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MCQs

Total Questions : 73 | Page 1 of 8 pages
Question 1. The relationship between γd, G, w and S is_______
  1.    γd = G γw*(1+(\(\frac{wG}{S}\)))
  2.    γd = G γw – (1+(\(\frac{wG}{S}\)))
  3.    γd = G γw/(1+(\(\frac{wG}{S}\)))
  4.    γd = G γw+(1+(\(\frac{wG}{S}\)))
 Discuss Question
Answer: Option C. -> γd = G γw/(1+(\(\frac{wG}{S}\)))
Answer: (c).γd = G γw/(1+(\(\frac{wG}{S}\)))
Question 2. A soil has a dry unit weight of 17.5 kN/m³ and a water content of 20%. What will be its bulk unit weight?
  1.    18 kN/m³
  2.    19 kN/m³
  3.    20 kN/m³
  4.    21 kN/m³
 Discuss Question
Answer: Option D. -> 21 kN/m³
Answer: (d).21 kN/m³
Question 3. If the soil sample has porosity of 30% and specific gravity of solids G=2.7, then its dry unit weight will be ______
  1.    18.350 kN/m³
  2.    18.535 kN/m³
  3.    18.640 kN/m³
  4.    18.545 kN/m³
 Discuss Question
Answer: Option B. -> 18.535 kN/m³
Answer: (b).18.535 kN/m³
Question 4. A soil sample has a dry density of 8.5 kN/m³, specific gravity of solids G as 2.7 and voids ratio of 0.6. If the unit weight of soil is 50% saturated, then its bulk unit weight will be ______
  1.    19.274 kN/m³
  2.    23.034 kN/m³
  3.    20.554 kN/m³
  4.    21.428 kN/m³
 Discuss Question
Answer: Option C. -> 20.554 kN/m³
Answer: (c).20.554 kN/m³
Question 5. When the soil is fully saturated with its specific gravity of solids G=2.7 and voids ratio e=0.667, its water content is ______
  1.    0.326
  2.    0.247
  3.    0.543
  4.    1
 Discuss Question
Answer: Option B. -> 0.247
Answer: (b).0.247
Question 6. If a solid has air content of 50%, then its degree of saturation will be ______
  1.    40%
  2.    50%
  3.    30%
  4.    20%
 Discuss Question
Answer: Option B. -> 50%
Answer: (b).50%
Question 7. A soil has a void ratio of 0.6, specific gravity as 2.65 and degree of saturation as 50%. What will be its bulk unit weight?
  1.    17 kN/m³
  2.    18 kN/m³
  3.    19 kN/m³
  4.    20 kN/m³
 Discuss Question
Answer: Option B. -> 18 kN/m³
Answer: (b).18 kN/m³
Question 8. A soil has porosity of 40% and air content of 50%.What will be its percentage air voids?
  1.    30%
  2.    60%
  3.    20%
  4.    50%
 Discuss Question
Answer: Option C. -> 20%
Answer: (c).20%
Question 9. A soil has a void ratio of 0.6 and a specific gravity of solids as 2.7. What will be its dry unit weight?
  1.    15.5 kN/m³
  2.    16 kN/m³
  3.    16.5 kN/m³
  4.    17 kN/m³
 Discuss Question
Answer: Option C. -> 16.5 kN/m³
Answer: (c).16.5 kN/m³
Question 10. If a soil has a void ratio of 0.64, specific gravity of solids as 2.65, then its saturated unit weight will be ______
  1.    24.5 kN/m³
  2.    25 kN/m³
  3.    25.5 kN/m³
  4.    19.5 kN/m³
 Discuss Question
Answer: Option D. -> 19.5 kN/m³
Answer: (d).19.5 kN/m³

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