Study Guide for Mobile Crane Questions Test #2 Exam with Verified Answers

Study Guide for Mobile Crane Questions Test #2 Exam with Verified Answers When making a multiple crane lift it is important for the operator to understand that: - CORRECT ANSWER-The weight may increase if the other crane lands the load. If a crane is not set-up level and the operator swings a load from the high side, the load radius will: - CORRECT ANSWER-Increase. Most crane manufacturers reduce load capacity for duty-cycle operations because: - CORRECT ANSWER-Side-loading forces may occur. On whose recommendations should preventative maintenance program be set-up: - CORRECT ANSWER-C rane manufacturer. What is the standard rope used on most cranes? - CORRECT ANSWER-Right regular lay. The proper way to calibrate a boom angle indicator is: - CORRECT ANSWER-Using a level, raise the boom horizontal and set the indicator at 0º. The red area of a instrument gauge means: - CORRECT ANSWER-A dangerous condition exists. The best way to keep people from being injured from the counterweight of crane is to: - CORRECT ANSWER-Fence or barricade the tail swing area of the crane. Only approved attachments or extra counterweights made by the manufacturer should be placed on the rear of the crane because: - CORRECT ANSWER-They could cause a backward stability problem. What is the first thing an operator should do before going under a low pipe rack? - CORRECT ANSWER-Post a signal person to check clearance. When working on outriggers, the only time they should be less than fully extended is when: - CORRECT ANSWER-There is a load chart for this operation. When lifting loads from the water, the operator should be aware that: - CORRECT ANSWER-The load will increase when you pick the load from the water. What is required to be on a hydraulic crane in order for it to lift a manbasket? - CORRECT ANSWER-Boom length indicator