5. Landscape Design

Landscape Installation — Quiz

Test your understanding of landscape installation with 5 practice questions.

Practice Questions

Question 1

For a circular planting bed of radius 4 m where the mulch layer slopes linearly from 5 cm at the perimeter to 10 cm at the center, what is the approximate volume of mulch required (in cubic metres)?

Question 2

A hedgerow trench 50 m long, 0.5 m wide and 0.4 m deep is backfilled with a mix of native soil and compost at a 4:1 volume ratio. What volume of compost (in cubic metres) is required?

Question 3

A drip system applies water at a rate equivalent to 12 mm/h for 30 minutes, and a double-ring infiltrometer measures soil infiltration at 9 mm/h. How long must irrigation be paused after a 30-minute run to allow infiltration of the applied water (in minutes)?

Question 4

Along an 8 m drip irrigation lateral with emitters spaced every 0.5 m, how many emitters are installed?

Question 5

Which parameter is most critical when selecting the diameter of a drip irrigation mainline in landscape installation?