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Home⇒ Engineering⇒
Water resource engg irrigation hydrology
1-Dont try to cram or spend more time here just read it fast and cover syllabus then practice MCQ's cheptor of same topic to check your progress. . |
2-Wrong options are also given but dont concentrate there, Right answer is in bold format. |
Q21 ⇒ The difference in level be.tween the top of a bank and supply level in a canal, is called free board [other wrong options] [Discuss in forum] berm height of bank none of these. |
Q22 ⇒ For smooth entry of water in a canal, the angle between head regulator and water is generally kept. 110° [other wrong options] [Discuss in forum] 80° 90° 120° |
Q23 ⇒ The sinuosity of a meander is the ratio of. curved length and the straight distance [other wrong options] [Discuss in forum] meander length and the width of meander meander length and half width of the river none of these. |
Q24 ⇒ If the straight sides of a triangular section of a lined canal with circular bottom of radius R, make an angle θ with horizontal, the perimeter of the canal is. 2R(θ + cos θ) [other wrong options] [Discuss in forum] R(θ + tan θ) 2R(θ + tan θ) R(θ + cos θ) |
Q25 ⇒ Water-shed line is abondened for aligning an irrigation canal if. all the above. [other wrong options] [Discuss in forum] water shed forms a sharp loop canal has to take off from a river towns and villages are located on the water shed line |
Q26 ⇒ According to Khosla, the exist gradient of surface flow. depends upon the b/d ratio [other wrong options] [Discuss in forum] is independent of the b/d ratio is independent of the depths of d/s cut off walls none of these. |
Q27 ⇒ The most suitable location of a canal head work, is. trough stage of the river. [other wrong options] [Discuss in forum] boulders stage of the river delta stage of the river rock stage of the river |
Q28 ⇒ In a barrage, the crest level is kept. low with large gates [other wrong options] [Discuss in forum] high with large gates high with no gates low with no gates. |
Q29 ⇒ The width of a meander belt is the transverse distance between. apex point of one curve and apex point of the reserve curve [other wrong options] [Discuss in forum] apex point and the crossing two banks of meandering river none of these. |
Q30 ⇒ If water table is comparatively high, the irrigation canal becomes useless, due to. all the above. [other wrong options] [Discuss in forum] large amount of seepage water logging of the cultivated areas uncertain water demand |
Q31 ⇒ As compared to cast iron pipes, steel pipes
are Stronger [other wrong options] [Discuss in forum] Heavier Costlier All the above |
Q32 ⇒ A fall which maintains its depth, is. all the above. [other wrong options] [Discuss in forum] a trapezoidal notch fall a low weir fall a rectangular notch fall |
Q33 ⇒ Alum increases Acidity of water [other wrong options] [Discuss in forum] Hardness of water Carbonates in water Sulphates in water |
Q34 ⇒ The field capacity of a soil depends upon. both (a) and (b) [other wrong options] [Discuss in forum] capillary tension in soil porosity of soil neither (a) nor (b). |
Q35 ⇒ The period of cleaning for slow sand filter
is 2 to 3 months [other wrong options] [Discuss in forum] 24 to 48 months 24 to 48 months 24 to 48 weeks |
Q36 ⇒ In a concrete canal the approximate permissible velocity of water should not exceed. 2 m/sec [other wrong options] [Discuss in forum] 0.5 m/sec 1 m/sec 1.5 m/sec |
Q37 ⇒ The organic impurities are converted into
simple and harmless compounds due to Biological action [other wrong options] [Discuss in forum] Mechanical straining Sedimentation Electrolytic action |
Q38 ⇒ The most suitable section of a lined canal, is. both (a) and (b) [other wrong options] [Discuss in forum] triangular section with circular bottom for small canals trapezoidal section with rounded corners for large canals rectangular section with rounded corners for large canals |
Q39 ⇒ Gravity conduits All the above [other wrong options] [Discuss in forum] Carry water under gravity Follow the hydraulic gradient line Are carried through tunnels in deep cuttings |
Q40 ⇒ A chemical used to inhibit the growth of algae
is Algicides [other wrong options] [Discuss in forum] Chlorine Iodine Sunlight |
Or |