NCCCO Rigger 1 Exam Questions and Answers Verified 100% Correct

NCCCO Rigger 1 Exam Questions and Answers Verified 100% Correct When the distance between sling attachments and sling length are the same, then what is the sling angle? - ANSWER -60 degrees The distance between sling attachment points, multiplied by .75 will result in the approximate sling length for a _____sling angle - ANSWER -45 degree Shackles WLL up through 4" must be what safety factor? - ANSWER -5:1 Over 4 inches safety factor is what? - ANSWER -4:1 what can slings be safely connected to each other with? - ANSWER -shackles the eye of a wire rope sling should not be placed on a hook or pin that is larger than what? - ANSWER -1/2 the slings eye length what is required to be on a new wire clip saddle? - ANSWER -manufacturer, trademark, and size The eye of a synthetic web sling should not be placed on a hook or pin that is larger than what? - ANSWER -1/3 the slings eye length a hand tucked (spliced) wire rope sling should not be used as the only sling in a _____________because if allowed to rotate, the splice can come undone - ANSWER -straight line hitch ASME standard for below the hook lifting devices? - ANSWER -B 30.20 ASME standard for for slings? - ANSWER -B30.9 ASME standard for hooks? - ANSWER -B30.10 ASME standard for rigging hardware? - ANSWER -B30.26 when the D:d ratio is decreased, the capacity of a wire rope sling will what? - ANSWER -Increase alloy chains safety factor is what? - ANSWER -4:1 chains shall be proof tested to what percent of their max rated capacity? - ANSWER -200 % when using a shackle to connect two slings to a crane hook, always put the pin where - ANSWER -in the crane hook what is not required to be on a mechanical jack? - ANSWER -serial number mechanical jacks shall be inspected how often? - ANSWER -yearly OSHA standard for hoisting personnel - ANSWER -1926.1431 eyes in a wire rope sling connected to personnel platforms must have what? - ANSWER -thimbles in the eyes proof testing is to what percent - ANSWER -200 % What is the max included angle for a shackle? - ANSWER -120 Degrees Wire rope clips and wedge sockets shall be designed to have a minimum connection efficiency of? - ANSWER -80 % The center of gravity location of a load may _________of the load - ANSWER Not be located on the actual physical body A sling that is rigged at 30 degrees to the load will be subjected to an increase sling tension of? - ANSWER -200 % Using a wire rope sling in a choker hitch configuration, the capacity will be how much less than a straight line hitch? - ANSWER -25 % The capacity of the vertical basket hitch is generally considered to be blank percent of the straight line vertical hitch capacity? - ANSWER -200 % in the D:d ratio the uppercase D stands for what? - ANSWER -Diameter of the object the sling will pass around As a general rule, the smaller the D:d ratio applied to a wire rope sling's body, - ANSWER -the more the slings capacity is reduced