CTSP Chainsaw Use and PPE 3

Question 1

Which type of saw chain requires the sharpest filing angle and delivers the fastest cutting but is most prone to kickback?

Accepted Answer

Full-chisel chain

Answer

Full-chisel chains have square-cornered cutters that cut aggressively and quickly but are more susceptible to kickback compared to semi-chisel designs.

Question 2

Chainsaw chaps are rated by classes. Class 1 chaps protect against chain speeds up to:

Accepted Answer

1,650 ft/min

Answer

ASTM Class 1 chainsaw chaps are designed to protect against chain speeds up to 1,650 feet per minute, suitable for lower-speed saws.

Question 3

What is the purpose of the chainsaw's throttle interlock?

Accepted Answer

Prevents accidental acceleration unless the rear handle is fully gripped

Answer

The throttle interlock requires the rear handle to be gripped before the throttle can be depressed, preventing accidental engagement if the saw is bumped.

Question 4

During aerial chainsaw work, ANSI Z133 requires a saw to be secured with a:

Accepted Answer

Lanyard or holder while climbing and positioning

Answer

ANSI Z133 requires chainsaws to be secured with a lanyard or tool holder when climbing or positioning in the tree to prevent dropped-tool hazards.

Question 5

The anti-vibration system on a chainsaw primarily reduces the risk of which occupational health condition?

Accepted Answer

Hand-arm vibration syndrome (HAVS)

Answer

Prolonged chainsaw use without anti-vibration damping causes hand-arm vibration syndrome (HAVS), a permanent vascular and neurological condition affecting the hands and arms.

CTSP - Certified Treecare Safety Professional Practice Test

CTSP - Certified Treecare Safety Professional Practice Test

CTSP Chainsaw Use and PPE 3