RSP Crane Types & Operational Limits

Question 1

Which crane type uses a horizontal boom that can rotate 360 degrees and is mounted on a wheeled carrier?

Accepted Answer

Mobile hydraulic crane

Answer

Tower crane

Answer

Overhead bridge crane

Answer

Gantry crane

Question 2

What document specifies the maximum load a crane can lift at various radii and boom angles?

Accepted Answer

Crane load chart

Answer

OSHA 1926.1412 inspection form

Answer

Lift plan form

Answer

Manufacturer assembly manual

Question 3

A crawler crane differs from a mobile crane primarily because it:

Accepted Answer

Travels on tracks instead of rubber tires

Answer

Uses a hydraulic boom instead of a lattice boom

Answer

Cannot rotate the superstructure past 180 degrees

Answer

Requires outriggers to be deployed before lifting

Question 4

When operating a crane near its maximum rated capacity, the operator should primarily consult:

Accepted Answer

The load chart for the exact boom length and radius

Answer

The signal person's hand signals only

Answer

The previous day's inspection checklist

Answer

The crane manufacturer's website

Question 5

What is the primary purpose of outriggers on a mobile crane?

Accepted Answer

To stabilize the crane and increase its lifting capacity

Answer

To increase the boom length for greater reach

Answer

To anchor the crane to the ground permanently

Answer

To lower the center of gravity during transport

Question 6

Which of the following crane configurations typically has the highest rated lift capacity for a given boom length?

Accepted Answer

Shorter boom length with full outriggers extended and maximum counterweight

Answer

Boom fully extended with no counterweight

Answer

Longest boom angle near vertical with no outriggers

Answer

Fly section attached with reduced counterweight

Question 7

A tower crane's maximum load capacity is typically reduced when the load is lifted at:

Accepted Answer

A longer radius farther from the mast

Answer

A shorter radius close to the mast

Answer

Maximum height with the hook at full elevation

Answer

Minimum hook height near the ground