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 10 of 19

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Q91.
The problems due to stress distribution in soils due to a concentrated load was studied by _____________

a.

G.B Airy

b.

Terzaghi

c.

Darcy

d.

Boussinesq

Discuss
Answer: (d).Boussinesq
Q92.
The assumption made by Boussinesq in the solutions is by the ____________

a.

theory of plasticity

b.

theory of elasticity

c.

yield point

d.

failure point

Discuss
Answer: (b).theory of elasticity
Q93.
The assumption of Boussinesq equation is that the soil is ______________

a.

elastic

b.

semi-elastic

c.

plastic

d.

semi-plastic

Discuss
Answer: (a).elastic
Q94.
The assumption of Boussinesq equation is that the soil is ______________

a.

non-homogeneous

b.

homogeneous

c.

plastic

d.

semi-plastic

Discuss
Answer: (b).homogeneous
Q95.
The assumption of Boussinesq equation is that the soil is ______________

a.

semi-infinite

b.

infinite

c.

finite

d.

semi- finite

Discuss
Answer: (a).semi-infinite
Q96.
The Boussinesq equation representing the polar radial stress is ___________

a.

\(ฯƒ_R=\frac{3Q}{2} \frac{cosโกฮฒ}{R^2} \)

b.

\(ฯƒ_R=\frac{3Q}{2ฯ€} \frac{cosโกฮฒ}{R^2}\)

c.

\(ฯƒ_R=\frac{3Q}{2ฯ€} \frac{cosโกฮฒ}{R}\)

d.

\(ฯƒ_R=\frac{3Q}{2ฯ€} \frac{cosโกฮฒ}{R^3} \)

Discuss
Answer: (b).\(ฯƒ_R=\frac{3Q}{2ฯ€} \frac{cosโกฮฒ}{R^2}\)
Q97.
The Boussinesq equation representing the vertical stress is ___________

a.

\(ฯƒ_z=\frac{3}{2ฯ€} \left[\frac{1}{1+(\frac{r}{z})^2} \right]^{5/2}\)

b.

\(ฯƒ_z=\frac{3Q}{2ฯ€} \left[\frac{1}{1+(\frac{r}{z})^2} \right]^5\)

c.

\(ฯƒ_z=\frac{3Q}{2ฯ€z^2}\left[\frac{1}{1+(\frac{r}{z})^2} \right]^{\frac{5}{2}}\)

d.

\(ฯƒ_z=\frac{3Q}{2ฯ€} \left[\frac{1}{1+(\frac{r}{z})^2} \right]^2\)

Discuss
Answer: (c).\(ฯƒ_z=\frac{3Q}{2ฯ€z^2}\left[\frac{1}{1+(\frac{r}{z})^2} \right]^{\frac{5}{2}}\)
Q98.
The Boussinesq equation representing the tangential stress is ___________

a.

\(ฯ„_{rz}=\frac{3}{2ฯ€z^3} \left[\frac{1}{1+(\frac{r}{z})^2} \right]^{5/2}\)

b.

\(ฯ„_{rz}=\frac{3Qr}{2ฯ€} \left[\frac{1}{1+(\frac{r}{z})^2} \right]^5\)

c.

\(ฯ„_{rz}=\frac{3Qr}{2ฯ€z^3} \left[\frac{1}{1+(\frac{r}{z})^2} \right]^{\frac{5}{2}}\)

d.

\(ฯ„_{rz}=\frac{3Q}{2ฯ€z^3} \left[\frac{1}{1+(\frac{r}{z})^2} \right]^2\)

Discuss
Answer: (c).\(ฯ„_{rz}=\frac{3Qr}{2ฯ€z^3} \left[\frac{1}{1+(\frac{r}{z})^2} \right]^{\frac{5}{2}}\)
Q99.
The Boussinesq influence factor is given by ____________

a.

\(K_B=\frac{3Q}{2ฯ€z} \left[\frac{1}{1+(\frac{r}{z})^2} \right]^{5/2}\)

b.

\(K_B=\frac{3Q}{2ฯ€} \left[\frac{1}{1+(\frac{r}{z})^2} \right]^{\frac{5}{2}}\)

c.

\(K_B=\frac{3}{2ฯ€} \left[\frac{1}{1+(\frac{r}{z})^2} \right]^{\frac{5}{2}}\)

d.

\(K_B=\frac{3}{2ฯ€z} \left[\frac{1}{1+(\frac{r}{z})^2} \right]^{\frac{5}{2}}\)

Discuss
Answer: (c).\(K_B=\frac{3}{2ฯ€} \left[\frac{1}{1+(\frac{r}{z})^2} \right]^{\frac{5}{2}}\)
Q100.
The intensities of pressure below a point load where r=0 on axis of loading is ____________

a.

\(ฯƒ_z=\frac{0.4775Q}{z^2} \)

b.

\(ฯƒ_z=\frac{0.7Q}{z^2} \)

c.

\(ฯƒ_z=\frac{0.4775Q}{z^3} \)

d.

\(ฯƒ_z=\frac{0.8Q}{z}\)

Discuss
Answer: (a).\(ฯƒ_z=\frac{0.4775Q}{z^2} \)
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