Geotechnical Engineering MCQs | Page - 5

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Mr. Dubey • 52.26K Points
Coach

Q. In a liquid limit test, the moisture content at 10 blows was 70% and that at 100 blows was 20%. The liquid limit of the soil, is

(A) 35 %
(B) 50 %
(C) 65 %
(D) None of these
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Mr. Dubey • 52.26K Points
Coach

Q. The critical exist gradient of seepage water in soils, increases with

(A) An increase in specific gravity
(B) A decrease in specific gravity
(C) A decrease in void ratio
(D) Both (a) and (c)
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Mr. Dubey • 52.26K Points
Coach

Q. The Mohr's straight theory is based on the following fact:

(A) Material fails essentially by shear
(B) Ultimate strength of the material is determined by the stress in the plane of slip
(C) Failure criterion is independent of the intermediate principal stress
(D) All the above
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Mr. Dubey • 52.26K Points
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Q. According to Coulomb's wedge theory, the active earth pressure slides the wedge

(A) Down and outwards on a slip surface
(B) Up and inwards on a slip surface
(C) Horizontal upward and parallel to base
(D) Horizontal inward and parallel to base
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Mr. Dubey • 52.26K Points
Coach

Q. Pile foundations are generally preferred to for

(A) Bridge foundations
(B) Sky scrapper buildings
(C) Residential buildings
(D) Runways
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Mr. Dubey • 52.26K Points
Coach

Q. The rise of water table below the foundation influences the bearing capacity of soil mainly by reducing

(A) Cohesion and effective angle of shearing resistance
(B) Cohesion and effective unit weight of soil
(C) Effective unit weight of soil and effective angle of shearing resistance
(D) Effective angle of shearing resistance
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Mr. Dubey • 52.26K Points
Coach

Q. A soil mass is said to be in plastic equilibrium if

(A) It is stressed to maximum
(B) It is on the verge of failure
(C) It is in plastic stage
(D) It starts flowing
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Mr. Dubey • 52.26K Points
Coach

Q. Stoke's law states that the velocity at which a grain settles out of suspension, the other factors remaining constant, is dependent upon

(A) Shape of grain
(B) Weight of grain
(C) Size of grain
(D) Shape, size and weight of grain
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Mr. Dubey • 52.26K Points
Coach

Q. Pick up the correct statement from the following:

(A) A soil having pH value more than 7 is an acidic soil
(B) A soil having pH value less than 7 is an acidic soil
(C) A soil having pH value more than 7 is an alkaline soil
(D) A soil containing chemicals for the manufacture of Portland cement is preferred
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Mr. Dubey • 52.26K Points
Coach

Q. Contact pressure beneath a rigid footing resting on cohesive soil is

(A) Less at edges compared to middle
(B) More at edges compared to middle
(C) Uniform throughout
(D) None of the above
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