logo

CuriousTab

CuriousTab

Hydraulics problems


  • 1. Maximum efficiency of transmission of power through a pipe, is

  • Options
  • A. 25%
  • B. 33.3%
  • C. 50%
  • D. 66.67%.
  • Discuss
  • 2. A short tube mouthpiece will not run full at its outlet if the head under which the orifice works, is

  • Options
  • A. less than 12.2 m of the water
  • B. more than 12.2 m of the water
  • C. equal of 12.2 m of water
  • D. none of these.
  • Discuss
  • 3. The most familiar form of Bernoulli's equation, is

  • Options
  • A.
  • B.
  • C. = constant head
  • D. none of these.
  • Discuss
  • 4. A syphon is used

  • Options
  • A. to connect water reservoirs at different levels intervened by a hill
  • B. to supply water to a town from higher level to lower level
  • C. to fill up a tank with water at higher level from a lower level
  • D. none of these.
  • Discuss
  • 5. A pipe of 0.1 m2 cross sectional area suddenly enlarges to 0.3 m2 cross-sectional area. If the discharge of the pipe is 0.3 m3 /sec, the head loss is

  • Options
  • A. 2/g m of water
  • B. g/2 m of water
  • C. 1g m of water
  • D. g m of water.
  • Discuss
  • 6. Differential manometers are used to measure

  • Options
  • A. pressure in water channels, pipes, etc.
  • B. difference in pressure at two points
  • C. atmospheric pressure
  • D. very low pressure.
  • Discuss
  • 7. The property of steam function ? is :

  • Options
  • A. ? is constant everwhere on any stream line
  • B. the flow around any path in the fluid is zero for continuous flow
  • C. the rate of change of ? with distance in an arbitrary direction, is proportional to the component of velocity normal to that direction
  • D. the velocity vector may be found by differentiating the stream function
  • E. all the above.
  • Discuss
  • 8. Product of Renold number, Froud's number and Mach number is :

  • Options
  • A.
  • B.
  • C.
  • D.
  • Discuss
  • 9. The phenomenon occuring in an open channel when a rapidly flowing stream abruptly changes to a slowly flowing stream causing a distinct rise of liquid surface, is

  • Options
  • A. water hammer
  • B. hydraulic jump
  • C. critical discharge
  • D. none of these.
  • Discuss
  • 10. In a circular pipe of length L and diameter d, a viscous liquid is flowing with a velocity v. The loss in head, is

  • Options
  • A.
  • B.
  • C.
  • D.
  • E. none of these.
  • Discuss

First 5 6 7 ... 17 .. 28 29 Last