NCCER Core Rigging Fundamentals & Material Handling

Question 1

What is the primary purpose of a tag line in a rigging operation?

Accepted Answer

To control the load and prevent it from spinning or swinging

Answer

To secure the load to the crane hook

Answer

To indicate the weight capacity of the rigging

Answer

To connect two sling legs together

Question 2

What does the abbreviation 'SWL' stand for in rigging?

Accepted Answer

Safe Working Load

Answer

Standard Wire Length

Answer

Steel Wire Limit

Answer

Sling Weight Limit

Question 3

As the angle of a sling leg from vertical increases, the tension on each leg of the sling:

Accepted Answer

Increases

Answer

Decreases

Answer

Remains the same

Answer

Becomes equal to the total load weight

Question 4

What is a shackle most commonly used for in rigging?

Accepted Answer

Connecting sling components and lifting devices

Answer

Measuring load weight

Answer

Marking the safe zone around a load

Answer

Determining the center of gravity

Question 5

Which of the following is the correct first step before performing any rigging lift?

Accepted Answer

Inspect all rigging equipment for defects

Answer

Attach the sling to the crane hook

Answer

Signal the crane operator to take up the slack

Answer

Determine the number of workers needed

Question 6

What is the minimum recommended sling angle from horizontal when using a two-leg bridle sling?

Accepted Answer

45 degrees

Answer

15 degrees

Answer

30 degrees

Answer

60 degrees

Question 7

When a wire rope sling has been used in a choker hitch configuration, the rated capacity of the sling:

Accepted Answer

Is reduced to approximately 75% of the vertical hitch rating

Answer

Remains the same as a vertical hitch

Answer

Increases by 25%

Answer

Is reduced to approximately 50% of the vertical hitch rating