MCQs
Total Questions : 152
| Page 11 of 16 pages
Question 101. Suppose the culturable commanded for a distributary is 8000 hectares, and the intensity of irrigation for Kharif season is 60% and that of rabi season is 30%. The average duty at the head of a distributary is 4000 hectares/cumec for Kharif season and for Rabi season it is 1800 hectares/cumec, find out discharge required at the head of the distributary?
Answer: Option C. -> 1.33 cumec
Answer: (c).1.33 cumec
Answer: (c).1.33 cumec
Answer: Option A. -> 2.08 cumec
Answer: (a).2.08 cumec
Answer: (a).2.08 cumec
Answer: Option D. -> It can be used when the diameter of a particle is > 6mm and Reynold’s number > 400
Answer: (d).It can be used when the diameter of a particle is > 6mm and Reynold’s number > 400
Answer: (d).It can be used when the diameter of a particle is > 6mm and Reynold’s number > 400
Answer: Option A. -> 0.53
Answer: (a).0.53
Answer: (a).0.53
Question 105. The manning’s coefficient for a lined trapezoidal channel with a bed slope of 1 in 4000 is 0.014 and it will be 0.028 if the channel is unlined. The area in the case of the lined section is 19.04 m² and for the unlined section is 29.09 m². What percentage of earthwork is saved in a lined section relative to an unlined section, when a hydraulically efficient section is used in both the cases?
Answer: Option B. -> 34.55%
Answer: (b).34.55%
Answer: (b).34.55%
Answer: Option A. -> 0.025 m
Answer: (a).0.025 m
Answer: (a).0.025 m
Answer: Option A. -> 0.53 N/m²
Answer: (a).0.53 N/m²
Answer: (a).0.53 N/m²
Answer: Option A. -> 1.61 N/m²
Answer: (a).1.61 N/m²
Answer: (a).1.61 N/m²
Answer: Option A. -> True
Answer: (a).True
Answer: (a).True
Answer: Option C. -> τo < τc
Answer: (c).τo < τc
Answer: (c).τo < τc