Coulomb's theory of earth pressure is based on : the theory of elasticity the th

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Question
Coulomb's theory of earth pressure is based on :
Options
A. the theory of elasticity
B. the theory of plasticity
C. empirical rules
D. wedge theory

Correct Answer

wedge theory

GATE Exam Questions problems

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2. For a flow of 5.7 MLD (million litres per day) and a detention time of 2 hours, the surface area of a rectangular sedimentation tank to remove all particles having settling velocity of 0.33 mm/s is
Options
A. 20 m²
B. 100 m²
C. 200 m²
D. 400 m²

3. The stress-strain diagram for two materials A and B is shown below.

The following statements are made based on this diagram :
1. Mateiral A is more brittle than material B.
2. The ultimate strength of material B is more than that of A.
With reference to the above statements, which of the following applies?
Options
A. Both the statements are false.
B. Both the statements are true.
C. I is true but II is false.
D. I is false but II is true.

5. Chlorine is some times used in sewage treatment
Options
A. to avoid flocculation
B. to increase biological activity of bacteria
C. to avoid bulking of activated sludge
D. to help in grease separation

6. An isolated T beam is used as a walkway. The beam is simply supported with an effective span of 6 m. The effective width of flange, for the cross-section shown in the below figure is
Options
A. 900 mm
B. 1000 mm
C. 1259 mm
D. 2200 mm

7. Which one of the following statements is true with regard to the flexibility method of analysis?
Options
A. The method is used to analyse determinate structures
B. The method is used only for manual analysis of indeterminate structures
C. The method is used for analysis of flexible structures
D. The method is used for analysis of indeterminate structures with lesser degree of static indeterminacy.

8. A circular sewer 2 m diameter has to carry a discharge of 2 m³/s when flowing nearly full. What is the minmum required slope to initiate the flow? (Assume Manning's n = 0.015)
Options
A. 0.00023
B. 0.000036
C. 0.000091
D. 0.000014

9. If the deformations of the truss-members are as shown in parentheses, the rotation of the member bd is :
Options
A. 0.5 x 10^-2 radian
B. 1.0 x 10^-2 radian
C. 1.5 x 10^-2 radian
D. 2.0 x 10^-2 radian

10. The disinfection efficiency of chlorine in water treatment
Options
A. is not dependent on pH value.
B. is increased by increased pH values.
C. remains constant at all pH values.
D. is reduced by increased pH value.

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