WTT Safety Procedures 3

Question 1

What is the purpose of a 'buddy system' during wind turbine maintenance operations?

Accepted Answer

To ensure one person monitors safety while the other works

Answer

The buddy system ensures a second person monitors conditions and can summon help if the working technician is incapacitated.

Question 2

Which color of safety tag on a wind turbine component typically indicates 'Do Not Operate'?

Accepted Answer

Red

Answer

Red tags universally indicate 'Do Not Operate' or danger conditions that prohibit equipment use until cleared.

Question 3

A technician discovers an unlabeled drum of liquid near the tower base. The safest first step is to:

Accepted Answer

Treat it as hazardous and notify the site safety officer

Answer

Unidentified substances must always be treated as hazardous until confirmed otherwise, and the safety officer must be notified immediately.

Question 4

How often must a personal fall arrest system harness be formally inspected by a competent person?

Accepted Answer

Before each use and annually by a competent person

Answer

ANSI/ASSE Z359 requires pre-use inspection before every use plus an annual formal inspection by a competent person.

Question 5

When ascending a wind turbine tower ladder equipped with a fall arrest cable, the carabiner must be connected to the cable:

Accepted Answer

Before leaving the ground and kept connected throughout the climb

Answer

The carabiner must be attached to the fall arrest cable before leaving the ground and must remain connected throughout the entire climb.

(WTT) Wind Turbine Technician Certification Practice Test