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Consider the following statements in respect of dams: 1. In a gravity dam, a grout curtain is provided near the toe to reduce the exit gradient. 2. A drainage gallery with its drainage pipe system provided in a gravity dam reduces the uplift pressure at all levels below the upstream water level. 3. An earthquake acceleration of 0.1 g acting vertically downward causes a decrease of 10% in the limit weight of concrete and of water in a gravity dam. 4. The Tehri dam is a gravity dam. Which of the above statements are correct?
A concrete gravity dam having a maximum reservoir level at 200 m and the RL of the bottom of the dam 100 m. The maximum allowable compressive stress in concrete is 3000 KN/m2 and the specific gravity of concrete is 2.4. Calculate the height of the dam and check whether it is a high dam or low dam.
Which of the following statement(s) is/are true for the Sardar Sarovar Project (SSP)? (i) Sardar Sarovar Dam is the third highest concrete dam in India (ii) Sardar Sarovar Dam is an earthen gravity dam across river Narmada (iii) SSP comprises 30 Major Dams, 135 Medium Dams and about 3,000 Minor Dams along the 1,312 km length of the Narmada river.
Availability of drinking water is continuously decreasing. The government decided to identify those sources of drinking water which getting polluted. The following table depicts the number of polluted sources in a district. Source of drinking water getting polluted Number Wells 24 Handpump 12 Dam 12 Borewell 6 Ponds 18 The pictograph table for the above table will be (A) Source of drinking water getting polluted Number symbol = 6 source Wells Handpump Dam Borewell Ponds (B) Source of drinking water getting polluted Number symbol  = 6 source Wells Handpump Dam Borewell Ponds (C) Source of drinking water getting polluted Number symbol  = 6 source Wells Handpump Dam Borewell Ponds (D) Source of drinking water getting polluted Number symbol  = 6 source Wells Handpump Dam Borewell Ponds
Which of the following is not correctly matched?  Dam  River  (1) Gandhi Sagar Dam  Chambal  (2) Nagarjuna Sagar Dam  Krishna  (3) Tehri Dam  Kaveri  (4) Rihand Dam  Rihand
Which of the following statements are true with regard to energy dissipation below a dam? (i) If the upper conjugate depth of a hydraulic jump is below the tailwater, little energy will be dissipated (ii) An upturned bucket will protect the dam from scour by moving material toward the dam. (iii) A secondary dam may increase tailwater height, thereby causing a hydraulic jump to form at the toe of the main dam. (v) A slopping apron above streambed level may be used to control the hydraulic jump so that it occurs on the apron. 
The base width of a solid gravity dam is 35 m and the specific gravity of dam material is 2.45. What is the approximate allowable height of the dam having an elementary profile without considering the uplift?
Certain information regarding Gravitational force and acceleration due to gravity is given below in points A, B and C. Find out which of them is/are true.  The value of acceleration due to gravity (g) does not depend on altitude or depth. The value of acceleration due to gravity (g) is maximum at equator and minimum at poles. Gravitational force is the feeblest force in nature.
Tilaiya Dam, Konar dam, Maithon Dam and Panchet Hill Dam have been constructed under:
A series is given with one term missing. Select the correct alternative from the given options that will complete the series? Dhauliganga Dam, Bhalu Dam, Kalagadh Dam, Tehri Dam, ?