GATE Exam Questions Questions

• Water table drops by 3 m in an irrigable land of 50 hectare. If porosity and specific retention are 0.30 and 0.10 respectively, the change in storage in hectare-meter is :
• Chlorine is some times used in sewage treatment
• If the porosity of a soil sample is 20%, the void ratio is
• The stress-strain diagram for two materials A and B is shown below. The following statements are made based on this diagram : Mateiral A is more brittle than material B. The ultimate strength of material B is more than that of A. With reference to the above statements, which of the following applies?
• 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
• A soil sample has a void ratio of 0.5 and its porosity will be close to
• Coulomb's theory of earth pressure is based on :
• 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
• Which one of the following statements is true with regard to the flexibility method of analysis?
• 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)
• If the deformations of the truss-members are as shown in parentheses, the rotation of the member bd is :
• The disinfection efficiency of chlorine in water treatment
• The material that exhibits the same elastic properties in all the directions at a point, is said to be
• For a highway with design speed of 100 kmph, the safe overtaking sight distance is (assume accelerations as 0.53 m/sec2)
• What is the equivalent single wheel load of a dual wheel assembly carrying 20, 440 N each for pavement thickness of 20 cm? Centre to centre spacing of tyres is 27 cm and the distance between the walls of tyres is 11 cm
• The type of surveying in which the curvature of the earth is taken into account is called
• The shape of clay particle is usually
• The relationship between the length (l) and radius (r) of an ideal transition curve is given by
• The group index of a soil subgrade is 7. The subgrade soil is rated as
• The width of expansion joint gap is 2.5 cm in a cement concrete pavement. The spacing between expansion joints for a maximum rise in temperature of 25°C is, (assuming coefficient of thermal expansion of concrete as 10 x 10-6 per degree C),