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  • Question

  • The diameter (d) of a nozzle fixed at the end of a pipe (diameter D, length L) for maximum energy, is


  • Options
  • A. The diameter (d) of a nozzle fixed at the end of a pipe (diameter D, length L) for maximum energy, i
  • B. The diameter (d) of a nozzle fixed at the end of a pipe (diameter D, length L) for maximum energy, i
  • C. The diameter (d) of a nozzle fixed at the end of a pipe (diameter D, length L) for maximum energy, i
  • D. The diameter (d) of a nozzle fixed at the end of a pipe (diameter D, length L) for maximum energy, i

  • Correct Answer
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    • More questions

    • 1. Parallelogram Law of Forces states, "if two forces acting simultaneously on a particle be represented in magnitude and direction by two adjacent sides of a parallelogram, their resultant may be represented in magnitude and direction by

    • Options
    • A. its longer side"
    • B. its shorter side"
    • C. the diagonal of the parallelogram which does not pass through the point of intersection of the forces"
    • D. the diagonal of the parallelogram which passes through the point of intersection of the forces"
    • E. half the sum of the diagonals".
      • Discuss
    • 2. The width of a rectangular sewer is twice its depth while discharging 1.5 m/sec. The width of the sewer is

    • Options
    • A. 0.68 m
    • B. 0.88 m
    • C. 1.36 m
    • D. 1.76 m.
      • Discuss
    • 3. Pick up the correct statement from the following :

    • Options
    • A. For tranquil flow h > 2g or v <
    • B. For critical flow
    • C. For torrential flow h > or v < gh
    • D. None of these.
      • Discuss
    • 4. For the network shown in the given figure, the expected time for the activity

    • Options
    • A. 1-2 is 4
    • B. 2-3 is 7
    • C. 3-4 is 8
    • D. all the above.
      • Discuss
    • 5. For the COD test of sewage, organic matter is oxidised by K2Cr207 in the presence of

    • Options
    • A. H2SO4
    • B. HNO3
    • C. HCl
    • D. none of these.
      • Discuss
    • 6. The flow in which each liquid particle has a definite path and the paths of adjacent particles do not cross each other, is called

    • Options
    • A. stream line flow
    • B. uniform flow
    • C. steady flow
    • D. turbulent flow.
      • Discuss
    • 7. The diameter (d) of a nozzle fixed at the end of a pipe (diameter D, length L) for maximum energy, is

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 8. Pick up the incorrect statement from to following regarding triangular notch :

    • Options
    • A. For measuring low discharge, it gives more accurate result
    • B. Only one reading (i.e. H) is required for computation of discharge
    • C. Ventilation is necessary
    • D. None of these.
      • Discuss
    • 9. In a shaft shear stress intensity at a point is not

    • Options
    • A. directly proportional to the distance from the axis
    • B. inversely proportional to the distance from the axis
    • C. inversely proportional to the polar moment of inertia
    • D. directly proportional to the applied torque.
      • Discuss
    • 10. The effective width of a column strip of a flat slab, is

    • Options
    • A. one-fourth the width of the panel
    • B. half the width of the panel
    • C. radius of the column
    • D. diameter of the column
    • E. none of these.
      • Discuss

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