Elements of Elasticity and Stress Distribution MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Elements of Elasticity and Stress Distribution, a fundamental topic in the field of Geotechnical Engineering. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Elements of Elasticity and Stress Distribution 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 Elements of Elasticity and Stress Distribution mcq questions that explore various aspects of Elements of Elasticity and Stress Distribution problems. Each MCQ is crafted to challenge your understanding of Elements of Elasticity and Stress Distribution principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Geotechnical Engineering tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Elements of Elasticity and Stress Distribution MCQs are your pathway to success in mastering this essential Geotechnical Engineering topic.

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Elements of Elasticity and Stress Distribution MCQs | Page 14 of 19

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Q131.
If r/z ratio is 2 and load of 20 kN is acting at a point, then the vertical pressure at a depth 6m is ____________

a.

0.4356 kN/m²

b.

0.244 kN/m²

c.

0.1518 kN/m²

d.

4.72*10¯³ kN/m²

Discuss
Answer: (d).4.72*10¯³ kN/m²
Q132.
The Boussinesq influence factor for r/z ratio equal to 1 is given by ____________

a.

0.3840

b.

0.5465

c.

0.0844

d.

0.2312

Discuss
Answer: (c).0.0844
Q133.
When the maximum vertical stress is 0.235 kN/m² at a radial distance of 4m from the point load is __________ kN.

a.

42.34

b.

10.56

c.

20.76

d.

30.65

Discuss
Answer: (a).42.34
Q134.
The Boussinesqโ€™s vertical pressure ฯƒz under a uniformly loaded circular area is given by ________

a.

\(ฯƒ_z=q\left[1-\left[\frac{1}{1+(\frac{a}{z})^2}\right]^{\frac{3}{2}}\right] \)

b.

\(ฯƒ_z=q\left[1+\left[\frac{1}{1+(\frac{a}{z})^2}\right]^{\frac{3}{2}}\right] \)

c.

\(ฯƒ_z=q\left[\frac{1}{1+(\frac{a}{z})^2}\right]^{\frac{3}{2}} \)

d.

\(ฯƒ_z=q\left[1-\left[\frac{1}{1+(\frac{a}{z})^2}\right]^{\frac{5}{2}}\right] \)

Discuss
Answer: (a).\(ฯƒ_z=q\left[1-\left[\frac{1}{1+(\frac{a}{z})^2}\right]^{\frac{3}{2}}\right] \)
Q135.
The Boussinesq influence factor for uniformly distributed circular area is given by ____________

a.

\(K_B= \left[1-\left[\frac{1}{1+(\frac{a}{z})^2}\right]^{\frac{3}{2}}\right] \)

b.

\(K_B= \left[1+\left[\frac{1}{1+(\frac{a}{z})^2}\right]^{\frac{3}{2}}\right] \)

c.

\(K_B= \left[\frac{1}{1+(\frac{a}{z})^2}\right]^{\frac{3}{2}} \)

d.

\(K_B= q\left[1-\left[\frac{1}{1+(\frac{a}{z})^2}\right]^{\frac{5}{2}}\right] \)

Discuss
Answer: (a).\(K_B= \left[1-\left[\frac{1}{1+(\frac{a}{z})^2}\right]^{\frac{3}{2}}\right] \)
Q136.
If ฮธ is the apex angle which the line joining the apex makes with the outer edge of the loading of a circular area, then the Boussinesqโ€™s vertical pressure ฯƒz under a uniformly loaded circular area is given by ______________

a.

ฯƒz=q[1-sin³ฮธ]

b.

ฯƒz=q[1-cos³ฮธ]

c.

ฯƒz=q[1-tan³ฮธ]

d.

ฯƒz=q[1-cos²ฮธ]

Discuss
Answer: (b).ฯƒz=q[1-cos³ฮธ]
Q137.
The Boussinesqโ€™s vertical pressure ฯƒz due to line load is given by ________

a.

\(ฯƒ_z=\frac{5qโ€™}{ฯ€z}\frac{1}{[1+\frac{x}{z}^2 ]^2} \)

b.

\(ฯƒ_z=\frac{3qโ€™}{ฯ€z}\frac{1}{[1+(\frac{x}{z})^2 ]^2} \)

c.

\(ฯƒ_z=\frac{2qโ€™}{ฯ€z}\frac{1}{[1+(\frac{x}{z})^2 ]^2} \)

d.

\(ฯƒ_z=\frac{2qโ€™}{z}\frac{1}{[1+โŒŠ\frac{x}{z}โŒ‹^2 ]^2} \)

Discuss
Answer: (c).\(ฯƒ_z=\frac{2qโ€™}{ฯ€z}\frac{1}{[1+(\frac{x}{z})^2 ]^2} \)
Q138.
The Boussinesqโ€™s vertical pressure ฯƒz due to line load at a point situated vertically below the line load is given by ________

a.

\(ฯƒ_z=\frac{2qโ€™}{ฯ€z}\)

b.

\(ฯƒ_z=\frac{3qโ€™}{ฯ€z}\)

c.

\(ฯƒ_z=\frac{2qโ€™}{ฯ€z}\frac{1}{[1+(z)^2 ]^2} \)

d.

\(ฯƒ_z=\frac{2qโ€™}{z}\)

Discuss
Answer: (a).\(ฯƒ_z=\frac{2qโ€™}{ฯ€z}\)
Q139.
If ฮธ is the angle subtended by the edges of the strip load, then the Boussinesqโ€™s vertical pressure ฯƒz due to strip load is given by ________

a.

\(ฯƒ_z=\frac{q}{ฯ€}(ฮธ+sinฮธ)\)

b.

\(ฯƒ_z=\frac{q}{ฯ€}(ฮธ-sinฮธ)\)

c.

\(ฯƒ_z=\frac{q}{ฯ€}(sinฮธ)\)

d.

\(ฯƒ_z=\frac{q}{ฯ€} ฮธ\)

Discuss
Answer: (a).\(ฯƒ_z=\frac{q}{ฯ€}(ฮธ+sinฮธ)\)
Q140.
In Terzaghiโ€™s Theory of one dimensional consolidation, load is applied in _____________

a.

one direction only

b.

two directions only

c.

three directions only

d.

none of the direction

Discuss
Answer: (a).one direction only
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