logo

CuriousTab

CuriousTab

Discussion

Home ‣ Civil Engineering ‣ Hydraulics Comments
  • Question

  • Mercury is generally used in barometers because


  • Options
  • A. its vaour pressure is practically zero
  • B. the height of the barometer will be less
  • C. it is a best liquid
  • D. both (a) and (b) above
  • E. both (b) and (c) above.

  • Correct Answer
  • both (a) and (b) above 

    • Hydraulics problems

    Search Results

    • 1. The ratio of the percentagge error in the discharge and percentage error in the measurement of head over a triangular notch, is

    • Options
    • A. 2/3
    • B. 3/2
    • C. 2/5
    • D. 5/2
      • Discuss
    • 2. Liquids

    • Options
    • A. cannot be compressed
    • B. do not occupy definite shape
    • C. are not affected by change in pressure and temperature
    • D. none of these.
      • Discuss
    • 3. From a nozzle exposed to atmosphere, the liquid jet traverses

    • Options
    • A. a straight line
    • B. a circular path
    • C. an elliptical path
    • D. a parabolic path.
      • Discuss
    • 4. If u, v, w are the components of the velocity v of a moving particle, the equation represents

    • Options
    • A. one diamensional flow
    • B. two dimensional flow
    • C. three dimensional flow
    • D. none of these.
      • Discuss
    • 5. Mach number is the ratio of inertia force to

    • Options
    • A. viscosity
    • B. surface tension
    • C. gravitational force
    • D. elasticity.
      • Discuss
    • 6. For the most economical trapezoidal open channel,

    • Options
    • A. half of the top width must be equal to one of the sloping sides
    • B. the hydraulic mean depth must be equal to half the depth of flow
    • C. the semicircle drawn with top width as diameter must touch the three sides of the channel
    • D. All of these.
      • Discuss
    • 7. Kinematic viscosity of liquids by equation is determined by :

    • Options
    • A. Redwood viscometer
    • B. Engler viscometer
    • C. Saybolt universal viscometer
    • D. None of these.
      • Discuss
    • 8. The velocity distribution of viscous fluid through a circular/pipe is :

    • Options
    • A. hyperbolic
    • B. circular
    • C. parabolic
    • D. elliptical.
      • Discuss
    • 9. Water displaced by a floating wooden block of density 0.75, 5 m long, 2 m wide and 3 m high, is

    • Options
    • A. 17.5 m3
    • B. 20.0 m3
    • C. 22.5 m3
    • D. 25 km3.
      • Discuss
    • 10. If the forces are due to inertia and gravity, and frictional resistance plays only a minor role, the design of the channels is made by comparing

    • Options
    • A. Reynold number
    • B. Froude number
    • C. Weber number
    • D. Mach number.
      • Discuss

    Comments

    There are no comments.
Enter a new Comment




Aptitude

Engineering

Programming

Reasoning

Links

Copyright ©CuriousTab. All rights reserved.