crane safety question n answers graded A+

crane safetyWhat type of crane has a single vertical tower with a fixed horizontal boom and can exceed heights of over 200 feet with lifting capacities of 22 tons or more? a. Truck-mounted crane b. Helicopter crane c. Hammerhead tower crane d.Wheel-mounted crane - correct answer c What type of crane is similar to an overhead crane, except that the bridge is supported on two or more legs running on fixed rails or other runway? a.Tower crane b. Helicopter crane c.Locomotive crane d.Gantry crane - correct answer d What type of crane is used in situations where the ground or terrain would not be suitable for placing a crane or in areas that are not accessible to other types of cranes? a.Tower crane b.Helicopter crane c. Wheel-mounted crane d.Crawler crane - correct answer b What are factors to consider when selecting the right crane for the job? 1.Maximum lifting capacity 2.Lifting height and reach ranges that are needed 3.Whether crane height adjustability is a requirement 4. Is the crane easy to use - correct answer 1.2.3 Which of the following statements are true concerning accidents involving cranes? 1.Human error is the most common cause. 2.Mechanical failure is the most common cause. 3.The majority of deaths occur to the crane operator. 4.Contact with power lines is a common crane accident. - correct answer 1.4 What are common causes of crane accidents? 1.Upsetting or overturning the crane 2.Overloading the crane 3.Striking a flying aircraft 4.Being struck by a moving load or falling objects - correct answer 1.2.4