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MCQs

Total Questions : 3147 | Page 1 of 315 pages
Question 1. The tangential velocity of the water element having a free vortex is
  1.     Directly proportional to its distance from the centre
  2.     Inversely proportional to its distance from the centre
  3.     Directly proportional to its (distance)2 from the centre
  4.     Inversely proportional to its (distance)2 from the centre
 Discuss Question
Answer: Option B. ->  Inversely proportional to its distance from the centre
Question 2. The mass of 2.5 m3 of a certain liquid is 2 tonnes. its mass density is
  1.     200 kg/m3
  2.     400 kg/m3
  3.     600 kg/m3
  4.     800 kg/m3
 Discuss Question
Answer: Option D. ->  800 kg/m3
Question 3. If v1 and v2 are the velocities of water at inlet and outlet of the draft tube respectively, then the efficiency of a draft tube is
  1.     (V1 - V2) / V1
  2.     (V1² - V2²) / V1²
  3.     V1 / (V1 - V2)
  4.     V1² / (V1² - V2²)
 Discuss Question
Answer: Option B. ->  (V1² - V2²) / V1²
Question 4. If ‘w’ is the specific weight of liquid and ‘k’ the depth of any point from the surface, then pressure intensity at that point will be
  1.     h
  2.     wh
  3.     w/h
  4.     h/w
 Discuss Question
Answer: Option B. ->  wh
Question 5. If ‘w’ is the specific weight of liquid and ‘k’ the depth of any point from the surface, then pressure intensity at that point will be
  1.     h
  2.     wh
  3.     w/h
  4.     h/w
 Discuss Question
Answer: Option B. ->  wh
Question 6. The mass of 2.5 m3 of a certain liquid is 2 tonnes. its mass density is
  1.     200 kg/m3
  2.     400 kg/m3
  3.     600 kg/m3
  4.     800 kg/m3
 Discuss Question
Answer: Option D. ->  800 kg/m3
Question 7. The mass of 2.5 m3 of a certain liquid is 2 tonnes. its mass density is
  1.     200 kg/m3
  2.     400 kg/m3
  3.     600 kg/m3
  4.     800 kg/m3
 Discuss Question
Answer: Option D. ->  800 kg/m3
Question 8. The mass of 2.5 m3 of a certain liquid is 2 tonnes. its mass density is
  1.     200 kg/m3
  2.     400 kg/m3
  3.     600 kg/m3
  4.     800 kg/m3
 Discuss Question
Answer: Option D. ->  800 kg/m3
Question 9. If ‘w’ is the specific weight of liquid and ‘k’ the depth of any point from the surface, then pressure intensity at that point will be
  1.     h
  2.     wh
  3.     w/h
  4.     h/w
 Discuss Question
Answer: Option B. ->  wh
Question 10. If ‘w’ is the specific weight of liquid and ‘k’ the depth of any point from the surface, then pressure intensity at that point will be
  1.     h
  2.     wh
  3.     w/h
  4.     h/w
 Discuss Question
Answer: Option B. ->  wh

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