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 12 of 19

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Q111.
If the r/z ratio is 0.5, then the vertical pressure on a horizontal plane is given by _________

a.

\(ฯƒ_z=\frac{0.56Q}{z^3} \)

b.

\(ฯƒ_z=\frac{0.4775Q}{z^3} \)

c.

\(ฯƒ_z=\frac{0.2733Q}{z^2} \)

d.

\(ฯƒ_z=\frac{0.4775Q}{z^2} \)

Discuss
Answer: (c).\(ฯƒ_z=\frac{0.2733Q}{z^2} \)
Q112.
If the r/z ratio is unity, then the vertical pressure on a horizontal plane is given by _________

a.

\(ฯƒ_z=\frac{0.56Q}{z^3} \)

b.

\(ฯƒ_z=\frac{0.0844Q}{z^2} \)

c.

\(ฯƒ_z=\frac{0.2733Q}{z^2} \)

d.

\(ฯƒ_z=\frac{0.4775Q}{z^2} \)

Discuss
Answer: (b).\(ฯƒ_z=\frac{0.0844Q}{z^2} \)
Q113.
If the r/z ratio is 2, then the vertical pressure on a horizontal plane is given by _________

a.

\(ฯƒ_z=\frac{0.0085Q}{z^2} \)

b.

\(ฯƒ_z=\frac{0.0844Q}{z^2} \)

c.

\(ฯƒ_z=\frac{0.2733Q}{z^2} \)

d.

\(ฯƒ_z=\frac{0.4775Q}{z^2} \)

Discuss
Answer: (a).\(ฯƒ_z=\frac{0.0085Q}{z^2} \)
Q114.
The vertical stress distribution diagram on a horizontal plane due to a concentrated load is known as the influence diagram if the load is ______

a.

zero

b.

unity

c.

two units

d.

three units

Discuss
Answer: (b).unity
Q115.
The vertical stress is proportional to __________The maximum value of ฯƒz on vertical line is obtained at the point of intersection of vertical plane with radial line at the angle of ____________

a.

\(\frac{z^2}{K_B} \)39°30โ€™

b.

\(\frac{K_B}{z^2} \)39°45โ€™

c.

\(\frac{K_B}{z^3} \)35°15โ€™

d.

\(\frac{z^3}{K_B} \)39°15โ€™

Discuss
Answer: (b).\(\frac{K_B}{z^2} \)39°15โ€™
Q116.
The vertical stress is proportional to __________

a.

\(\frac{z^2}{K_B} \)

b.

\(\frac{K_B}{z^2} \)

c.

\(\frac{K_B}{z^3} \)

d.

\(\frac{z^3}{K_B} \)

Discuss
Answer: (b).\(\frac{K_B}{z^2} \)
Q117.
The vertical stress is proportional to __________The maximum value of ฯƒz on vertical line is obtained at the point of intersection of vertical plane with radial line at the angle of ____________The maximum value of ฯƒz on vertical line is ____________

a.

\(\frac{z^2}{K_B} \)39°30โ€™\((ฯƒ_z)_{max}=\frac{0.0888Q}{r^2} \)

b.

\(\frac{K_B}{z^2} \)39°45โ€™\((ฯƒ_z)_{max}=\frac{0.0844Q}{z^4} \)

c.

\(\frac{K_B}{z^3} \)35°15โ€™\((ฯƒ_z)_{max}=\frac{0.2733Q}{z^3} \)

d.

\(\frac{z^3}{K_B} \)39°15โ€™\((ฯƒ_z)_{max}=\frac{0.4775Q}{z^3} \)

Discuss
Answer: (b).\(\frac{K_B}{z^2} \)39°15โ€™\((ฯƒ_z)_{max}=\frac{0.0888Q}{r^2} \)
Q118.
The maximum vertical stress is _______ when a concentrated load of 20 kN acts at a radial distance of 2m.

a.

0.444 kN/m²

b.

0.555 kN/m²

c.

0.666 kN/m²

d.

0.777 kN/m²

Discuss
Answer: (a).0.444 kN/m²
Q119.
When the maximum vertical stress is 0.111 kN/m² at a radial distance of 4m from the point load is __________ kN.

a.

0

b.

10

c.

20

d.

30

Discuss
Answer: (c).20
Q120.
What will be the intensity of vertical stress at a depth of 4m directly below the concentrated load of 20 kN?

a.

0.4356 kN/m²

b.

0.244 kN/m²

c.

0.652 kN/m²

d.

0.597 kN/m²

Discuss
Answer: (d).0.597 kN/m²
Page 12 of 19