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Total Questions : 3147 | Page 135 of 315 pages
Question 1341. The reciprocal of Euler's number is called Newton number.
  1.    Yes
  2.    No
  3.    Can't say
  4.    None of these
 Discuss Question
Answer: Option A. -> Yes
Answer: (a).Yes
Question 1342. If the depth of water in an open channel is less than the critical depth, the flow is called
  1.    critical flow
  2.    turbulent flow
  3.    tranquil flow
  4.    torrential flow
 Discuss Question
Answer: Option D. -> torrential flow
Answer: (d).torrential flow
Question 1343. The separation of flow occurs when the hydrodynamic boundary layer thickness is reduced to zero.
  1.    Agree
  2.    Disagree
  3.    Can't say
  4.    None of these
 Discuss Question
Answer: Option A. -> Agree
Answer: (a).Agree
Question 1344. The error in discharge (dQ/Q) to the error in measurement of head (dH/H) over a triangular notch is given by
  1.    dQ/Q = 3/2 × (dH/H)
  2.    dQ/Q = 2 × (dH/H)
  3.    dQ/Q = 5/2 × (dH/H)
  4.    dQ/Q = 3 × (dH/H)
 Discuss Question
Answer: Option C. -> dQ/Q = 5/2 × (dH/H)
Answer: (c).dQ/Q = 5/2 × (dH/H)
Question 1345. A nozzle placed at the end of a water pipe line discharges water at a
  1.    low pressure
  2.    high pressure
  3.    low velocity
  4.    high velocity
 Discuss Question
Answer: Option D. -> high velocity
Answer: (d).high velocity
Question 1346. The ratio of the inertia force to the __________ is called Euler's number.
  1.    pressure force
  2.    elastic force
  3.    surface tension force
  4.    viscous force
 Discuss Question
Answer: Option A. -> pressure force
Answer: (a).pressure force
Question 1347. When the flow in an open channel is gradually varied, the flow is said to be
  1.    steady uniform flow
  2.    steady non-uniform flow
  3.    unsteady uniform flow
  4.    unsteady non-uniform flow
 Discuss Question
Answer: Option B. -> steady non-uniform flow
Answer: (b).steady non-uniform flow
Question 1348. The total pressure on the bottom of a closed cylindrical vessel completely filled up with a liquid is the sum of the total centrifugal pressure and the weight of the liquid in the vessel.
  1.    Correct
  2.    Incorrect
  3.    Can't say
  4.    None of these
 Discuss Question
Answer: Option A. -> Correct
Answer: (a).Correct
Question 1349. When the Mach number is equal to unity, the flow is called sonic flow.
  1.    True
  2.    False
  3.    Can't say
  4.    None of these
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 1350. A weir, generally, used as a spillway of a dam is
  1.    narrow crested weir
  2.    broad crested weir
  3.    Ogee weir
  4.    submerged weir
 Discuss Question
Answer: Option C. -> Ogee weir
Answer: (c).Ogee weir

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