Practice Calculation of the p Factor - 21.3.3 | 21. Evapotranspiration Equations: Penman and Blaney & Criddle Methods | Hydrology & Water Resources Engineering - Vol 2
K12 Students

Academics

AI-Powered learning for Grades 8–12, aligned with major Indian and international curricula.

Professionals

Professional Courses

Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.

Games

Interactive Games

Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.

Typing
Memory
Math
English Adventures
Knowledge

21.3.3 - Calculation of the p Factor

Enroll to start learning

You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.

Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What does the p factor adjust in the context of crop irrigation?

💡 Hint: Think about the relationship between sunlight and water needs.

Question 2

Easy

What is the formula for the p factor?

💡 Hint: Recall the components involved in the calculation.

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 primary purpose of calculating the p factor?

  • To estimate rainfall
  • To estimate crop evapotranspiration
  • To calculate soil moisture

💡 Hint: Think about the relationship between sunlight and water needs.

Question 2

True or False: The p factor remains constant throughout the year.

  • True
  • False

💡 Hint: Consider seasonal changes in daylight hours.

Solve 2 more questions and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Calculate the monthly p factor if a given month has 180 daylight hours and is 30 days long, with an annual total of 3600 daylight hours. Discuss how this p factor will affect irrigation planning.

💡 Hint: Use the formula and consider seasonal implications.

Question 2

If the daylight hours decrease in summer due to unexpected weather conditions, discuss potential strategies farmers could employ to compensate based on p factor calculations.

💡 Hint: Think about active adjustments farmers might consider.

Challenge and get performance evaluation