Roof Sailing Rigging and Line Systems 2

Question 1

Which type of carabiner is required for use in fall protection systems according to ANSI/ASSE Z359 standards?

Accepted Answer

Locking carabiner with a gate strength of at least 3,600 lbs

Answer

Non-locking carabiner rated for 2,000 lbs

Answer

Any carabiner stamped with a load rating

Answer

A snap hook without a keeper bar

Question 2

What does 'rope lay' refer to when evaluating a line for rigging use?

Accepted Answer

The direction and tightness of the rope's twisted strands

Answer

The length of rope available for the job

Answer

The rated breaking strength marked on the rope

Answer

The color coding system used to identify rope diameter

Question 3

A shock-absorbing lanyard is designed to limit the maximum arrest force on a worker to which value?

Accepted Answer

900 lbs (4 kN)

Answer

2,000 lbs (9 kN)

Answer

1,500 lbs (6.7 kN)

Answer

500 lbs (2.2 kN)

Question 4

When two ropes must be joined end-to-end for a rigging extension, which knot is the safest choice?

Accepted Answer

Double fisherman's knot

Answer

Square knot

Answer

Granny knot

Answer

Half hitch

Question 5

What is the recommended maximum free-fall distance allowed before a fall arrest system activates, per OSHA 1926.502?

Accepted Answer

6 feet

Answer

10 feet

Answer

4 feet

Answer

12 feet

Question 6

A 'D-ring' on a full-body harness should be positioned where for use as the primary fall arrest attachment point?

Accepted Answer

Center of the back, between the shoulder blades

Answer

On the chest, at sternum level

Answer

On the hip, at the side

Answer

On the shoulder, at the top

Question 7

What is the minimum breaking strength required for a component in a personal fall arrest system under OSHA regulations?

Accepted Answer

5,000 lbs

Answer

2,000 lbs

Answer

1,800 lbs

Answer

3,500 lbs