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Total Questions : 1709 | Page 140 of 171 pages
Question 1391. 9.  The length of hydraulic jump is roughly
  1.    2 to 3 times its height
  2.    3 to 5 times its height
  3.    5 to 7 times its height
  4.    None of these.
 Discuss Question
Answer: Option C. -> 5 to 7 times its height
Question 1392. 0.  Orifice-meter is used to measure
  1.    pressure at the point
  2.    discharge
  3.    average speed
  4.    velocity.
 Discuss Question
Answer: Option B. -> discharge
Question 1393. 1.  The flow in open channel is laminar if the Reynold number is
  1.    less than 500
  2.    more than 500
  3.    1000
  4.    none of these.
 Discuss Question
Answer: Option A. -> less than 500
Question 1394. 3. Pick up the correct statement from the following :
  1.    Stable equilibrium occures when the meta centre is higher than the centre of gravity of the floating body.
  2.    Unstable equilibrium occures when the meta centre is lower than the centre of gravity of the floating body.
  3.    Neutral equilibrium occurs when the meta centre coincides with the centre of gravity of the floating body
  4.    All of these.
 Discuss Question
Answer: Option D. -> All of these.
Question 1395. 2. For which of the following points the stability of a dam is checked?
  1.    Tension at the base
  2.    Overturning of the dam
  3.    Sliding of the dam
  4.    All of these.
 Discuss Question
Answer: Option D. -> All of these.
Question 1396. 4.  For a conical body immersed length 1 in liquid, Piezometer having 2a apex angle and an the meta centric height is :
  1.    3/4 / tan a
  2.    3/4 / tan2
  3.    4/31 tan3
  4.    4/3 /2 tan a
 Discuss Question
Answer: Option B. -> 3/4 / tan2
Question 1397. 8.  The flow in open channel is laminar if the Reynold number is
  1.    less than 500
  2.    more than 500
  3.    1000
  4.    none of these.
 Discuss Question
Answer: Option A. -> less than 500
Question 1398. 1.  For a conical body immersed length 1 in liquid, Piezometer having 2a apex angle and an the meta centric height is :
  1.    3/4 / tan a
  2.    3/4 / tan2
  3.    4/31 tan3
  4.    4/3 /2 tan a
 Discuss Question
Answer: Option B. -> 3/4 / tan2
Question 1399. 0. Pick up the correct statement from the following :
  1.    Stable equilibrium occures when the meta centre is higher than the centre of gravity of the floating body.
  2.    Unstable equilibrium occures when the meta centre is lower than the centre of gravity of the floating body.
  3.    Neutral equilibrium occurs when the meta centre coincides with the centre of gravity of the floating body
  4.    All of these.
 Discuss Question
Answer: Option D. -> All of these.
Question 1400. 9. For which of the following points the stability of a dam is checked?
  1.    Tension at the base
  2.    Overturning of the dam
  3.    Sliding of the dam
  4.    All of these.
 Discuss Question
Answer: Option D. -> All of these.

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