Civil PE - Breadth - Conceptual Questions
, Civil PE - Breadth - Conceptual Questions
12. The correct answer is B. Since the re- When a retaining structure does not move
either taining wall is not yielding, the condi- to the right or to the left of its initial
position,
tion is at rest. the ratio of the effective horizontal stress to the
effective vertical stress is generally
represented by
(A)K
(B) K0
(C) Ka
(D) K
p
13. The correct answer is C. Rankine's the- Which of the following earth pressure
theories ory does not consider the roughness consider the roughness of the back
of the wall? between the wall and soil. Coulomb's (A) Rankine's active earth
pressure theory theory does consider roughness. (B) Rankine's passive earth
pressure theory
(C) Coulomb's earth pressure theory
(D) All of the above
14. The blow counts for the last two incre- Based on the borehole log shown, the
standard ments (for sample #5) = 6+8 =14. The penetration test N value (blow
count) for Sample correct answer is C. 5 is most nearly:
(A)6
(B) 10(
C)
, Civil PE - Breadth - Conceptual Questions
14
(D)
18
15.
The correct answer is D. The other sam- The sampler most widely used for
sampling plers are not used for collecting undis- undisturbed sample is:
turbed sample (A) Rock Core Sampler
(B) Split Barrel
Sampler
(C) Auger
sampler
(D) Shelby
Tube
16. The correct answer includes both A and For the flow of water through a porous
soil mediB. Option C is not correct because we ig- um, the total head at any point
can be adequatenore velocity head in groundwater due ly represented by the
sum of the following terms.
to insignificant relative to other terms. Select all that apply.
(A)elevation
head (B)
pressure
head
, Civil PE - Breadth - Conceptual Questions
(C) velocity
head
(D) total
head
(E) All of the
above
17. The correct answer is D. Shear strength can be measured from
(A)Vane shear
test
(B) Direct shear
test
(C) Triaxial Test
(D) All of the
above
18. The correct answer is B. We plot dry A compaction curve is plot of unit weight
and moisture content to (A) bulk unit weight versus moisture content obtain
maximum dry density and opti- (B) dry unit weight versus moisture content
mum water content. (C) maximum dry unit weight versus optimum
moisture
content
(D) all of the
above
19. The correct answer is A. In the unit The moisture content of soil at which the
maxweight and moisture content plot, max- imum dry unit weight attained is
generally reimum dry density attains at a moisture ferred to as
content called optimum moisture con- (A) optimum moisture content.
, Civil PE - Breadth - Conceptual Questions
12. The correct answer is B. Since the re- When a retaining structure does not move
either taining wall is not yielding, the condi- to the right or to the left of its initial
position,
tion is at rest. the ratio of the effective horizontal stress to the
effective vertical stress is generally
represented by
(A)K
(B) K0
(C) Ka
(D) K
p
13. The correct answer is C. Rankine's the- Which of the following earth pressure
theories ory does not consider the roughness consider the roughness of the back
of the wall? between the wall and soil. Coulomb's (A) Rankine's active earth
pressure theory theory does consider roughness. (B) Rankine's passive earth
pressure theory
(C) Coulomb's earth pressure theory
(D) All of the above
14. The blow counts for the last two incre- Based on the borehole log shown, the
standard ments (for sample #5) = 6+8 =14. The penetration test N value (blow
count) for Sample correct answer is C. 5 is most nearly:
(A)6
(B) 10(
C)
, Civil PE - Breadth - Conceptual Questions
14
(D)
18
15.
The correct answer is D. The other sam- The sampler most widely used for
sampling plers are not used for collecting undis- undisturbed sample is:
turbed sample (A) Rock Core Sampler
(B) Split Barrel
Sampler
(C) Auger
sampler
(D) Shelby
Tube
16. The correct answer includes both A and For the flow of water through a porous
soil mediB. Option C is not correct because we ig- um, the total head at any point
can be adequatenore velocity head in groundwater due ly represented by the
sum of the following terms.
to insignificant relative to other terms. Select all that apply.
(A)elevation
head (B)
pressure
head
, Civil PE - Breadth - Conceptual Questions
(C) velocity
head
(D) total
head
(E) All of the
above
17. The correct answer is D. Shear strength can be measured from
(A)Vane shear
test
(B) Direct shear
test
(C) Triaxial Test
(D) All of the
above
18. The correct answer is B. We plot dry A compaction curve is plot of unit weight
and moisture content to (A) bulk unit weight versus moisture content obtain
maximum dry density and opti- (B) dry unit weight versus moisture content
mum water content. (C) maximum dry unit weight versus optimum
moisture
content
(D) all of the
above
19. The correct answer is A. In the unit The moisture content of soil at which the
maxweight and moisture content plot, max- imum dry unit weight attained is
generally reimum dry density attains at a moisture ferred to as
content called optimum moisture con- (A) optimum moisture content.
