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MCQs

Total Questions : 128 | Page 5 of 13 pages
Question 41. The Thixotropy is the phenomenon of _______
  1.    strength loss
  2.    strength gain
  3.    strength loss – strength gain
  4.    strength gain – strength loss
 Discuss Question
Answer: Option C. -> strength loss – strength gain
Answer: (c).strength loss – strength gain
Question 42. The larger the sensitivity, ______ the thixotropy hardening.
  1.    smaller
  2.    no change in
  3.    lower
  4.    larger
 Discuss Question
Answer: Option D. -> larger
Answer: (d).larger
Question 43. The gain in strength after remoulding is due to______
  1.    permanent destruction of structure
  2.    reorientation of molecules
  3.    rehabilitation of molecular structure
  4.    crystallization
 Discuss Question
Answer: Option C. -> rehabilitation of molecular structure
Answer: (c).rehabilitation of molecular structure
Question 44. Which of the following is exhibited by collapsible soil?
  1.    Silts where cementing agent is soluble
  2.    Loose bulky grains hold together by capillary stresses
  3.    All of the mentioned
  4.    None of the mentioned
 Discuss Question
Answer: Option B. -> Loose bulky grains hold together by capillary stresses
Answer: (b).Loose bulky grains hold together by capillary stresses
Question 45. The researchers who have provided guidance for identifying the potential, foot clayey sand and sand clay found in western US is __________
  1.    Macveren
  2.    Holtz and Gibbs
  3.    All of the mentioned
  4.    None of the mentioned
 Discuss Question
Answer: Option B. -> Holtz and Gibbs
Answer: (b).Holtz and Gibbs
Question 46. The soil portion passing through 4.75 mm sieve is washed for further sieve analysis.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 47. The sedimentation analysis is done with the help of________
  1.    Hydrometer and Pipette
  2.    Sieve
  3.    All of the mentioned
  4.    None of the mentioned
 Discuss Question
Answer: Option A. -> Hydrometer and Pipette
Answer: (a).Hydrometer and Pipette
Question 48. ______ is used for washing the soil portion passing through 4.75 mm sieve.
  1.    distilled water
  2.    2g of sodium hexametaphosphate per litre of water
  3.    10% of brine solution
  4.    kerosene
 Discuss Question
Answer: Option B. -> 2g of sodium hexametaphosphate per litre of water
Answer: (b).2g of sodium hexametaphosphate per litre of water
Question 49. In sedimentation analysis, the soil fraction should be of what micron size, so as to be kept in a liquid medium (water).
  1.    75
  2.    83
  3.    57
  4.    70
 Discuss Question
Answer: Option A. -> 75
Answer: (a).75
Question 50. The time for a particle to settle, of diameter 0.06 through a height of 10 cm is_________
  1.    25.8 s
  2.    42 m 59 s
  3.    3 m 52 s
  4.    42.8 s
 Discuss Question
Answer: Option A. -> 25.8 s
Answer: (a).25.8 s

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