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LIVE EXAMINATION - FLUID MECHANICS [02-03-2019 TO 03-03-2019]

Quiz by Wincentre Classes

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10 questions
Show answers
  • Q1
    For a turbulent flow the Reynolds’s should be more than:
    1000
    4000
    20000
    500
    30s
  • Q2
    A model of a reservoir is emptied in 10 minutes. If the model scale is 1:25, the time taken by the prototype to empty itself would be:
    2 minutes
    250 minutes
    6250 minutes
    50 minutes
    30s
  • Q3
    30s
  • Q4
    If a water tank, partially filled with water is being carried on a truck, moving with a constant horizontal acceleration, the level of liquid will
    Fall on the rear side of the tank
    Remain the same on both sides of the tank
    Rise on the rear side and fall on the front side of the tank
    Rise and fall alternately on the front side of the tank.
    30s
  • Q5
    Specific gravity of water:
    9810
    100
    1000
    1
    30s
  • Q6
    A flow in which the velocities of liquid particles at all sections of the pipe or channel are equal is called as:
    Unsteady flow
    Uniform flow
    Laminar flow
    Turbulent flow
    30s
  • Q7
    Bernoulli's theorem deals with the principal of conservation of:
    Mass
    Momentum
    Force
    Energy
    30s
  • Q8
    For steady incompressible flow through a closed-conduit of uniform cross-section, the direction of flow will always be
    From higher to lower pressure
    From higher to lower velocity
    From higher to lower piezometric head
    From higher to lower elevation
    30s
  • Q9
    In Bernoulli equation, used in pipe flow, each term represents
    Energy per unit volume
    Energy per unit mass
    Energy per unit flow length
    Energy per unit weight
    30s
  • Q10
    The velocity of liquid flowing through the divergent portion of a venturimeter
    Increases
    Remains constant
    Depends upon the mass of liquid
    Decreases
    30s

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