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