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Which area do truck cranes without a 5th outrigger generally have no lifting capacity unless the manufacturer states otherwise? - correct answers The front What is the definition of "operating radius?" - correct answers The distance from the center of rotation of the crane to the center of gravity of the load What applies to the capacities below the bold line shown on a load chart? - correct answers They are based on the stability of the crane In which quadrant are rough terrain crane capacities generally greater? - correct answers Over the front What percentage do most manufacturers requires a crane's load chart capacity to be reduced by for duty cycle operations - such as high-volume concrete placement? - correct answers 20% From which two points should the boom be measured? - correct answers From the boom hinge pins, to the center of the boom tip sheave What is the preferred method of installing wire rope from a reel onto a hoist drum? - correct answers Running the rope from the top of the reel, to the top of the drum. Over which quadrant are truck crane capacities usually greater? - correct answers Over the rear According to OSHA, which accessible area of an operating crane must always be barricaded? - correct answers The swing radius of the rear of the rotating superstructure What is the OSHA regulation governing cranes in construction? - correct answers 1926.1400 According to ASME, what percentage of the manufacturer's crane rating must not be exceeded if a load test is done on a repaired crane? - correct answers 100% Where is the tipping axis of a crawler crane located? - correct answers It depends if the idler or sprocket are in line or offset from the track rollers What should be done with materials placed under overhead energized power lines? - correct answers NOT be lifted by crane What determines the amount of deduction required for an erected jib that is not being used? - correct answers The effective weight of the jib What happens to ground bearing pressure if you move a crawler crane from soft ground to harder ground? - correct answers It increases How should the wheels of a crane be positioned when it is set up for working on outriggers? - correct answers Just high enough off the ground to relieve the tires of crane weight Where is the tipping axis of a crawler crane located? - correct answers It depends if the idler or sprocket are in line or offset from the track rollers Where are the Standard Method hand signals found? - correct answers OSHA Subpart CC A truck crane is set up on outriggers. The part of the load chart governed by stability is based on what percentage of the cranes capacity? - correct answers 85% Truck crane capacities are usually greater over the - correct answers Rear If the operator makes two audible signals when moving a crane, he/she intends to = correct answers Go ahead Blocking (Cribbing) may be placed under outrigger beams: - correct answers Never. According to OSHA, when can an operator leave his seat with a suspended load in the air? - correct answers Almost never (and the exception requires that four conditions be met) The ASME standard requires operators to pass four exams and to demonstrate knowledge in four areas. (Exam and Knowledge areas, four each) - correct answers Exam Areas: ¢ Written exam * Practical exam * Physical exam * Load chart Knowledge Areas: © Reading ¢ Writing * Math © Rules & Regulations Listen seven ideal conditions for crane operation. - correct answers 1) Not windy 2) Clear vision (no fog) 3) Sunny (Dry) 4) Crane is maintainenced (greased) 5) Crane is assembled correctly 6) Load is static 7) Site is level List four things an operator should consider when deciding how much, if any, to reduce operating capacity in the wind. - correct answers 1) If speeds are 20mph 2) Direction of wind 3) Surface area of boom length & load 4) Manufacturers instructions What type of capacity is listed on a crane load chart? - correct answers Static List two reasons crane manufacturers require reductions in capacity for duty cycle work. - correct answers 1) dynamic loading 2) increased radius Is there an official requirement that requires each outrigger float on blocking to be 100% supported? - correct answers Yes. This is enquires 
