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MCQs

Total Questions : 83 | Page 8 of 9 pages
Question 71. Reversing the direction of flow by surging the well does help in removing the bridging.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 72. Which of the following pumps is also used for testing or development of wells?
  1.    Vertical turbine pump
  2.    Submersible motor pump
  3.    Jet pump
  4.    Airlift pump
 Discuss Question
Answer: Option D. -> Airlift pump
Answer: (d).Airlift pump
Question 73. Which log represents the type of strata existing at different depths and encountered during digging or boring of the wells?
  1.    Well logs
  2.    Resistivity logs
  3.    Radiometric logs
  4.    Sonic logs
 Discuss Question
Answer: Option A. -> Well logs
Answer: (a).Well logs
Question 74. Energy is required in the utilisation of _____________
  1.    groundwater
  2.    surface water
  3.    both groundwater and surface water
  4.    capillary water
 Discuss Question
Answer: Option A. -> groundwater
Answer: (a).groundwater
Question 75. In which of the following zone the stresses are beyond the elastic limits?
  1.    Zone of rock fracture
  2.    Zone of rock flowage
  3.    Zone of saturation
  4.    Zone of aeration
 Discuss Question
Answer: Option B. -> Zone of rock flowage
Answer: (b).Zone of rock flowage
Question 76. The zone of aeration in a groundwater profile does not include ___________
  1.    capillary zone
  2.    soil water zone
  3.    intermediate zone
  4.    saturation zone
 Discuss Question
Answer: Option D. -> saturation zone
Answer: (d).saturation zone
Question 77. Which of the following property of geological formation represents its water storage capacity?
  1.    Permeability
  2.    Porosity
  3.    Both permeability and porosity
  4.    Transmissibility
 Discuss Question
Answer: Option B. -> Porosity
Answer: (b).Porosity
Question 78. The rate of flow of water through ground strata can be estimated by _____________
  1.    Manning’s formula
  2.    Strickler’s formula
  3.    Dupuit’s equation
  4.    Darcy’s formula
 Discuss Question
Answer: Option D. -> Darcy’s formula
Answer: (d).Darcy’s formula
Question 79. An aquifer which is confined at its bottom but not at the top is called ___________
  1.    semi-confined aquifer
  2.    confined aquifer
  3.    unconfined aquifer
  4.    artesian aquifer
 Discuss Question
Answer: Option C. -> unconfined aquifer
Answer: (c).unconfined aquifer
Question 80. The safe depression head for open wells is generally taken to be x times the critical depression head when x is ______
  1.    1/6
  2.    1/3
  3.    1/2
  4.    3/4
 Discuss Question
Answer: Option B. -> 1/3
Answer: (b).1/3

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