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NCCCO TOWER CRANE Exam 2 Questions and Correct Detailed Answers Top Rated A+
According to ASME B30.3 the operator shall test brakes each time lifting a rated load by - ANSWER>>Lifting it a few inches and applying the brakes
According to ASME B30.3 personnel platforms shall be limited to a capacity of
persons - ANSWER>>6
According to OSHA 1926.550 (g) personnel platforms shall be limited to how many occupants - ANSWER>>Number required for the work being performed According to ASME B30.3 personnel platform shall be proof tested with what percentage of the platforms rated capacity - ANSWER>>200%
According to ASME B30.3 what is the duration of a proof test - ANSWER>>5 Minutes
According to B30.3 personnel platform should not be used in winds in excess of - ANSWER>>15mph
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According to ASME B30.3 if any controls do not operate properly they shall be adjusted or repaired prior to - ANSWER>>Commencing the next lift operation
According to OSHA wire rope slings shall not be used it, in any length of eight diameters, the total number of visible broken wires exceeds percent of the total number of wires - ANSWER>>10
According to OSHA 1926-251 rigging hardware shall be inspected - ANSWER>>Prior to each shift
According to OSHA 1926-251 custom designed rigging hardware shall be proof test to percent of their rated load - ANSWER>>125 According to OSHA 1926-251 a safety factor of must be maintained on all wire rope slings - ANSWER>>5
According to OSHA 1926.251 all rigging and rigging hardware must be inspected by a - ANSWER>>competent person
The maximum included angle allowed when attaching the slings directly to the hook is
degrees - ANSWER>>90
Slings shall be removed from service if hooks are cracked or have been opened more than
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percent of the normal throat opening measured at the narrowest point - ANSWER>>15
Slings shall be removed from service if hooks are twisted more than degrees from the plane of the unbent hook - ANSWER>>10
According to OSHA 1926.753 cranes being used in steel erection activities shall be visually inspected by a competent person - ANSWER>>Prior to each shift
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