The soils most susceptible to liquefaction are : saturated dense sands saturated

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Question
The soils most susceptible to liquefaction are :
Options
A. saturated dense sands
B. saturated fine and medium sands of uniform particle size
C. saturated clays of uniform size
D. saturated gravels and cobbles

Correct Answer

saturated fine and medium sands of uniform particle size

GATE Exam Questions problems

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2. Flow at critical depth takes place in an open channel When
Options
A. for a given specific energy, discharge is maximum
B. for a given discharge, specific energy is maximum
C. discharge is minimum for a given specific energy
D. discharge is maximum for a given specific force

4. For a 'best' symmetrical trapezoidal section of an open channel with a given area of section and side slopes, one of the following statements holds true :
Options
A. Half the top width is equal to one of the side slopes
B. Half the top width plus the bottom width is equal to both the side slopes put together
C. Water depth is equal to half bottom width
D. Hydraulic mean depth is equal to half the top width

5. The stress-strain behaviour of soils as shown in the following figure corresponds to :
Options
A. Curve 1 : Loose sand and normally consolidated clay
Curve 2 : Loose sand and over consolidated clay
B. Curve 1 : Dense sand and normally consolidated clay
Curve 2 : Loose sand and over consolidated clay
C. Curve 1: Dense sand and over consolidated clay
Curve 2: Loose sand and normally consolidated clay
D. Curve 1: Loose sand and over consolidated clay
Curve 2: Dense sand and normally consolidated clay

6. A volume of 3.0 x 10⁶ m³ of ground water was pumped out from an unconfined aquifer, uniformly from an area of 5 km². The pumping lowered the water table from initial level of 102 m to 99 m. The specific yield of the aquifier is
Options
A. 0.20
B. 0.30
C. 0.40
D. 0.50

7. Plate bearing test with 20 cm diameter plate on soil subgrade yielded a pressure of 1.25 x 10⁵ N/m² at 0.5 cm deflection. What is the elastic modulus of subgrade?
Options
A. 56.18 x 10⁵ N/m²
B. 22.10 x 10⁵ N/m²
C. 44.25 x 10⁵ N/m²
D. 50.19 x 10⁵ N/m²
E. None.

8. The maximum allowable compressive stress corresponding to lateral buckling in a discretely laterally supported symmetrical I beam does not depend upon :
Options
A. the modulus of elasticity
B. the radius of gyration about the minor axis
C. the span length of the beam
D. the ratio of overall depth of thickness of the flange

9. The following general statement may be made about the penetration value and softening point of bitumen
Options
A. higher the penetration value, higher is the softening point
B. higher the penetration value, lower is the softening point
C. for very high and very low penetration value the softening point is very low
D. absolutely no correlation can be drawn between penetration value and softening point of bitumen

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