IRRIGATION EXAM 2025: REAL VERIFIED QUESTIONS & CORRECT ANSWERS| PACK OF EXCELLENCE| THE ULTIMATE KEY TO YOUR SUCCESS

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IRRIGATION EXAM 2025: REAL VERIFIED
QUESTIONS & CORRECT ANSWERS| PACK
OF EXCELLENCE| THE ULTIMATE KEY TO
YOUR SUCCESS.




1. Which type of copper has the smallest inside diameter? -
correct answer - type "K" copper




2. If the proposed pipe size for your irrigation system is 1" then
the sleeves for this pipe needs to be at least_____. - correct
answer - 1-1/2

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3. PVC 2210 has a design burst strength of: - correct answer -
2210 psi




4. Class 315 pipe ______. - correct answer - Has a working
pressure rating of 315 psi




5. A safe critical velocity for the water in PVC pipe is: - correct
answer - 5 ft /s




6. Over sizing piping result in ______. - correct answer - More
expense




7. Looping a main supply line in a sprinkler system can : - correct
answer - __Lower pressure loss to the circuits.
__Allow you to use smaller pipe for the main line supply




8. The main factor used to determine how to size down lateral line
piping is ______. - correct answer - Velocity.

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9. If a system's head spacing is 15' then its row spacing should be
__________ for triangular spacing. - correct answer - 13' ft




10. What happen if a gear driven rotary head is installed at an
angle.? - correct answer - The spray patter will be distorted and
it will have a poor distribution of water.




11. What happens if the rotation of the rotary head is too fast? -
correct answer - The radius will decrease.




12. Changing out the size of the nozzle on a rotary head will also
change___. - correct answer - __GPM of the head
__Radius of throw




13. An increase in the head pressure will ______. - correct
answer - increase flow rate.