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  • Question

  • The pressure less than atmospheric , pressure, is known


  • Options
  • A. suction pressure
  • B. vacuum pressure
  • C. negative gauge pressure
  • D. all the above.

  • Correct Answer
  • all the above. 

    • Hydraulics problems

    Search Results

    • 1. The depth of the centre of pressure on a vertical rectangular gate (4 m wide, 3 m high) with water upto top surface, is

    • Options
    • A. 1.0 m
    • B. 1.5 m
    • C. 2.0 m
    • D. 2.5 m.
      • Discuss
    • 2. When the whole fluid mass rotates either due to fluid pressure or gravity or rotation previously imparted, the motion is known as

    • Options
    • A. free vortex
    • B. forced vortex
    • C. non-potential vortex
    • D. rotational vortex.
      • Discuss
    • 3. A rise or fall of liquid in a glass tube of a very small diameter when dipped is

    • Options
    • A. directly proportional to the force per unit length of periphery
    • B. direcly proportional to the sine of the angle of contact
    • C. directly proportional to the specific weight of liquid
    • D. inversely proportional to the diameter of the glass tube.
      • Discuss
    • 4. In case of laminar flow through a circular pipe,

    • Options
    • A. momentum correction factor is 1.33
    • B. energy correction factor is 2.00
    • C. both (a) and (b)
    • D. Neither (a) nor (b).
      • Discuss
    • 5. With a clinging nappe of a weir, the excess discharge, is

    • Options
    • A. 6% to 7%
    • B. 8% to 10%
    • C. 18% to 20%
    • D. 25% to 30%
    • E. 30% to 40%.
      • Discuss
    • 6. Discharge through a totally submerged orifice, is directly proportional to

    • Options
    • A. difference in elevation of water surfaces
    • B. square root of the difference in elevation of water surface
    • C. square root of the opening
    • D. reciprocal of the area of the opening
    • E. none of these.
      • Discuss
    • 7. The dimensions MLT-2 refers to

    • Options
    • A. specific weight
    • B. force
    • C. discharge
    • D. none of these.
      • Discuss
    • 8. Capillary rise of water is

    • Options
    • A. directly proportional to surface tension
    • B. inversely proportional to water density
    • C. inversely proportional to diameter of the tube
    • D. All of these.
      • Discuss
    • 9. Specific energy of a flowing fluid per unit weight is

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 10. Pick up the correct statement from the following :

    • Options
    • A. The fluids which follow are known as Newtonian fluids
    • B. The fluids which do not follow the linear relationship between shear and rate of strain are known as non Newtonian fluids
    • C. The substances which flow after yield strains, are known as plastics
    • D. all the above.
      • Discuss

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