Practice Formula for Optimum Number of Gauges - 8.5.1 | 8. Mean Precipitation Over an Area | Hydrology & Water Resources Engineering - Vol 1
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is the formula for calculating the optimum number of gauges?

💡 Hint: Focus on where C and E appear in the formula.

Question 2

Easy

Define the coefficient of variation.

💡 Hint: Think about how it relates to variability.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What is the formula to calculate the optimum number of rain gauges?

  • N = C / E
  • N = C² / E²
  • N = C + E

💡 Hint: Focus on the structure of the formula.

Question 2

True or false: A higher coefficient of variation means fewer rain gauges are needed.

  • True
  • False

💡 Hint: Think about how variability affects accuracy.

Solve and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Determine the optimum number of rain gauges for a region with a coefficient of variation of 0.35 and an allowable error of 4%.

💡 Hint: Make sure to square both C and E, then divide.

Question 2

Evaluate the relationship between gauge installation costs and precipitation variability. Provide a detailed strategy for a balanced approach.

💡 Hint: Think about the balance between statistical data needs and practical costs.

Challenge and get performance evaluation