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MCQs

Total Questions : 59 | Page 6 of 6 pages
Question 51. Which of the following statement is wrong?
  1.    A lined canal is not susceptible to erosion
  2.    The provision of adequate lining reduces the danger of breaches of channel
  3.    The lining does not reduce the money spent in removing weeds
  4.    Lining eliminates flood dangers
 Discuss Question
Answer: Option C. -> The lining does not reduce the money spent in removing weeds
Answer: (c).The lining does not reduce the money spent in removing weeds
Question 52. Which of the following statement is wrong?
  1.    The velocity varies inversely with the Manning’s coefficient
  2.    For unlined channels in good condition, the value of Manning’s coefficient is 0.015 for concrete
  3.    Flatter slopes can be provided without silting on a lined channel
  4.    The lining does not help to bring high areas under the command
 Discuss Question
Answer: Option D. -> The lining does not help to bring high areas under the command
Answer: (d).The lining does not help to bring high areas under the command
Question 53. What is the maximum permissible velocity in Cement concrete lining (Unreinforced) as per Indian Standards?
  1.    2 to 2.5 m/sec
  2.    1.5 to 2 m/sec
  3.    1.2 to 1.8 m/sec
  4.    1.5 to 2.5 m/sec
 Discuss Question
Answer: Option A. -> 2 to 2.5 m/sec
Answer: (a).2 to 2.5 m/sec
Question 54. What types of channel sections are usually adopted?
  1.    Triangular and Circular channel
  2.    Triangular and Trapezoidal channel
  3.    Rectangular and Trapezoidal channel
  4.    Rectangular and Triangular channel
 Discuss Question
Answer: Option B. -> Triangular and Trapezoidal channel
Answer: (b).Triangular and Trapezoidal channel
Question 55. Brick lining gives a very satisfactory service.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 56. Shotcrete lining can be used highly for smaller jobs.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 57. For how many days curing of concrete lining takes place?
  1.    30 days
  2.    28 days
  3.    27 days
  4.    26 days
 Discuss Question
Answer: Option B. -> 28 days
Answer: (b).28 days
Question 58. Which type of cement grade is used in cement concrete lining?
  1.    m20
  2.    m25
  3.    M10
  4.    M15
 Discuss Question
Answer: Option D. -> M15
Answer: (d).M15
Question 59. Which type of lining is only used for lining the side slopes of the canal?
  1.    Shotcrete Lining
  2.    Dry Stone Lining
  3.    Asphaltic Concrete Lining
  4.    Cement Concrete Lining
 Discuss Question
Answer: Option B. -> Dry Stone Lining
Answer: (b).Dry Stone Lining

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