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Civil Engineering Building Materials Difficulty: Medium

If the R.L's of canal bed level and high flood level of drainage are 212.0 m and 210.0 m respectively, then cross drainage work will be $$\omega $$ rad/sec is the angular velocity of a crank whose radius is r. If it makes $${\theta ^ \circ }$$ with inner dead centre and obliquity of the connecting rod $$l$$ is $$\varphi $$, the velocity v of the piston, is given by the equation What is the type of annuity where the payments are made at the end of each period starting from the first period? For determining the support reactions at A and B of a three hinged arch, points B and Care joined and produced to intersect the load line at D and a line parallel to the load line through A at D'. Distances AD, DD' and AD' when measured were 4 cm, 3 cm and 5 cm respectively. The angle between the reactions at A and B is The maximum permissible eccentricity for no tension at the base of a gravity dam is