Rivers & Soil
Download Q&A
Q. If a river's flow rate is 500 cubic meters per second, how much water flows in one hour? (2021)
Q. If a river's sediment load is 200 kg/m³ and the river has a flow rate of 10 m³/s, what is the total sediment transported in one hour? (2022)
Q. If a river's sediment load is 300 kg/m³ and it flows at a rate of 10 m³/s, what is the total sediment load carried by the river in one hour? (2020)
Q. If a river's sediment load is 5 kg/m³ and the river has a flow rate of 100 m³/s, what is the total sediment transported in one hour? (2019)
Q. If a river's sediment transport capacity is 15 tons per cubic meter of water, how much sediment can it carry if the discharge is 100 m³/s? (2000)
Q. If a river's width increases from 50 meters to 100 meters while maintaining the same depth of 3 meters, what is the change in cross-sectional area? (2022)
Q. If a river's width is doubled and the depth remains the same, how does this affect the cross-sectional area? (2021)
Q. If a riverbank erodes at a rate of 2 meters per year, how much will it erode in 5 years? (2023)
Q. If the average velocity of a river increases from 2 m/s to 4 m/s, how does the discharge change if the width remains constant?
Q. If the depth of a river increases by 2 m and the width remains constant, how does this affect the volume of water in a section of the river that is 100 m long? (2022)
Q. If the depth of a river increases by 2 m and the width remains constant, how does this affect the volume of water if the length of the river is 1000 m? (2019)
Q. If the length of a river is 120 km and it flows at an average speed of 5 km/h, how long will it take for the river to flow from its source to its mouth? (2021)
Q. If the length of a river is 240 km and it flows at an average speed of 4 km/h, how long will it take for the river to flow from its source to the mouth? (2021)
Q. If the pH of a river is measured to be 7.5, what type of water is it considered? (2020)
Q. If the pH of a river water is 8, what type of soil is likely to be found in the surrounding area?
Q. If the sediment load of a river increases, what is the most likely effect on the river's flow?
Q. If the slope of a riverbed is 1:1000, what is the vertical drop over a distance of 2 km? (2000)
Q. If the soil erosion rate in a river basin is 2 tons per hectare per year, how much soil will be eroded from a 50-hectare area in 5 years? (2023)
Q. If the soil erosion rate is 2 tons per hectare per year, how much soil will be eroded from 50 hectares in 5 years?
Q. If the soil in a river delta is primarily clay, what is the expected drainage capacity compared to sandy soil? (2023)
Q. If the soil in a riverbank has a porosity of 30% and the volume of soil is 100 m³, what is the volume of water it can hold?
Q. If the soil moisture content is 25% and the dry weight of the soil is 200 kg, what is the weight of the water in the soil? (2020)
Q. If the soil moisture content is 25% and the weight of the dry soil is 200 kg, what is the weight of the water in the soil? (2022)
Q. If the soil moisture content is 30% and the bulk density of the soil is 1.5 g/cm³, what is the water holding capacity of 1 m³ of soil?
Q. If the velocity of a river increases, what is the expected effect on soil erosion along its banks? (2021)
Q. If the velocity of a river is 3 m/s and the width of the river is 20 m, what is the discharge of the river?
Q. If the width of a river is 200 meters and the depth is 5 meters, what is the volume of water in one kilometer length of the river? (2021)
Q. If the width of a river is 200 meters and the depth is 5 meters, what is the volume of water in cubic meters that flows through the river in one second if the velocity of the water is 3 m/s?
Q. In which type of river does the velocity of water increase as it flows downstream?
Q. The soil of a riverbank is composed of 40% sand, 30% silt, and 30% clay. What is the percentage of silt in the soil? (2019)
