ISA Arborist Certification Practice Exams Part 1 | Comprehensive Practice Test| Study Guide Newest Actual Questions & Answers (A+ Guide Solutions.

ISA Arborist Certification Practice Exams Part 1 | Comprehensive Practice Test| Study Guide Newest Actual Questions & Answers (A+ Guide Solutions. Quiz_________________? A rope has a tensile limit of 15,000 lbs. What is the working load limit for a safety factor of 10? (A) 1,500 lbs. (B) 5,000 lbs. (C) 7,800 lbs. (D) 10,000 lbs. - Answer A Quiz_________________? A single rod is to be installed to brace a crotch intersection. The branch diameter is 6" and the trunk diameter is 14". What is an acceptable height for the rod to be installed above the crotch intersection? (A) 3" (B) 8" (C) 14" (D) 20" - Answer B Quiz_________________? A town has recently acquired a golf course and is deciding how best to proceed with the land. The local tree inventory needs to be updated to fully include the newly acquired assets. What type of inventory needs to occur in this situation? (A) Random sampling (B) Partial (C) Complete (D) Selective - Answer B Quiz_________________? A tree can be defined as decurrent when: (A) New lateral shoots outgrow the original terminal shoots (B) Terminal shoots are longer than expected(C) Narrow tree crown(D) Strong apical control - Answer A Quiz_________________? A tree exhibits wounded areas of the lower trunk and some physical damage to surface roots. What is the most likely cause of the injury? (A) Frost (B) Poor soil conditions (C) Lawnmower or machinery (D) Disease - Answer C Quiz_________________? A tree in a remote area is being evaluated for risk. It is determined that if the tree falls, there is no significant threat to life or property. What is the appropriate level of risk to be assigned to the tree? (A) None (B) Low (C) Moderate (D) High - Answer A Quiz_________________? A tree is damaged heavily in a storm and only a few branches are remaining. What is most likely the appropriate pruning cut to try to save the tree? (A) Reduction (B) Heading (C) Three-cut (D) Thinning - Answer B Quiz_________________? A tree is identified as being in the mortality spiral when what has occurred? (A) The tree has begun to see detrimental stress factors (B) The tree has seen an isolated but severely detrimental stress factor (C) Cumulative stress factors have yielded a situation where very few actions can save the tree (D) Any combination of stress factors has occurred over time - Answer C Quiz_________________? A tree is measured to have a drip line to drip line distance of 66 ft. Using a canopy cover estimation of the tree as a circle, how many trees would it take to cover one acre? (A) 5 (B) 9 (C) 13 (D) 22 - Answer C Quiz_________________? A tree is to be planted close to a newly built retaining wall for beautification. What habit is most likely appropriate for the selection of the tree. (A) Pyramidal (B) Upright (C) Weeping (D) Spread - Answer B Quiz_________________? A tree protection zone is being installed on a construction site to protect against the damage of a 20-inch diameter tree. What is the minimum diameter of the tree protection zone? (A) 10 ft. (B) 15 ft. (C) 20 ft. (D) 40 ft. - Answer C Quiz_________________? A tree that splits during a backcut in an upward direction is which of the following? (A) Hinge cut (B) Humboldt notch (C) Internal fault (D) Barber chair - Answer D Quiz_________________? A tree with a crown radius of 25 ft. is having a lightning protection system installed. What is the required number of conductors? (A) 0 (B) 1 (C) 2 (D) 3 - Answer B