Questions for Riggers

7/29/2019 Questions for Riggers

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Test Paper for Riggers

1. Before a rigger can select the length and capacity of slingsneeded to lift a load, what two things must he know about theload? a. Height, manufacturer b. Weight, center of gravity c. Color, designated pick points

2. A fiber core wire rope has _____ breaking strength than a wirerope with an independent wire rope core.

a. the same b. more c. less 3. Which of the following does notaffect the capacity of a wire rope sling? a. D/d ratio b. Slingangle c. Thimbles in sling's eyes

4. Which grade of chain is the only acceptable type for use in


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chain slings? a. Transport G-7 b. High test G-4 c. Alloy G-8 d.Proof coil G-3 5. Using a crane scale and test lift method wediscover the load's north end weighs 21,000 lbs and the southend weighs 7,000 lbs. If the load is 16 ft in length (north to south)the center-of-gravity is approximately ____ feet from the northend. a. 2 b. 12 c. 8 d. 4 6. If a load is to be winched acrossa flat concrete floor, it should be placed on a skid which has ___on its underneath side to provide the least friction.

a. aluminum b. wood c. steel d. rubber 7. The load chain of anelectric hoist ____ be wrapped around a load for liftingpurposes. a. should not b. can c. shall not

8. What is the maximum line pull for a 5-ton snatch block? a.2.5 ton b. 10 ton c. 5 ton

9. Which angle from horizontal will produce the greatest tensionin a sling leg; a 60 degree angle, a 45 degree angle or a 30degree angle? a. 60 degrees b. 45 degrees c. 30 degrees 10.Which weight in pounds most closely correlates to a cubic footof steel? a. 165 b. 480 c. 615 11. Which of the following isnot a removal criteria for a synthetic web sling? a. Worn orbroken stitching b. Illegible or missing tag c. Severe pliability 12.What is the hand signal to raise the boom of a mobile crane? a.Thumb up, clenched fist b. Index finger up c. Two hands, thumbspointing towards each other, clenched fists 13. A load rigged with


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the crane hook 4 ft south of the center of gravity will initiallyswing ___ upon lift-off. a. Approximately 4 ft north b.

Approximately 4 ft south c. Approximately 8 ft south 14. Thereare three conditions that must be present for a 3-leg sling bridleto have equally tensioned legs: All slings must be equidistant inlength. All slings must be equidistant from each other. What isthe third condition that must be met?

a. All slings must be fro the same manufacturer b. All slingconnection points must be equidistant to the load's center ofgravity c. All sling connection points must be on the top surface ofthe load

Happy trails to all my crane and rigging friends, Mike Parnell ITI-Field Services P.S. This article was originally published inTheProfessional Rigger Newsletter-Crane & Rigging Quiz.

Answers to Crane & Rigging Quiz:
http://iti.com/pro-rigger-mike-parnell/bid/54184/staff/Mike-Parnell/http://iti.com/pro-rigger-mike-parnell/bid/54184/staff/Mike-Parnell/http://iti.com/pro-rigger-mike-parnell/bid/54184/staff/Mike-Parnell/http://iti.com/the-professional-rigger-sign-up/http://iti.com/the-professional-rigger-sign-up/http://iti.com/the-professional-rigger-sign-up/http://iti.com/the-professional-rigger-sign-up/http://iti.com/crane-and-rigging-quiz/http://iti.com/crane-and-rigging-quiz/http://iti.com/crane-and-rigging-quiz/http://iti.com/crane-and-rigging-quiz/http://iti.com/the-professional-rigger-sign-up/http://iti.com/the-professional-rigger-sign-up/http://iti.com/pro-rigger-mike-parnell/bid/54184/staff/Mike-Parnell/


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Rigging Training Workshop - Load Control

Happy trails to all my crane and rigging friends, Mike Parnell ITI-Field Services P.S. This article was originally published inTheProfessional Rigger Newsletter-Load Control.

