CTSP Hazard Identification and Control 2

Question 1

When assessing a tree for work, which condition most strongly indicates the presence of internal decay?

Accepted Answer

Fungal conks or brackets growing on the bark

Answer

Epicormic shoots growing from the trunk

Answer

Yellowing of leaves in the upper canopy

Answer

Presence of moss on the north side of the trunk

Question 2

A crew member notices a large dead branch overhead before beginning chainsaw work. The FIRST action should be to:

Accepted Answer

Remove or avoid the hazard before starting work

Answer

Continue work but wear a hardhat

Answer

Mark the area with cones and proceed cautiously

Answer

Notify the supervisor after completing the job

Question 3

Which type of cut is most likely to create a reaction wood hazard that causes unexpected stem movement?

Accepted Answer

A top cut on a leaning stem under compression

Answer

A bore cut on a horizontal limb

Answer

A notch cut on a tree with included bark

Answer

A flush cut on a co-dominant stem

Question 4

According to ANSI Z133, the minimum safe approach distance from an energized conductor rated 50–200 kV for an unqualified worker is:

Accepted Answer

15 feet

Answer

5 feet

Answer

10 feet

Answer

20 feet

Question 5

A tree's root plate is partially lifted on one side. This condition most directly indicates a hazard of:

Accepted Answer

Whole-tree failure by uprooting

Answer

Crown dieback from root damage

Answer

Sap flow obstruction causing canopy stress

Answer

Soil compaction below the dripline

Question 6

When conducting a pre-work site assessment, which utility hazard requires notifying the utility owner before beginning work?

Accepted Answer

Any overhead or underground electric utility near the work

Answer

A telephone pedestal inside the work zone

Answer

A residential irrigation line in the dripline area

Answer

A natural gas meter attached to a nearby structure

Question 7

A co-dominant stem union with included bark is hazardous primarily because:

Accepted Answer

The embedded bark prevents wood fibers from interlocking, weakening the union

Answer

Included bark prevents nutrient flow to the upper canopy

Answer

It traps moisture and promotes insect infestation

Answer

Co-dominant stems always grow at angles exceeding 45 degrees