1.By how much does the total energy line exceed the hydraulic gradient line?
2.Which formula is used to calculate the flow rate over a rectangular weir?
3.What principle states that for an ideal incompressible fluid flowing steadily, the total energy of a fluid particle remains constant as it moves from one location to another?
4.What type of flow occurs when every fluid particle follows a distinct, smooth trajectory?
5.What type of flow is characterized by having the same velocity at every cross-section of the water stream?
6.A piezometer tube, which is open at both ends, is primarily utilized to measure which type of pressure?
7.Why does a raindrop take on a spherical shape as it falls?
8.What term describes the weight of a liquid per unit volume measured at standard temperature and pressure?
9.What term describes the ratio of a liquid's specific weight to that of water?
10.What is the term for the portion of streamflow that originates from groundwater or flows below the channel bed surface?
11.What is the term for establishing accurate reference points on the ground to correctly lay out a canal or waterway?
12.In the analysis of granular materials resting on a flat surface, what is the term for the angle formed between the vertical line and the surface when the material is in a static state?
13.What is the term for the water level in a well when there is no flow or discharge?
14.What term describes the amount of water that a unit volume of an aquifer releases due to gravity?
15.What do you call an aquifer where water is trapped under high pressure between two impermeable layers?
16.What percentage of the Earth's total water is saltwater found in the oceans?
17.What percentage of moisture is considered readily accessible to plants at all times?
18.What term describes the water present in the root zone of plants, constituting roughly 50% of the soil's moisture, which is consistently accessible to the plants?
19.Which factor primarily influences the water retention efficiency within the root zone?
20.On which river is the Tanda Dam built?