Question 1
Which soil texture has the highest water-holding capacity per unit depth?
Correct Answer:
Clay
Question 2
What does the term 'field capacity' (FC) describe in soil science?
Correct Answer:
The maximum amount of water a soil can hold against gravity after drainage has ceased
Question 3
A soil has a field capacity of 28% and a permanent wilting point of 12% (both volumetric). What is the total available water (TAW) in the top 2 feet of the root zone?
Correct Answer:
3.84 inches
Question 4
Which irrigation system type is generally most appropriate for undulating or hilly terrain where surface runoff is a concern?
Correct Answer:
Drip (micro) irrigation
Question 5
A center-pivot irrigator applies 0.8 inches of water per pass. If crop ET is 0.25 in/day and the pivot takes 3 days to complete one revolution, how much net water is applied per revolution relative to crop demand?
Correct Answer:
The pivot applies 0.05 inches more than crop demand
Question 1
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About this Exam

Prepare with the CAIS Practice Questions - IA Certified Agricultural Irrigation Specialist Exam practice quiz. This question bank includes 100 questions covering irrigation, soil, water, crop, and primary. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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CAIS Practice Questions - IA Certified Agricultural Irrigation Specialist Exam

This practice set contains 100 questions from the matching question bank and focuses on irrigation, soil, water, crop, and primary. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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