Irrigation Engineering Presence of tail water in a gravity dami) increases the principal stressii) decreases the principal stressiii) increases the shear stressiv) decreases the shear stressThe correct answer is (i) and (iii) (i)and(iv) (ii) and (iii) (ii) and (iv) (i) and (iii) (i)and(iv) (ii) and (iii) (ii) and (iv) ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering The minimum size of stone that will remain at rest in a channel of longitudinal slope S and hydraulic mean depth R is given by 15 RS 4RS 11RS 7RS 15 RS 4RS 11RS 7RS ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering For a flood control reservoir, the effective storage is equal to useful storage – valley storage useful storage + surcharge storage + valley storage useful storage + surcharge storage -valley storage useful storage + surcharge storage useful storage – valley storage useful storage + surcharge storage + valley storage useful storage + surcharge storage -valley storage useful storage + surcharge storage ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering Wetted perimeter of a regime channel for a discharge of 64 cumecs as per Lacey’s theory will be 19m 15m 91m 38m 19m 15m 91m 38m ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering If D is the depth of water upstream of the throat above its sill, B is the width of the throat, to achieve critical flow in an open venturi flume, the theoretical maximum flow Q, is Q = 1.71 BD Q = 1.71 BD3/2 Q = 1.71 BD1/2 Q = 1/71 BD2/3 Q = 1.71 BD Q = 1.71 BD3/2 Q = 1.71 BD1/2 Q = 1/71 BD2/3 ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering To control the silt entry into a distributary at head regulator, King's vanes are provided which are the walls Of height ⅓rd to ¼th the depth of water in the main canal Spaced at interval of 1½ times their heights All listed here Of R.C.C. or steel plate 8 cm thick Of height ⅓rd to ¼th the depth of water in the main canal Spaced at interval of 1½ times their heights All listed here Of R.C.C. or steel plate 8 cm thick ANSWER DOWNLOAD EXAMIANS APP
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