CR-21 Landscapes and Irrigation AZROC Test Prep EXAM NEWEST VERSION WITH COMPLETE 1000 QUESTIONS AND CORRECT ANSWERS JUST RELEASED

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CR-21 Landscapes and Irrigation AZROC Test Prep
EXAM NEWEST VERSION WITH COMPLETE 1000
QUESTIONS AND CORRECT ANSWERS JUST
RELEASED

Question: What additional steps are necessary for container grown plants?




a) removal of container and preparation of the roots

b) removal of container and tamping only around the edges

c) tamping and formation of a soil ring

d) formation of a soil ring and watering - CORRECT ANSWER✔✔removal of container and
preparation of the roots




Question: How do you prevent erosion from a graded slope?




a) water the slope

b) cross grade the slope

c) stabilization

d) put water baffles at the bottom of the slope - CORRECT ANSWER✔✔stabilization




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Question: How many pounds of 20-10-5 fertilizer should be purchased to apply 4 pounds of
actual nitrogen to 1,000 square feet of lawn?




a) 5 lbs

b) 10 lbs

c) 20 lbs

d) 5 lbs - CORRECT ANSWER✔✔20 lbs




Question: What type of plan is shown in the diagram?




a) grading plan

b) layout plan

c) planting plan

d) detail plan - CORRECT ANSWER✔✔planting plan




Question: Which of the following colors best identifies the blue stake marking for portable
water?




a) blue

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b) green

c) red)

d) yellow - CORRECT ANSWER✔✔blue




Question: Which element in fertilizer governs the growth rate and the green color of grass?




a) sulfur

b) phosphorous

c) chlorophyll

d) nitrogen - CORRECT ANSWER✔✔nitrogen




Question: What type of backflow device is used when attaching the irrigation system to a
chemical tank (pre-emergent,etc.)?




a) double check valve assembly

b) reduced pressure principle backflow preventer

c) atmospheric vacuum breaker

d) pressure vacuum breaker - CORRECT ANSWER✔✔reduced pressure principle backflow
preventer




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Question: What are the actual dimensions of surface dry 2" x 10" framed lumber?




a) 1-1/2 x 9-1/4

b) 1-5/8 x 9-3/4

c) 1-1/2 x 9-1/2

d) 1-3/4 x 9-7/8 - CORRECT ANSWER✔✔1-1/2 x 9-1/4




Question: How wide should the footer be for a CMU wall?




a) equal to the width of the block

b) equal to the depth of the frostline

c) three times the width of the block

d) twice the width of the block - CORRECT ANSWER✔✔Twice the width of the block




Question: How does a contractor know how to fill a trench to a certain grade?




a) by guessing

b) the type of soil

c) by available backfill


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