NAVFAC P-307 Training

What types of power does a category 1 or 4 crane generally use and what is it's source? - Answer- A hook is what type of component? - Answer- Load-bearing part Hydraulic foot brakes are what type of group of components - Answer- Load-controlling parts Load-_____ parts are those that support the load. - Answer- Bearing How is electrical current conveyed from the revolving portion of the crane to the lower crane structure? - Answer- Through the collector ring system Safety devices that provide protection for personnel and equipment are considered _________ safety devices? - Answer- General Safety devices that affect the safe load lifting and handling capabilities of the equipment are considered ______________ safety devices - Answer- Operational which of the following does not affect the safe operation of the crane - Answer- General safety devices A travel alarm is what type of group of components - Answer- General safety devices to find the weight of a aluminum plate, you would multiply... - Answer- Square feet times material weight per square foot based on a specified thickness A triangular shaped 1 inch thick metal plate has a base of a 10 feet and a height of 15 feet. What is the area of the plate? - Answer- 75 square feet A circular shaped 1/2 inch thick aluminum plate has a diameter of 7 feet. What is the area of the plate rounded up? - Answer- 39 square feet A complex shape of 1 inch thick aluminum plate has a rectangular area of 64 square feet and triangular area of 16 square feet. if aluminum weights 14 pounds per square foot, how much does the plate weigh (rounded up) - Answer- 1,200lbs A complex shape of 1 inch