logo

CuriousTab

CuriousTab

Discussion

Home ‣ Mechanical Engineering ‣ Hydraulics and Fluid Mechanics Comments
  • Question

  • The body will sink down if the force of buoyancy is __________ the weight of the liquid displaced.


  • Options
  • A. equal to
  • B. less than
  • C. more than

  • Correct Answer
  • less than 

    • Hydraulics and Fluid Mechanics problems

    Search Results

    • 1. Euler's equation in the differential form for the motion of liquids is given by

    • Options
    • A.
    • B.
    • C. ?.dp + g.dz + v.dv = 0
    • D. ?.dp - g.dz + v.dv = 0
      • Discuss
    • 2. The total energy line lies over the hydraulic gradient line by an amount equal to the

    • Options
    • A. pressure head
    • B. velocity head
    • C. pressure head + velocity head
    • D. pressure head - velocity head
      • Discuss
    • 3. The coefficient of viscosity may be determined by

    • Options
    • A. capillary tube method
    • B. orifice type viscometer
    • C. rotating cylinder method
    • D. all of these
      • Discuss
    • 4. The pressure measured with the help of a piezometer tube is in

    • Options
    • A. N/mm2
    • B. N/m2
    • C. head of liquid
    • D. all of these
      • Discuss
    • 5. When a tube of smaller diameter is dipped in water, the water rises in the tube due to viscosity of water.

    • Options
    • A. True
    • B. False
      • Discuss
    • 6. The kinematic viscosity is the

    • Options
    • A. ratio of absolute viscosity to the density of the liquid
    • B. ratio of density of the liquid to the absolute viscosity
    • C. product of absolute viscosity and density of the liquid
    • D. product of absolute viscosity and mass of the liquid
      • Discuss
    • 7. The discharge through a large rectangular orifice is given by (where H1 = Height of the liquid above the top of the orifice, H2 = Height of the liquid above the bottom of the orifice, b = Breadth of the orifice, and Cd = Coefficient of discharge)

    • Options
    • A. Q = Cd x b2g(H2 - H1)
    • B. Q = Cd x b2g(H21/2 - H11/2)
    • C. Q = Cd x b2g(H23/2 - H13/2)
    • D. Q = Cd x b2g(H22 - H12)
      • Discuss
    • 8. The atomic mass of oxygen is

    • Options
    • A. 12
    • B. 14
    • C. 16
    • D. 32
      • Discuss
    • 9. Coal gas is obtained by mixing coal and gas at ambient conditions.

    • Options
    • A. Yes
    • B. No
      • Discuss
    • 10. The compression ratio for petrol engines is

    • Options
    • A. 3 to 6
    • B. 5 to 8
    • C. 15 to 20
    • D. 20 to 30
      • Discuss

    Comments

    There are no comments.
Enter a new Comment




Aptitude

Engineering

Programming

Reasoning

Links

Copyright ©CuriousTab. All rights reserved.