Lacey gave a relation between? Mark as favorite Copy Link area and velocity velocity and hydraulic mean depth both (a) and (b) none of these Check Answer
The crest of the under-sluices should be lower than the crest of the head regulator (if silt excluder is provided) by at least? Mark as favorite Copy Link 1.8 to 2 m 4 to 5 m 2 to 2.5 m 1 to 1.2 m Check Answer
The capacity of escape channel should not be less than …… of the capacity of the channel at that point? Mark as favorite Copy Link 20% 30% 40% 50% Check Answer
When an oven-dried sample of soil is kept open in the atmosphere, it absorbs some amount of water. This water is known as? Mark as favorite Copy Link hygroscopic water gravitational water capillary water all of these Check Answer
When the drain is over the canal, the structure provided is known as? Mark as favorite Copy Link syphon aqueduct super-passage aqueduct canal syphon Check Answer
A bafile wall is a sort of low weir constructed at the end of the cistern to? Mark as favorite Copy Link withstand the actual impact of the high velocity jet to dissipate the energy head up water to its upstream to such a height that hydraulic both (a) and (b) none of the above Check Answer
Which of the following statements is wrong? Mark as favorite Copy Link The top of dowel is kept above the free supply level by a margin of free board The dowels act as curbs on the side of roadway towards the canal The dowels are provided as a measure of safety for automobiles driven on the roads none of the above Check Answer
According to Lacey, a channel is said to be in regime, if? Mark as favorite Copy Link its discharge is constant the silt grade and the silt charge are constant it flows in incoherent unlimited alluvium of the same character as that transported materials all of the above Check Answer
Which of the following satement is correct? Mark as favorite Copy Link Lacey introduced semi-ellipse as ideal shape of a regime channel Lacey properly define the silt grade and silt charge In Lacey's silt theory, the derivation of the various formulae depends upon a single factor Lacey's equation includes a concentration of silt as variable Check Answer
Distributary head regulators are provided? Mark as favorite Copy Link to stop the supply, when not needed, in the off-taking canal to control the supplies to the off-taking channel to control the silt entry in the off-taking canal all of the above Check Answer