1.What type of root system does an onion have?
2.Which type of analysis should be performed to assess the earth dam foundation's resistance to shear when it rests on fine, loose, cohesionless soil?
3.In an ogee spillway, the flow rate is directly proportional to which power of the head (H)?
4.What is the term for the thin sheet of water that flows over an ogee spillway?
5.When constructing an embankment, the volume of excavated soil that creates a spoil bank is typically what in relation to the volume needed for embankment filling?
6.Why is a counter berm constructed along a canal bank?
7.For canal embankments, it is crucial to maintain the saturation gradient line within the embankment body. In loamy soils, the saturation gradient line typically ranges between which values?
8.What is the recommended range for the shear friction factor causing compressive strength in the cost-effective design of a gravity dam?
9.Waterlogging occurs due to ____________ water that seeps down during heavy irrigation and joins the groundwater table. Which type of water is responsible?
10.What is the term for water that flows off catchment areas, roads, buildings, and unused land?
11.What is the method called that involves using canal water to reduce the concentration of salts in the root zone?
12.Waterlogging and soil salinization pose a dual threat that has significantly harmed agriculture. Approximately how many hectares of land are lost each year due to these issues?
13.What is the name of the sequence of vertical drops in a watercourse designed to prevent soil erosion?
14.What term describes the ratio of the force that makes an object slide on a surface to the force perpendicular to that surface?
15.What is the branch of science that studies the reduction and renewal of water resources known as?
16.What term describes the highest speed at which soil under specific conditions can take in water?
17.What is the term for the quantity of water needed to raise the soil moisture content to its field capacity, which is the water retained in soil after excess water has drained due to gravity?
18.At the beginning of a rainfall event, when the soil moisture in the root zone is minimal, how does the infiltration rate change?
19.Which device is utilized to perform artificial rainfall experiments that mimic real field conditions?
20.When a river discharges water into the groundwater reservoir during its high flow period, what is this type of river known as?