ISA Certified Arborist questions with correct answers

Name 3 instances in which cabling might be called for in a tree. CORRECT ANSWER a) support a weak crotch b) support for multi stemmed trees c) support for weak wooded trees Common-grade cable is relatively malleable (bendable) and easy to work with. ________ - _________ - ________ cable is much stronger but less flexible than common-grade cables. CORRECT ANSWER extra-high-strength One advantage of _______ _______ is that it is both strong and flexible. A potential drawback is the limitation of choices for attachment. CORRECT ANSWER aircraft cable As a general rule, cables should be installed _______ - _______ the distance from the weak branch union to the top of the tree, as long as the wood is solid and large enough to install the hardware. CORRECT ANSWER two-thirds Limbs may be brought closer together while installing the cable, so that when released, the cable will be just _______. CORRECT ANSWER taut Dead-end hardware such as _______ _______ or _______ _______ can be used as anchors in smaller branches that are not decayed. CORRECT ANSWER lag eyes, lag hooks