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Asst. Engineer (Civil) in Harbour Engineer [186:2005]

Quiz by Wincentre Classes

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100 questions
Show answers
  • Q1
    If for a two dimensional flow, the stream function is given by ψ = 2xy, the velocity at the point (3,6) is :
    6
    12
    18
    13.42
    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:
    250 minutes
    2 minutes
    50 minutes
    6250 minutes
    30s
  • Q3
    If the weight of a body immersed in a fluid exceeds the buoyant force then the body will
    Tend to move downward and it may finally sink.
    Turn upside down.
    Float on the fluid.
    Rise until its weight equals the buoyant force.
    30s
  • Q4
    The head over a “V” notch at the end of a channel is 75 cm. If an error of 0.15 cm., is possible in the measurement of the head, then the percentage error in computing the discharge is :
    1
    0.5
    0.33
    1.5
    30s
  • Q5
    In a laminar flow through a circular pipe of diameter 20 cm, the maximum velocity is found to be 1 m/sec. The velocity at a radial distance 5 cm from the axis of the pipe is :
    0.5 m/sec
    0.75 m/sec
    1.00 m/sec
    0.25m/sec
    30s
  • Q6
    Loss of head due to velocity of water at the outlet of a pipe is :
    v2/2g
    1.5v2/2g
    v2/3g
    0.5v2/2g
    30s
  • Q7
    When the Mach number is more than 6, the flow of a fluid is called :
    Sonic flow
    Subsonic flow
    Hypersonic flow
    Supersonic flow
    30s
  • Q8
    Venturimeter is used to measure :
    Discharge
    Velocity at a point
    Average velocity
    Pressure at a point
    30s
  • Q9
    The ratio of Inertia force of a flowing fluid and its viscous force is called
    Reynold's number
    Froude's number
    Euler's number
    Weber's number
    30s
  • Q10
    For a floating body, if the meta centre is above the centre of gravity the equilibrium called :
    Unstable
    Stable
    None of these
    Neutral
    30s
  • Q11
    Gunter's chain is having a length of:
    100 meters
    66 meters
    66 feet
    100 feet
    30s
  • Q12
    Reciprocal ranging is resorted to when the ends of the chain line are not invisible due to:
    Very long distance
    Thick forest
    Very tall building
    High ground
    30s
  • Q13
    The reduced bearing of a line is South 47°  26' West. Its whole circle bearing is:
    42° 34'
    132° 34'
    137° 26'
    227o 26'
    30s
  • Q14
    In a closed traverse, the sum of the South latitudes exceeds the sum of the North latitudes and the sum of the East departures exceeds the sum of the West departures. Then the closing line will lie in the.
    S-E quadrant
    N-E quadrant
    N-W quadrant
    S-W quadrant
    30s
  • Q15
    The combined correction for curvature and refraction for a distance of 1400 m is :
    0.094 m
    0.021 m
    0.153 m
    0.132 m
    30s

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