NCCER Core Rigging Fundamentals & Material Handling 3

Question 1

What hand signal is used to instruct a crane operator to raise the load?

Accepted Answer

Finger pointing up with a circular motion of the forearm and hand

Answer

Closed fist held stationary at shoulder height

Answer

Both arms extended outward at shoulder level

Answer

Thumb pointed upward with arm extended

Question 2

What is the correct action when you discover defective rigging equipment on a job site?

Accepted Answer

Tag it out and remove it from service immediately

Answer

Use it only for lighter loads

Answer

Report it to your supervisor but continue using it until replaced

Answer

Repair it on-site using available materials

Question 3

What is 'blocking' or 'cribbing' used for in material handling and rigging?

Accepted Answer

Supporting and stabilizing loads when they are set down

Answer

Marking exclusion zones around suspended loads

Answer

Attaching rigging hardware to load attachment points

Answer

Calculating the load weight before lifting

Question 4

OSHA standards require that workers remain outside the swing radius of a crane's counterweight to prevent:

Accepted Answer

Being struck by the rotating counterweight

Answer

Interference with the crane operator's view

Answer

Reducing the crane's rated lift capacity

Answer

Damaging the crane's slewing ring

Question 5

When stacking materials on a job site, the general rule for maximum stack height is based on:

Accepted Answer

The stability and weight of the material to prevent tipping

Answer

The color coding of the material

Answer

The height of the storage facility ceiling

Answer

The number of available workers to move the materials

Question 6

What is the primary reason to never stand or walk under a suspended load?

Accepted Answer

Rigging failure or dropped load can cause fatal crush injuries

Answer

It blocks the crane operator's view of the load

Answer

It interferes with the tag line crew's ability to control the load

Answer

OSHA requires a minimum clearance for documentation purposes

Question 7

When manually lifting a heavy object, which technique best protects the worker's back?

Accepted Answer

Position the load close to the body, bend the knees, and lift with the leg muscles

Answer

Keep the load away from the body and lift with a rounded back

Answer

Bend at the waist, keep legs straight, and lift with the back muscles

Answer

Twist the torso to align with the load before initiating the lift