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MCQs

Total Questions : 113 | Page 3 of 12 pages
Question 21. The geotextiles are available in rolls of length _____
  1.    100 cm
  2.    5m
  3.    up to 600m
  4.    1 km
 Discuss Question
Answer: Option C. -> up to 600m
Answer: (c).up to 600m
Question 22. The GCL is a composite of ________
  1.    geotextiles and bentonite clay
  2.    silt and gravel
  3.    gravel and bentonite clay
  4.    geotextiles and gravels
 Discuss Question
Answer: Option A. -> geotextiles and bentonite clay
Answer: (a).geotextiles and bentonite clay
Question 23. Geotextiles are available in thickness varying from ________
  1.    1 to 5 mils
  2.    5 to 10 mils
  3.    10 to 20 mils
  4.    10 to 300 mils
 Discuss Question
Answer: Option D. -> 10 to 300 mils
Answer: (d).10 to 300 mils
Question 24. If geotextiles are used as reinforcements, then they should have __________
  1.    low modulus of deformation
  2.    high modulus of deformation
  3.    low coefficient of friction
  4.    low breaking strength
 Discuss Question
Answer: Option B. -> high modulus of deformation
Answer: (b).high modulus of deformation
Question 25. The geocells or geowebs are stitched together at _________ intervals.
  1.    100 cm
  2.    200 to 50 mm
  3.    upto 600 m
  4.    1 km
 Discuss Question
Answer: Option C. -> upto 600 m
Answer: (c).upto 600 m
Question 26. The Instruments used in hand augers are _________
  1.    Post hole auger
  2.    Sand pump
  3.    Wash boring apparatus
  4.    Stationary piston
 Discuss Question
Answer: Option A. -> Post hole auger
Answer: (a).Post hole auger
Question 27. The type of boring method that can be used for both rock and soils are ________
  1.    Shell boring
  2.    Wash boring
  3.    Auger boring
  4.    Rotary boring
 Discuss Question
Answer: Option D. -> Rotary boring
Answer: (d).Rotary boring
Question 28. Electrical resistivity method is based on measurement of _____________
  1.    Specific resistance
  2.    Voltage
  3.    Potential drop
  4.    Current
 Discuss Question
Answer: Option A. -> Specific resistance
Answer: (a).Specific resistance
Question 29. The commonly used geophysical method for site exploration is ________
  1.    Gravitational method
  2.    Electrical resistivity
  3.    Magnetic method
  4.    All of the mentioned
 Discuss Question
Answer: Option B. -> Electrical resistivity
Answer: (b).Electrical resistivity
Question 30. The method used for studying of horizontal changes in the sub-soil is _______
  1.    Resistive soundings
  2.    Resistive mapping
  3.    Mean resistivity
  4.    Critical distance
 Discuss Question
Answer: Option B. -> Resistive mapping
Answer: (b).Resistive mapping

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