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MCQs

Total Questions : 3147 | Page 133 of 315 pages
Question 1321. A flow in which the quantity of liquid flowing per second is not constant, is called
  1.    streamline flow
  2.    turbulent flow
  3.    steady flow
  4.    unsteady flow
 Discuss Question
Answer: Option D. -> unsteady flow
Answer: (d).unsteady flow
Question 1322. In a sharp-crested weir, the thickness of the weir is kept less than half of the height of water above the crest of the weir.
  1.    True
  2.    False
  3.    Can't say
  4.    None of these
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 1323. The ratio of the inertia force to the elastic force is called
  1.    Reynold's number
  2.    Froude's number
  3.    Weber's number
  4.    Mach number
 Discuss Question
Answer: Option D. -> Mach number
Answer: (d).Mach number
Question 1324. The most efficient section of a channel is
  1.    triangular
  2.    rectangular
  3.    square
  4.    trapezoidal
 Discuss Question
Answer: Option D. -> trapezoidal
Answer: (d).trapezoidal
Question 1325. According to Bernoulli's equation
  1.    Z + p/w + v²/2g = constant
  2.    Z + p/w - v²/2g = constant
  3.    Z - p/w + v²/2g = constant
  4.    Z - p/w - v²/2g = constant
 Discuss Question
Answer: Option A. -> Z + p/w + v²/2g = constant
Answer: (a).Z + p/w + v²/2g = constant
Question 1326. A fluid having no viscosity is known as
  1.    real fluid
  2.    ideal fluid
  3.    newtonian fluid
  4.    non-newtonian fluid
 Discuss Question
Answer: Option B. -> ideal fluid
Answer: (b).ideal fluid
Question 1327. Bernoulli's equation is applied to
  1.    venturimeter
  2.    orifice meter
  3.    pitot tube
  4.    all of these
 Discuss Question
Answer: Option D. -> all of these
Answer: (d).all of these
Question 1328. In a broad-crested weir, the discharge is maximum if the head of water on the downstream side of weir is __________ the head of water on the upstream side of weir.
  1.    equal to
  2.    one-third
  3.    two-third
  4.    three-fourth
 Discuss Question
Answer: Option C. -> two-third
Answer: (c).two-third
Question 1329. The velocity of the liquid flowing through the divergent portion of a venturimeter
  1.    remains constant
  2.    increases
  3.    decreases
  4.    depends upon mass of liquid
 Discuss Question
Answer: Option C. -> decreases
Answer: (c).decreases
Question 1330. The force present in a moving liquid is
  1.    inertia force
  2.    viscous force
  3.    gravity force
  4.    all of these
 Discuss Question
Answer: Option D. -> all of these
Answer: (d).all of these

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