Mobile Cranes Fall Exam

NCCCO Telescopic Boom Crane- Mobile Cranes Fall Exam Review Questions and Answers 100% Pass T or F As crane signaling is only a basic function and the signal person knows where the loads will be positioned, training or testing of the signal person should not be required - Answer>>False When using hand signals to direct a crane operator, an extended arm with the thumb vertical and the fingers opening and closing

into a fist indicates: - Answer>>raise boom and lower the load

Two closed fists with both thumbs pointing toward each other is

the signal for: - Answer>>retract hydraulic boom

Which of the following is not a permitted use of an "operational aid"? - Answer>>used to test weigh a load prior to hoisting T or F Any crane component can be used on any other crane made by the same company - Answer>>false A rough terrain crane is commonly referred to as; - Answer>>cherry picker Which of these conditions could be dangerous when operating a crane around a newly constructed building? - Answer>>uncompacted soil 1 / 2

When hoisting on outriggers with a permitted 360 degree swing, which position is the most hazardous in most conditions? - Answer>>over corner T or F The ground pressure under the outriggers is higher than it is under a crawler track because of the smaller bearing surface - Answer>>True An outrigger float should be approximately how much larger that the outrigger pad? - Answer>>3 times When setting a a crawler crane for use on a new site, which of the following is not required prior to use? - Answer>>name of the person that will operate the crane Where should the slings be attached when lifting lattice boom sections? - Answer>>use the end connections T or F During crane assembly, the counterweight is mounted after the installation of the complete boom - Answer>>false When assembling lattice boom sections, which set of pins are installed first? - Answer>>both upper When installing the boom pins, the pin should be pointing; - Answer>>out away from boom center When dismantling a lattice boom, which boom pins should be removed first? - Answer>>both lower T or F

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