Agriculture Mcqs – MCQs

2859 questions. Click to practice.

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1.In the context of flood control reservoirs, how is the effective storage capacity defined?

2.Which type of river discharge is primarily responsible for forming the river's winding or meandering shape?

3.What is the primary cause of failure in hydraulic structures such as dams and barrages built on permeable foundations?

4.What is the current percentage of irrigated land compared to the total cultivated area in our country?

5.What is the process called that removes salt from seawater or brackish water to make it suitable for irrigation and drinking, typically using membrane methods and reverse osmosis?

6.What is the term for the process of blending saline water with freshwater in a specific proportion for irrigation purposes?

7.A hydraulic jump is used to reduce energy when the flow is in which state?

8.What is the term for the water depth in a channel at which the specific energy is at its minimum?

9.For a rectangular channel, at what depth is the flow discharge maximized?

10.Using Chezy’s equation, how is the flow rate in an open channel calculated?

11.What is the hydraulic mean depth for a circular conduit with diameter d?

12.According to Darcy's equation, what is the expression for the head loss caused by friction?

13.What formula is used to calculate the theoretical velocity of a jet at the Vena Contracta?

14.What type of flow is characterized by streamlines that can be depicted as straight lines?

15.What do we call a flow where the volume of liquid passing through per second remains unchanged?

16.Which principle states that a body submerged fully or partially in water experiences an upward force equal to the weight of the water it displaces?

17.What is the formula for the hydrostatic force exerted by water per meter length on a vertical wall?

18.Which characteristic of a liquid determines how quickly it flows?

19.Why does mercury form a convex meniscus at the surface inside a glass tube?

20.Why is a glass tube with a small diameter typically used in the capillary rise experiment?