NCCCO Core Exam Outline Questions with Correct Answers 2024/2025

NCCCO Core Exam Outline Questions with Correct Answers 2024/2025 Timber or steel - Correct Answers These materials should be used when setting up on soft surfaces such as soft ground, asphalt or backfilled material Over the corner - Correct Answers On crawler cranes, which boom position creates the greatest ground pressure Blocking - Correct Answers Allows the weight of the crane and load to be distributed over a greater surface area. Should be used under outrigger floats at all times. 3 - Correct Answers Blocking should be at least how many times the surface area of the float Energized - Correct Answers Overhead power lines must be considered to be in this condition until electrical authorities indicate otherwise Prohibited zone - Correct Answers No part of the crane or load must ever enter this area around an energized power line kV - Correct Answers The prohibited zone must be enlarged as this increases 20 foot - Correct Answers What minimum distance does OSHA require be maintained when voltage up to 350 kV is unknown 50 foot - Correct Answers What minimum distance is required if the voltage is over 350 kV and unknown Qualified signal person - Correct Answers This person must be appointed any time the crane is working within a boom's length of the prohibited zone Tag lines - Correct Answers The use of these should be avoided when lifting near power lines, however if necessary should be non-conductive type Above power lines - Correct Answers Avoid operating cranes or handling materials in this area of power lines