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If a river's sediment load is 300 kg/m³ and it flows at a rate of 10 m³/s, what

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Question: 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)

Options:

  1. 108000 kg
  2. 1080000 kg
  3. 180000 kg
  4. 360000 kg

Correct Answer: 1080000 kg

Exam Year: 2020

Solution: 

Sediment load = 300 kg/m³ × 10 m³/s × 3600 s = 10800000 kg.

If a river's sediment load is 300 kg/m³ and it flows at a rate of 10 m³/s, what

Practice Questions

Q1
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)
  1. 108000 kg
  2. 1080000 kg
  3. 180000 kg
  4. 360000 kg

Questions & Step-by-Step Solutions

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)
  • Step 1: Identify the sediment load per cubic meter, which is 300 kg/m³.
  • Step 2: Identify the flow rate of the river, which is 10 m³/s.
  • Step 3: Calculate the total volume of water that flows in one hour. Since there are 3600 seconds in one hour, multiply the flow rate by the number of seconds: 10 m³/s × 3600 s = 36000 m³.
  • Step 4: Calculate the total sediment load by multiplying the sediment load per cubic meter by the total volume of water: 300 kg/m³ × 36000 m³.
  • Step 5: Perform the multiplication: 300 kg/m³ × 36000 m³ = 10800000 kg.
  • Sediment Load Calculation – This concept involves calculating the total mass of sediment transported by a river over a specific time period using the sediment concentration and flow rate.
  • Unit Conversion – Understanding the conversion of time from seconds to hours and how it affects the calculation of total sediment load.
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