221) In an attracting groyne the axis of the groyne (w.r.t. the river flow direction) makes

Answer Discuss in Comment

an acute angle

222) In a deflecting groyne, the axis of the groyne (w.r.t. the river flow direction) makes

Answer Discuss in Comment

a right angle

223) In an attracting groyne the axis of the groyne (w.r.t. the river flow direction) makes

Answer Discuss in Comment

an acute angle

224) The ratio of rate of change of discharge in the outlet to the rate of change of the water level in the distributory w.r.t. the normal depth of flow is called

Answer Discuss in Comment

sensitivity

225) The ratio of rate of change of discharge in the outlet to the rate of change of discharge in the distributory is known as

Answer Discuss in Comment

flexibility

226) According to Lacey’s regime theory the relation between V, R and f is

Answer Discuss in Comment

f= 5 V ² /2R

227) The unique design of a channel by Kennedy’s silt theory requires that

Answer Discuss in Comment

the ratio of breadth to depth must be given

228) The function of an anchor block is

Answer Discuss in Comment

all the above

229) The source from which the soil is obtained to make up for the difference between the soil required for embankment and the soil available from the canal excavation is known as

Answer Discuss in Comment

Borrow pit

230) If m is the average particle size of silt in mm then the silt factor is proportional to

Answer Discuss in Comment

√m

Irrigation Engineering

221) In an attracting groyne the axis of the groyne (w.r.t. the river flow direction) makes

222) In a deflecting groyne, the axis of the groyne (w.r.t. the river flow direction) makes

223) In an attracting groyne the axis of the groyne (w.r.t. the river flow direction) makes

224) The ratio of rate of change of discharge in the outlet to the rate of change of the water level in the distributory w.r.t. the normal depth of flow is called

225) The ratio of rate of change of discharge in the outlet to the rate of change of discharge in the distributory is known as

226) According to Lacey’s regime theory the relation between V, R and f is

227) The unique design of a channel by Kennedy’s silt theory requires that

228) The function of an anchor block is

229) The source from which the soil is obtained to make up for the difference between the soil required for embankment and the soil available from the canal excavation is known as

230) If m is the average particle size of silt in mm then the silt factor is proportional to

Subject Notes

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Irrigation Engineering

221) In an attracting groyne the axis of the groyne (w.r.t. the river flow direction) makes

222) In a deflecting groyne, the axis of the groyne (w.r.t. the river flow direction) makes

223) In an attracting groyne the axis of the groyne (w.r.t. the river flow direction) makes

224) The ratio of rate of change of discharge in the outlet to the rate of change of the water level in the distributory w.r.t. the normal depth of flow is called

225) The ratio of rate of change of discharge in the outlet to the rate of change of discharge in the distributory is known as

226) According to Lacey’s regime theory the relation between V, R and f is

227) The unique design of a channel by Kennedy’s silt theory requires that

228) The function of an anchor block is

229) The source from which the soil is obtained to make up for the difference between the soil required for embankment and the soil available from the canal excavation is known as

230) If m is the average particle size of silt in mm then the silt factor is proportional to

Subject Notes

Objective Box

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