NCCCO CORE

On what principle is crane stability based? - leverage Who must confirm that an overhead power line is de-energized? - Line owner The use of equipment to hoist personnel is prohibited except where the employer can demonstrate what? - Other methods would be more hazardous Which of the following would not cause the effect of impact loading on the crane? A. Sudden snatching of the load B. Rapid hoist acceleration C. High boom angle operations in windy conditions D. Graduated lever control application - D. Graduated lever control application According to OSHA 1926 subpart cc, How frequently must operational aides be checked? - Each shift What is the minimum number of parts of line required to lift a load that weighs 38,588 lbs. ? - 4 Which factor is the most important to consider about site access? - Compaction of approach roads What is one purpose of the load moment indicator? - To warn the operator of an overload condition How are construction site hazards and restrictions located and identified? - A pre-operational work site inspection