- the viscosity of a fluid at any given point in time.
    [blank_start]Dilatant Fluid[blank_end]- a Non-Newtonian fluid whose viscosity increases as the shear stress strain rate increases.
    [blank_start]Pseudoplastic Fluid[blank_end]- a Non-Newtonian fluid whose viscosity decreases as the shear stress strain rate increases.
    1. ANewtonian Fluid
    2. BNon-Newtonian Fluid
    3. CApparent Viscosity
    4. DDilatant Fluid
    5. EPseudoplastic Fluid
  7. 7Viscosity:
    1. AIncreases greatly with pressure
    2. BDecreases greatly with pressure
    3. CIncreases slightly with pressure
    4. DDecreases slightly with pressure
    5. EDecreases with an increase in temperature for liquids
    6. FIncreases with an increase in temperature for liquids
    7. GDecreases with an increase in temperature for gasses
    8. HIncreases with an increase in temperature for gasses
  8. 8[blank_start]Cohesion[blank_end]- the attraction between fluid molecules
    [blank_start]Adhesion[blank_end]- the attraction between the fluid molecules and the container.
    [blank_start]Surface Tension[blank_end]- the force per unit length required to separate molecules on the surface of the fluid.
    If adhesion is greater than cohesion a [blank_start]concave up[blank_end] meniscus is formed.
    If cohesion is greater than adhesion a [blank_start]convex up[blank_end] meniscus is formed.
    [blank_start]Wetting liquids[blank_end] form a concave up meniscus.
    [blank_start]Non-wetting liquids[blank_end] form a concave down meniscus.
    1. ACohesion
    2. BAdhesion
    3. CSurface Tension
    4. Dconcave up
    5. Econvex up
    6. FWetting liquids
    7. GNon-wetting liquids
  9. 9What is the velocity of a scenario under hydrostatic conditions.
    1. Astationary
    2. Bany velocity
    3. Cany velocity with no acceleration
    4. Dinfinite velocity
  10. 10In hydrostatic conditions their is constant pressure in the horizontal plane.
    1. ARichtig
    2. BFalsch

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Quiz am Fluids, erstellt von Mark Zachkewich am 17/12/2020.
Sprache
English
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