Questions and answers for exam Preparation

MCQs

Total Questions : 1204 | Page 118 of 121 pages

Question 1171. Shear strength of a soil is a unique function of__________________?

effective stress only
total stress only
both effective stress and total stress
none of the above

Discuss Question

Answer: Option A. -> effective stress only
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

Question 1172. Unconfmed compressive strength test is________________?

undrained test
drained test
consolidated undrained test
consolidated drained test

Discuss Question

Answer: Option A. -> undrained test
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

Question 1173. 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°
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

Question 1174. If a cohesive soil specimen is subjected to a vertical compressive load, the inclination of the cracks to the horizontal is__________________?

90°
45°
22.5°
0°

Discuss Question

Answer: Option B. -> 45°
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

Question 1175. 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
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

Question 1176. Sensitivity of a soil can be defined as___________________?

percentage of volume change of soil under saturated condition
ratio of compressive strength of unconfined undisturbed soil to that of soil in a remoulded state
ratio of volume of voids to volume of solids
none of the above

Discuss Question

Answer: Option B. -> ratio of compressive strength of unconfined undisturbed soil to that of soil in a remoulded state
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

Question 1177. If the shearing stress is zero on two planes, then the angle between the two planes is________________?

45°
90°
135°
225°

Discuss Question

Answer: Option B. -> 90°
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

Question 1178. The coefficient of active earth pressure for a loose sand having an angle of internal friction of 30° is___________________?

Discuss Question

Answer: Option A. -> 1/3
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

Question 1179. During the first stage of triaxial test when the cell pressure is increased from 0.10 N/mm2 to 0.26 N/mm2, the pore water pressure increases from 0.07 N/mm2 to 0.15 “N/mm2. Skempton’s pore pressure parameter B is___________________?

0.5
-0.5
2.0
– 2.0

Discuss Question

Answer: Option A. -> 0.5
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

Question 1180. In the triaxial compression test, the application of additional axial stress (i.e. deviator stress) on the soil specimen produces shear stress on__________________?