Mobile Crane Questions Test 1 Questions and Answers | Latest Update | Graded A+

Mobile Crane Questions Test 1 Questions and Answers | Latest Update | Graded A+ According to ANSI B30.23 personnel platform lifts should not be made with wind in excess of: 20 mph After the crane has been checked out before lifting a personnel basket, the crew should: Have a pre-lift meeting All hazards and potential problems should be discovered during the: Pre-lift site inspection. By order of hitch strength, which is the correct answer? Basket, vertical, choker. During setup how do you determine machine clearances (counterweight, boom, outrigger)? Measure for correct distances. Eccentric main boom tip reeving causes: Twisting of the boom. How does the operator determine if correct load chart is being used? Matching serial number. How does the operator verify the LMI's boom length or load radius reading? Actual measurements. How many broken wires in one strand of one lay for running wire rope would be cause for removal from service? 3. How many randomly broken wires would be cause to remove a running wire rope from service 6 If replacing the hoist line wire rope on a crane, how do you determine the size or type of wire rope to use? Use manufacturer's operators manual or load chart. If the rated capacity of the crane is above the solid line or within the shaded areas or has an asterisk next to it, this means the capacity is based on? Structural competence. If the SWL of a cranes wire rope is 10,000 lbs. Using a one part line, what is the SWL when using 4 parts? 40,000. In a range diagram, boom length and angle can be used to determine: Load radius. Load radius is the distance from the center of gravity of the suspended load to the: Center of rotation. Net capacity is equal to: Gross capacity minus capacity deductions. On a load chart, values above the load line mean: Capacities based on structural competence. Should the load be applied when determining the proper boom angle? Yes Side-loading may be caused by: Starting or stopping the swing too rapidly. The primary purpose for a rooster sheave or auxiliary boom point sheave is to: Separate the hoist lines. The term "Upperworks" or "Superstructure"