NCCCO General Knowledge Practice Exam Q&A 100% A+Graded

NCCCO General Knowledge Practice Exam Q&A 100% A+Graded 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? - CORRECT ANSWER-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? - CORRECT ANSWER-A. 75% The most unstable working quadrant for a crawler crane is the; - CORRECT ANSWERSide What type of capacity is listed on a crane load chart? - CORRECT ANSWER-Static If the manufacture of a particular crane does not specifically permit pick and carry operations what procedure must be followed during this operation? - CORRECT ANSWER-Don't make any pick and carry lifts What is the main purpose of a jib/extension? - CORRECT ANSWER-To extend reach higher or up and over When the number of layers of rope on a drum increase the line pull___________. - CORRECT ANSWER-Decreases When handling boom sections, the best place for slings to be attached is; - CORRECT ANSWER-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; - CORRECT ANSWER-Make the crane more stable What is the major effect of stopping suddenly a rapid swing while operating long boom crane? - CORRECT ANSWER-Action may cause the crane boom collapse and/or overturn the crane According to B30.10 hooks shall be removed from service when the throat opening exceeds _____ the original throat opening. - CORRECT ANSWER-5% On a crawler crane ground bearing pressure is greatest where? - CORRECT ANSWEROver the corner During disassembly of a long boom, the pendant lines are connected at the maximum cantilever point and the boom is slightly lifted off the ground, which boom connection pins are to be removed next? - CORRECT ANSWER-The bottom pins ahead of the cantilever point Most crane manufactures require the load chart capacities must be reduced when wind speed reaches; - CORRECT ANSWER-20 mph The definition of cantilever of a lattice boom crane is; - CORRECT ANSWER-The boom suspended past the pendant connections What chart do you use when operating a crane on a barge; - CORRECT ANSWER-List chart According to OSHA, Jibs must have a positive ________ from backwards overturning - CORRECT ANSWER-Stop Mobile cranes on barges shall be - CORRECT ANSWER-P