Failure Envelopes and Earth Pressure MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Failure Envelopes and Earth Pressure, a fundamental topic in the field of Foundation Engineering. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Failure Envelopes and Earth Pressure MCQs are designed to help you grasp the core concepts and excel in solving problems.

In this section, you'll find a wide range of Failure Envelopes and Earth Pressure mcq questions that explore various aspects of Failure Envelopes and Earth Pressure problems. Each MCQ is crafted to challenge your understanding of Failure Envelopes and Earth Pressure principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Foundation Engineering tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Failure Envelopes and Earth Pressure MCQs are your pathway to success in mastering this essential Foundation Engineering topic.

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Failure Envelopes and Earth Pressure MCQs | Page 13 of 19

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Q121.
For an angle of internal friction of 300, the values of coefficients of active and passive earth pressures are given by a _____ and ____ respectively.

a.

\(\frac{1}{3}\), 3

b.

\(\frac{1}{5}\), 5

c.

3, \(\frac{1}{3}\)

d.

5, \(\frac{1}{5}\)

Discuss
Answer: (a).\(\frac{1}{3}\), 3
Q122.
Compute the active pressure intensity when the backfill has unit weight of 18 KN/m³ and height of wall is 6 m. The angle of internal friction is 30°.

a.

45 KN/m²

b.

36 KN/m³

c.

87 KN/m²

d.

27 KN/m²

Discuss
Answer: (b).36 KN/m³
Q123.
Compute the passive pressure intensity when the backfill has unit weight of Kₐ=\(\frac{1}{3}\) and height of wall is 6 m. The coefficient of active earth pressure Kₐ=\(\frac{1}{3}.\)

a.

176 KN/m³

b.

154 KN/m³

c.

324 KN/m³

d.

476 KN/m³

Discuss
Answer: (c).324 KN/m³
Q124.
The water table is at the ground level and backfill has saturated unit weight as 22KN/m³. The height of wall is 6m and Kₐ=\(\frac{1}{3}.\) Find the pressure intensity.

a.

45.22 KN/m²

b.

18.45 KN/m²

c.

83.24 KN/m²

d.

67.83 KN/m²

Discuss
Answer: (c).83.24 KN/m²
Q125.
The water table is at the ground level and backfill has saturated unit weight as 22KN/m³. The height of wall is 6m and Kₐ=1/3. Find the pressure intensity, if free water stands on other face of wall.

a.

45.82 KN/m²

b.

78.28 KN/m²

c.

24.38 KN/m²

d.

56.27 KN/m²

Discuss
Answer: (c).24.38 KN/m²
Q126.
Compute the active pressure intensity when the backfill has unit weight of 18 KN/m³ and height of wall is 6 m. The angle of internal friction is 300. The backfill has surcharge of 36 KN/m².

a.

45 KN/m²

b.

75 KN/m²

c.

48 KN/m²

d.

78 KN/m²

Discuss
Answer: (c).48 KN/m²
Q127.
Compute the passive pressure intensity when the backfill has unit weight of 18 KN/m³ and height of wall is 6 m. The angle of internal friction is 300. The backfill has surcharge of 36 KN/m².

a.

378 KN/m²

b.

432 KN/m²

c.

875 KN/m²

d.

972 KN/m²

Discuss
Answer: (b).432 KN/m²
Q128.
If the backfill has unit weight of 18 KN/m² and surcharge of 36 KN/m², then find the equivalent height of surcharge.

a.

4m

b.

56m

c.

2m

d.

86m

Discuss
Answer: (c).2m
Q129.
If a backfill has unit weight of 12 KN/m³ and the equivalent height of surcharge as 3m, then find the surcharge.

a.

12 KN/m²

b.

25 KN/m²

c.

36 KN/m²

d.

75 KN/m²

Discuss
Answer: (c).36 KN/m²
Q130.
When the height of retaining wall is 6m, then the distance of point of application of the resultant pressure from the base is ________

a.

10m

b.

2m

c.

3m

d.

7m

Discuss
Answer: (b).2m
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