Irrigation Engineering The most suitable chemical which can be applied to the water surface for reducing evaporation is Methyl alcohol Butyl alcohol Ethyl alcohol Cetyl alcohol Methyl alcohol Butyl alcohol Ethyl alcohol Cetyl alcohol ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering A river is said to be of All of these Degrading type if it cuts its bed to a certain slope Meandering type if it flows in sinuous curve Aggrading type if it builds up its bed to a certain slope All of these Degrading type if it cuts its bed to a certain slope Meandering type if it flows in sinuous curve Aggrading type if it builds up its bed to a certain slope ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering According to Lacey, depth of scour in a river depends upon the straightness of the reach. If D is the depth of scour in regime flow in a right angled bend, it is 1.25 D 2.00 D 1.50 D 1.75 D 1.25 D 2.00 D 1.50 D 1.75 D ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering According to G.W. Pickles the effect of confining the flood water of a river between levee, is to increase Maximum discharge Surface slope of streams above the levied portion Water surface elevation during floods Rate of flood wave Maximum discharge Surface slope of streams above the levied portion Water surface elevation during floods Rate of flood wave ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering The uplift pressure on the face of a drainage gallery in a dam is taken as two-third of hydrostatic pressure at toe plus one-third of hydrostatic pressure at heel None of these hydrostatic pressure at toe average of hydrostatic pressure at toe and heel two-third of hydrostatic pressure at toe plus one-third of hydrostatic pressure at heel None of these hydrostatic pressure at toe average of hydrostatic pressure at toe and heel ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering According to Lacey, in regime conditions Neither (a) nor (b) Both (a) and (b) Entire cross-section of the channel is generated at all points by the forces normal to the Silt is kept in suspension by vertical components of eddies Neither (a) nor (b) Both (a) and (b) Entire cross-section of the channel is generated at all points by the forces normal to the Silt is kept in suspension by vertical components of eddies ANSWER DOWNLOAD EXAMIANS APP