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- Question
The most efficient channel section, is
Options- A. semi-circular
- B. rectangular
- C. triangular
- D. half hexagon in the form of trapezoid.
- Correct Answer
- half hexagon in the form of trapezoid.
- 1. The imaginary line drawn such that the tangents at its all points indicate the direction of the velocity of the fluid particles at each point, is called
Options- A. path line
- B. stream line
- C. potential line
- D. streak line. Discuss
- 2. The line joining the points to which the liquid rises in vertical piezometer tubes fitted at different cross-sections of a conduit, is known as
Options- A. hydraulic gradient
- B. piezometric line
- C. pressure grade line
- D. hydraulic grade line
- E. all the above. Discuss
- 3. The shape of fire hose nozzle is generally kept
Options- A. divergent
- B. convergent
- C. convergent divergent
- D. cylindrical. Discuss
- 4. For a most economical trapezoidal open channel, the half of the top width must be equal to
Options- A. the bed width
- B. one sloping side
- C. the depth of flow
- D. None of these. Discuss
- 5. A stepped notch is a combination of
Options- A. rectangular notches of different sizes
- B. triangular notches of different sizes
- C. rectangular and triangular notches
- D. all the above. Discuss
- 6. An open container filled with water is moved vertically downward with a uniform linear acceleration. The pressure at its bottom will be
Options- A. greater than static pressure
- B. equal to static pressure
- C. lesser than static pressure
- D. none of these. Discuss
- 7. In C.G.S. system the units of kinematic viscosity, is
Options- A. stoke
- B. poise
- C. Newton
- D. none of these. Discuss
- 8. The metacentric height of a body equals the distance between
Options- A. the centre of gravity and centre of buoyancy
- B. the metacentre and centre of gravity
- C. the centre of buoyancy and metacentre
- D. none of these. Discuss
- 9. An orifice is an opening in a vessel with
Options- A. closed perimeter of regular shape through which water flows
- B. the water level of the liquid on the up stream side is below the top of the orifice
- C. partially full flow
- D. prolonged sides having length of 2 to 3 diameters of the opening in thick wall. Discuss
- 10. The differential equation dp/? + gdz + vdv = 0 for a fluid motion is suggested by
Options- A. Bernoulli
- B. Cauchy-Riemann
- C. Laplace
- D. Leonard Euler. Discuss
Hydraulics problems
Search Results
Correct Answer: stream line
Correct Answer: all the above.
Correct Answer: convergent
Correct Answer: one sloping side
Correct Answer: rectangular notches of different sizes
Correct Answer: lesser than static pressure
Correct Answer: stoke
Correct Answer: the metacentre and centre of gravity
Correct Answer: closed perimeter of regular shape through which water flows
Correct Answer: Leonard Euler.
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