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MCQs

Total Questions : 110 | Page 9 of 11 pages
Question 81. In _____________ velocity of fluid is constant on every point at a specific time.
  1.    Steady flow
  2.    Rotational flow
  3.    Non steady flow
  4.    None of the mentioned
 Discuss Question
Answer: Option A. -> Steady flow
Answer: (a).Steady flow
Question 82. _____________ measures velocity at a point of fluid in a stream.
  1.    Venturi meter
  2.    pH meter
  3.    Pitot-Static tubes
  4.    None of the mentioned
 Discuss Question
Answer: Option C. -> Pitot-Static tubes
Answer: (c).Pitot-Static tubes
Question 83. If all particle of fluid has a path parallel to the wall, it is known as ____________
  1.    Stream line flow
  2.    Laminar flow
  3.    Viscous flow
  4.    All of the mentioned
 Discuss Question
Answer: Option D. -> All of the mentioned
Answer: (d).All of the mentioned
Question 84. Bernoulli’s theorem is applicable for fluid path with moderate frictional force.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option B. -> False
Answer: (b).False
Question 85. Which of the following represents Reynolds number for laminar flow?
  1.    Less than 2000
  2.    Greater than 4000
  3.    Infinite
  4.    None of the mentioned
 Discuss Question
Answer: Option A. -> Less than 2000
Answer: (a).Less than 2000
Question 86. Which of the following represents obstruction type flow measuring systems?
  1.    Centrifugal force type
  2.    Rotating vane system
  3.    Flow nozzle device
  4.    None of the mentioned
 Discuss Question
Answer: Option C. -> Flow nozzle device
Answer: (c).Flow nozzle device
Question 87. Centrifugal force elements are used for ___________
  1.    High flow rate
  2.    Low flow rate
  3.    All range of flow rate
  4.    None of the mentioned
 Discuss Question
Answer: Option A. -> High flow rate
Answer: (a).High flow rate
Question 88. Static vane system causes pressure loss in flow.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 89. Which of the following converts flow to rotational motion?
  1.    Rotatic vane system
  2.    Rotameter flow system
  3.    Both rotameter flow system and rotatic vane system
  4.    None of the mentioned
 Discuss Question
Answer: Option A. -> Rotatic vane system
Answer: (a).Rotatic vane system
Question 90. Which of the following represents the correct relation between flow rate and area of pipe?
  1.    Direct proportionality
  2.    Inverse proportionality
  3.    Equal
  4.    None of the mentioned
 Discuss Question
Answer: Option A. -> Direct proportionality
Answer: (a).Direct proportionality

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