Civil Engineering - GATE Exam Questions

11. 

The stress-strain behaviour of soils as shown in the following figure corresponds to :

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

Answer: Option C

Explanation:

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12. 

The maximum allowable compressive stress corresponding to lateral buckling in a discretely laterally supported symmetrical I beam does not depend upon :

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

Answer: Option A

Explanation:

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13. 

The soils most susceptible to liquefaction are :

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

Answer: Option B

Explanation:

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14. 

The following general statement may be made about the penetration value and softening point of bitumen

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

Answer: Option B

Explanation:

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15. 

Sand drains are used to :

A. reduce the settlement
B. accelerate the consolidation
C. increase the permeability
D. transfer the load

Answer: Option A

Explanation:

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