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LIVE EXAM FLUID MECHANICS (12-04-2019 to 13-04-2019)

Quiz by Wincentre Classes

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10 questions
Show answers
  • Q1
    The kinematic viscosity is the
    ratio of absolute viscosity to the density of the liquid
    product of absolute viscosity and mass of the liquid
    ratio of density of the liquid to the absolute viscosity
    product of absolute viscosity and density of the liquid
    30s
  • Q2
    The Reynold's number of a ship is .........................to its velocity and length
    directly proportional
    inversely proportional
    Independant
    Data insufficient
    30s
  • Q3
    Which of the following denotes the effect of compressibility in fluid flow ?
    Weber number
    Euler number
    Reynolds number
    Mach number
    30s
  • Q4
    Laminar sublayer exists in
    Transition Zone
    None of these
    Laminar boundary layer region
    Turbulent boundary layer region
    30s
  • Q5
    Energy loss in an orificemeter is ....... that in a venturimeter.
    Data insufficient
    More than
    Depends on flow rate
    Less than
    30s
  • Q6
    The ratio of average fluid velocity to the maximum velocity in case of laminar flow of a Newtonion fluid in a circular pipe is
    0.5
    4
    1
    2
    30s
  • Q7
    Co-efficient of velocity is ................. the coefficient of discharge
    Less than
    More than
    Not related to
    Depends on flow rate
    30s
  • Q8
    Check valves are used
    at high pressure
    in bends
    for unidirectional flow
    for controlling water flow
    30s
  • Q9
    The centre of pressure is
    Depends on fluid density
    Anywhere on the body
    Always above the centre of gravity of the area
    Always below the centre of gravity of the area
    30s
  • Q10
    With increase in temperature, the vapor pressure of liquids
    Remains constant
    Depends on liquid
    Increases
    Decreases
    30s

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