NCCCO Lattice Boom General Knowledge | 100% Correct Answers | Verified | Latest 2024 Version

The lattice boom is designed to take winds of up to 20 mph. from the side plus a full rated load, plus a direct side load equal to what percent of the rated load? - 2% The part of the load chart governed by stability is based on what percentage of capacity while a crawler crane is working over the side quadrant? - A. 75% The most unstable working quadrant for a crawler crane is the; - Side What type of capacity is listed on a crane load chart? - Static If the manufacture of a particular crane does not specifically permit pick and carry operations what procedure must be followed during this operation? - Don't make any pick and carry lifts What is the main purpose of a jib/extension? - To extend reach higher or up and over When the number of layers of rope on a drum increase the line pull___________. - Decreases When handling boom sections, the best place for slings to be attached is; - At the pin connections at the ends of the top chords Placing timber blocking under the tips of the tracks on a crawler crane will; - Make the crane more stable What is the major effect of stopping suddenly a rapid swing while operating long boom crane? - Action may cause the crane boom