Answers:
http://iti.com/pro-rigger-mike-parnell/bid/56708/pro-rigger-mike-parnell/bid/56463/pro-rigger-mike-parnell/bid/56375/pro-rigger-mike-parnell/bid/56043/pro-rigger-mike-parnell/bid/55494/pro-rigger-mike-parnell/bid/55180/pro-rigger-mike-parnell/bid/55117/pro-rigger-mike-parnell/bid/54791/pro-rigger-mike-parnell/bid/54635/pro-rigger-mike-parnell/bid/54455/pro-rigger-mike-parnell/staff/Mike-Parnell/http://iti.com/pro-rigger-mike-parnell/bid/56708/pro-rigger-mike-parnell/bid/56463/pro-rigger-mike-parnell/bid/56375/pro-rigger-mike-parnell/bid/56043/pro-rigger-mike-parnell/bid/55494/pro-rigger-mike-parnell/bid/55180/pro-rigger-mike-parnell/bid/55117/pro-rigger-mike-parnell/bid/54791/pro-rigger-mike-parnell/bid/54635/pro-rigger-mike-parnell/bid/54455/pro-rigger-mike-parnell/staff/Mike-Parnell/http://iti.com/pro-rigger-mike-parnell/bid/56708/pro-rigger-mike-parnell/bid/56463/pro-rigger-mike-parnell/bid/56375/pro-rigger-mike-parnell/bid/56043/pro-rigger-mike-parnell/bid/55494/pro-rigger-mike-parnell/bid/55180/pro-rigger-mike-parnell/bid/55117/pro-rigger-mike-parnell/bid/54791/pro-rigger-mike-parnell/bid/54635/pro-rigger-mike-parnell/bid/54455/pro-rigger-mike-parnell/staff/Mike-Parnell/http://iti.com/pro-rigger-mike-parnell/bid/56708/pro-rigger-mike-parnell/bid/56463/pro-rigger-mike-parnell/bid/56375/pro-rigger-mike-parnell/bid/56043/pro-rigger-mike-parnell/bid/55494/pro-rigger-mike-parnell/bid/55180/pro-rigger-mike-parnell/bid/55117/pro-rigger-mike-parnell/bid/54791/pro-rigger-mike-parnell/bid/54635/pro-rigger-mike-parnell/bid/54455/pro-rigger-mike-parnell/staff/Mike-Parnell/http://iti.com/the-professional-rigger-sign-up/http://iti.com/the-professional-rigger-sign-up/http://iti.com/the-professional-rigger-sign-up/http://iti.com/the-professional-rigger-sign-up/http://iti.com/load-control/http://iti.com/load-control/http://iti.com/load-control/http://iti.com/load-control/http://iti.com/the-professional-rigger-sign-up/http://iti.com/the-professional-rigger-sign-up/http://iti.com/pro-rigger-mike-parnell/bid/56708/pro-rigger-mike-parnell/bid/56463/pro-rigger-mike-parnell/bid/56375/pro-rigger-mike-parnell/bid/56043/pro-rigger-mike-parnell/bid/55494/pro-rigger-mike-parnell/bid/55180/pro-rigger-mike-parnell/bid/55117/pro-rigger-mike-parnell/bid/54791/pro-rigger-mike-parnell/bid/54635/pro-rigger-mike-parnell/bid/54455/pro-rigger-mike-parnell/staff/Mike-Parnell/http://iti.com/pro-rigger-mike-parnell/bid/56708/pro-rigger-mike-parnell/bid/56463/pro-rigger-mike-parnell/bid/56375/pro-rigger-mike-parnell/bid/56043/pro-rigger-mike-parnell/bid/55494/pro-rigger-mike-parnell/bid/55180/pro-rigger-mike-parnell/bid/55117/pro-rigger-mike-parnell/bid/54791/pro-rigger-mike-parnell/bid/54635/pro-rigger-mike-parnell/bid/54455/pro-rigger-mike-parnell/staff/Mike-Parnell/http://iti.com/pro-rigger-mike-parnell/bid/56708/pro-rigger-mike-parnell/bid/56463/pro-rigger-mike-parnell/bid/56375/pro-rigger-mike-parnell/bid/56043/pro-rigger-mike-parnell/bid/55494/pro-rigger-mike-parnell/bid/55180/pro-rigger-mike-parnell/bid/55117/pro-rigger-mike-parnell/bid/54791/pro-rigger-mike-parnell/bid/54635/pro-rigger-mike-parnell/bid/54455/pro-rigger-mike-parnell/staff/Mike-Parnell/


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Questions for Riggers

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