Questions and answers for exam Preparation

MCQs

Total Questions : 1204 | Page 8 of 121 pages

Question 71. Dispersed type of soil structure is an arrangement comprising particles having

face to face or parallel orientation
edge to edge orientation
edge to face orientation
all of the above

Discuss Question

Answer: Option A. -> face to face or parallel orientation

Question 72. Physical properties of a permeant which influence permeability are

viscosity only
unit weight only
both viscosity and unit weight
none of the above

Discuss Question

Answer: Option C. -> both viscosity and unit weight

Question 73. A cylindrical specimen of saturated soil failed under an axial vertical stress of 100kN/m2 when it was laterally unconfmed. The failure plane was inclined to the horizontal plane at an angle of 45°. The values of cohesion and angle of internal friction for the soil are respectively

0.5 N/mm² and 30°
0.05 N/mm² and 0°
0.2 N/mm² and 0°
0.05 N/mm² and 45°

Discuss Question

Answer: Option B. -> 0.05 N/mm² and 0°

Question 74. If the volume of voids is equal to the volume of solids in a soil mass, then the values of porosity and voids ratio respectively are

1.0 and 0.0
0.0 and 1.0
0.5 and 1.0
1.0 and 0.5

Discuss Question

Answer: Option C. -> 0.5 and 1.0

Question 75. Unconfmed compressive strength test is

undrained test
drained test
consolidated undrained test
consolidated drained test

Discuss Question

Answer: Option A. -> undrained test

Question 76. In a triaxial compression test when drainage is allowed during the first stage (i. e. application of cell pressure) only and not during the second stage (i.e. application of deviator stress at constant cell pressure), the test is known as

consolidated drained test
consolidated undrained test
unconsolidated drained test
unconsolidated undrained test

Discuss Question

Answer: Option B. -> consolidated undrained test

Question 77. The total discharge from two wells situated near to each other is

sum of the discharges from individual wells
less than the sum of the discharges from individual wells
greater than the sum of the discharges from individual wells
equal to larger of the two discharges from individual wells

Discuss Question

Answer: Option B. -> less than the sum of the discharges from individual wells

Question 78. A normally consolidated clay settled 10 mm when effective stress was increased from 100 kN/m2 to 200 kN/ m2. If the effective stress is further increased from 200 kN/ m2 to 400 kN/ m2, then the settlement of the same clay is