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  • Question

  • X-component of velocity in a 2-D incompressible flow is given by u = y2 + 4 xy. If Y-com-ponent of velocity 'v' equals zero at y = 0, the expression for 'v' is given by


  • Options
  • A. 4y
  • B. 2y2
  • C. -2y2
  • D. 2xy

  • Correct Answer
  • -2y2 

    • More questions

    • 1. For night landing, the thresholds are lighted

    • Options
    • A. green
    • B. red
    • C. white
    • D. yellow
      • Discuss
    • 2. On B.G. tracks the distance of outer signal from station limit is kept

    • Options
    • A. 510 m
    • B. 520 m
    • C. 530 m
    • D. 540 m
    • E. 550 m
      • Discuss
    • 3. The notch angle for maximum discharge over a triangular notch, is

    • Options
    • A. 30°
    • B. 60°
    • C. 90°
    • D. 120°
      • Discuss
    • 4. In scanty rainfall regions, the camber provided will be

    • Options
    • A. nil
    • B. flatter
    • C. steeper
    • D. None of these.
      • Discuss
    • 5. The radius of curvature of the arc of the bubble tube is generally kept

    • Options
    • A. 10 m
    • B. 25 m
    • C. 50 m
    • D. 100 m
      • Discuss
    • 6. The solid angles are measured in

    • Options
    • A. degrees
    • B. grades
    • C. radians
    • D. steradians.
      • Discuss
    • 7. The absolute minimum sight distance required for stopping a vehicle moving with a speed of 80 km ph, is

    • Options
    • A. 120 m
    • B. 200 m
    • C. 640 m
    • D. none of these.
      • Discuss
    • 8. The expected out turn of 12 mm plastering with cement mortar is

    • Options
    • A. 2.5 sq m
    • B. 4.0 sq m
    • C. 6.0 sq m
    • D. 8.0 sq m
    • E. 10 sq m
      • Discuss
    • 9. An ideal flow of a liquid obeys

    • Options
    • A. Continuity equation
    • B. Newton's law of viscosity
    • C. Newton's second law of motion
    • D. dynamic viscosity law,
      • Discuss
    • 10. Attracting groynes are built

    • Options
    • A. perpendicular to the bank
    • B. inclined down stream
    • C. inclined up stream
    • D. none of these.
      • Discuss

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