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MCQs

Total Questions : 94 | Page 6 of 10 pages
Question 51. The elevation head is taken as negative if the point is situated above the datum and positive if below the datum.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option B. -> False
Answer: (b).False
Question 52. The position head is also called ________
  1.    total head
  2.    elevation head
  3.    velocity head
  4.    pressure head
 Discuss Question
Answer: Option B. -> elevation head
Answer: (b).elevation head
Question 53. Flow occurs between two points only if _______
  1.    there is difference in total heads
  2.    there is no difference in total heads
  3.    the total heads are equal
  4.    the total heads are equal to zero
 Discuss Question
Answer: Option A. -> there is difference in total heads
Answer: (a).there is difference in total heads
Question 54. Total head is the sum of ________
  1.    piezometric head and velocity head
  2.    piezometric head and position head
  3.    position head and velocity head
  4.    velocity head and pressure head
 Discuss Question
Answer: Option B. -> piezometric head and position head
Answer: (b).piezometric head and position head
Question 55. The total head at any point may be regarded as _________ measure with respect to the datum.
  1.    potential energy
  2.    potential energy per unit weight of water
  3.    unit weight of water
  4.    volume of water
 Discuss Question
Answer: Option B. -> potential energy per unit weight of water
Answer: (b).potential energy per unit weight of water
Question 56. The seepage pressure pₛ is given by _________
  1.    hγw
  2.    h/γw
  3.    h+γw
  4.    h-γw
 Discuss Question
Answer: Option A. -> hγw
Answer: (a).hγw
Question 57. The seepage force J with respect to hydraulic gradient i is given by ________
  1.    ihγwzA
  2.    iγwz/hA
  3.    iγwzA
  4.    ih/zAγw
 Discuss Question
Answer: Option C. -> iγwzA
Answer: (c).iγwzA
Question 58. The relationship between seepage force J and seepage pressure pₛ is given by _______
  1.    J=pₛ/A
  2.    J=pₛ+A
  3.    J=pₛ–A
  4.    J=pₛA
 Discuss Question
Answer: Option D. -> J=pₛA
Answer: (d).J=pₛA
Question 59. The seepage pressure pₛ with respect to hydraulic gradient i is given by ________
  1.    ihγwz
  2.    iγwz/h
  3.    iγwz
  4.    ih/zγw
 Discuss Question
Answer: Option C. -> iγwz
Answer: (c).iγwz
Question 60. The seepage force per unit volume j is given by _______
  1.    j=iγwzA
  2.    j=izA
  3.    j=iγw
  4.    j=zA
 Discuss Question
Answer: Option C. -> j=iγw
Answer: (c).j=iγw

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