TEST:Texas Irrigator Practice Test Section 4; Questions and Answers

TEST: Texas Irrigator Practice Test Section 4;
Questions and Answers
What happens when there is excessive pressure at the heads?


a). They will not work


b). Less GPM will flow


c). Misting or fogging


d). The heads need adjusting Correct Answer-c). Misting or fogging




If the GPM are doubled, the PSI:


a). doubles.


b). triples.


c). quadruples.


d). stays the same Correct Answer-c). quadruples.




Hydraulics is:


a). water in motion.


b). the science of dynamic and static water.


c). the study of irrigation designs. d). study of water pressure. Correct Answer-b). the

science of dynamic and static water.

, TEST: Texas Irrigator Practice Test Section 4;
Questions and Answers

What is the weight of one gallon of water?


a). 8.3 pounds


b). 7.3 pounds


c). 62.4 pounds


d). 3.8 pounds Correct Answer-a). 8.3 pounds




62.4 pounds represents the weight of:


a). 5 gallons of water.


b). a liter of water.


c). a gallon of water.


d). a cubic foot of water. Correct Answer-d). a cubic foot of water.




What does PSI stand for?


a). pounds per square inch


b). the speed of water


c). pressure per square inch

, TEST: Texas Irrigator Practice Test Section 4;
Questions and Answers
d). pounds per square increment Correct Answer-a). pounds per square inch




How many feet of water (in height) does it take to equal 1 PSI?


a). .433


b). 2.31


c). .866


d). 4.33 Correct Answer-b). 2.31




One foot high of water will create:


a). 4.62 PSI


b). 2.31 PSI


c). .433 PSI


d). .866 PSI Correct Answer-c). .433 PSI




How many feet of head are needed to produce 65 psi?


a). 28.2


b). 100