Mobile Crane Load Charts Quiz
- Except for test purposes, no crane shall be loaded beyond the specifications of the _____.
a. AWS D1.14
b. Certificate of conformance
c. Crane's repair manual
d. Load rating chart
2. The crane is set up to lift a load with a boom length at 78' at a working radius of 49'. Which gross capacity value should the operator limit the lift based on the load rating chart?
| Boom | Length | in Feet | ||
| Radius in Feet | 75 | 92 | 104 | |
| 45 | 49,600 | 46,800 | 43,100 | |
| 50 | 46,700 | 47,300 | 42,900 | |
| 55 | 44,800 | 45,600 | 41,400 |
a. 49,600
b. 46,700
c. 47,300
d. 46,800
3. A "list" load rating chart must be provided by the crane manufacturer when a crawler crane is working _______ .
a. On a barge
b. In a mining pit
c. With another crane performing a two-crane lift
d. In a unimproved field while loading a semi-truck
Answers
1. D 2. B 3. A