NCCCO TELESCOPIC BOOM CRANE- SWING CAB(TLL) EXAM QUESTIONS AND ANSWERS VERIFIED 100% CORRECT |GUARANTEED ACCURATE ANSWERS

NCCCO TELESCOPIC BOOM CRANE- SWING CAB(TLL) EXAM QUESTIONS AND ANSWERS VERIFIED 100% CORRECT |GUARANTEED ACCURATE ANSWERS When a rough terrain crane is working on tires, backward tipping is most likely to occur when the unloaded boom is position over the - ANSWER -Side at short radius When performing pick and carry operations with a rough terrain crane, you should keep the load - ANSWER -Positioned over the front of the carrier In which outrigger configuration would a crane be the most susceptible to tipping from a rapidly swinging load? - ANSWER -Outriggers up and in According to OSHA 1926 subpart cc, when extending outriggers from the crane's upper structure, the operator shall - ANSWER -Make visual contact or post a signal person A luffing jib is - ANSWER -Raised or lowered independent of the main boom When operating a rough terrain crane, what is the most stable quadrant of operation? - ANSWER -Front When operating a telescopic boom truck crane, what is the most stable quadrant of operation? - ANSWER -Rear Capacities of telescopic boom truck cranes are based on what percentage of tipping? - ANSWER -85% When working on rubber, a rough terrain crane's capacity is based on what percentage of tipping? - ANSWER -75% What is the primary concern when operating rough terrain cranes on rubber at high boom angles? - ANSWER -Backward stability During pick and carry operations, how is travel speed determined? - ANSWER Manufacturers specifications A crane is operating with a long boom, on outriggers, on uneven ground. Under these conditions it is important to - ANSWER -Block under the float or pad to achieve a 90 degree angle between the cylinder rod and the float or pad What is the purpose of a boom length indicator? - ANSWER -Indicates the extended length of boom According to OSHA 1926 subpart cc, floats/pads must be fastened to the outrigger/stabilizers when - ANSWER -They are in use A crane's jib is offset 15 degrees versus it's original 0 degree offset and the boom angle remains unchanged, the load radius will - ANSWER -Increase When leaving telescopic boom cranes unattended overnight or for longer periods, the boom should be - ANSWER -Fully retracted and stowed On a telescopic boom truck crane that has all 5 outriggers properly positioned, the working area diagram will indicate the "over front" area is - ANSWER Determined by the crane manufacturer According to OSHA 1926 subpart cc, who determines if a crane can be used for pick and carry operations? - ANSWER -The manufacturer According to OSHA 1926 subpart cc, what function does the holding valve on a vertical outrigger jack perform? - ANSWER -Hold pressure in the vertical ram if a hydraulic connection fails When a crane's telescopic boom sections are required to be extended equally, and the are not, the - ANSWER -Longest section can be overloaded With the boom extension mounted on the boom tip, the main boom rating must be reduced to compensate for the boom extension's - ANSWER -Effective weight According to OSHA 1926.1433, which of the following must be on the crane? A. A fire extinguisher B. Anti two-block warning system C. Battery disconnect switch D. Vehicle identification number - ANSWER -A. A fire extinguisher A carrier-mounted crane that is set up on outriggers should have the tires on the carrier - ANSWER -Off the supporting surface