CCO PRACTICE EXAM

d)stop crane from sliding unexpectedly - increase the crane's stability when operating over front or back What quadrant produces the least amount of ground pressure on a lattice crawler: a) corner b) side c) front d) rear - side During assembly where should you attach slings to lift boom sections: a) to the top of main chords b) to the top end fittings c) 2 feet from end of section d) center of boom section - to the top end fittings When a lattice boom truck crane is set up on outriggers, the floats or pads should always be: a) large enough to support two times the applied load b) with the tires firmly on the ground c) secured to the outriggers d) placed on the mats - secured to the outriggers A truck crane operating with outriggers fully extended and set, but does not have a front outrigger, the operator should: a) operate over the front with caution b) refer to the manufacturer's working area diagram