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20 Cards in this Set
- Front
- Back
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Mixing rigging hardware of different lifting capacities is okay, as long as the capacity of one of the hardware items exceeds the weight of the load.
A. True B. False |
B. False |
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The safe working load of a rigging hook is accurate only when the loss is suspended from the _____ of the hook.
A. Body B. Eye C. Throat D. Saddle |
D. Saddle |
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OSHA requires that a hook be replaced if the throat has opened _____ percent or more from its original size.
A. 5 B. 10 C. 15 D. 20 |
C. 15 |
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A hook that is point-loaded can carry about ______ percent of the rated load.
A. 20 B. 40 C. 60 D. 75 |
B. 40 |
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Slings are attached together using ______.
A. Spacers B. Sling eyes C. Shackles D. Lifting lugs |
C. Shackles |
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All of the following are true except _____.
A. Shackles with pins worn more than 10 percent should be replaced.
B. The size of a shackle is determined by its pin size C. When using a shackle on a hook, the pin of the shackle should be hung on the hook D. If a shackle is pulled at an angle, its capacity is reduced |
B. The size of a shackle is determined by its pin size |
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Tapped holes used with a screwed-in eyebolts should have a minimum depth of ______ times the bolt diameter .
A. 1 1/4 B. 1 1/2 C. 1 3/4 D. 2 |
B. 1 1/2 |
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Which of the following statements about lifting lugs is correct?
A. They can only be used for vertical lifts B. They can only be used for angled lifts C. They are used primarily for vertical lifts, but some are also used for angled lifts if so designed D. They are used primarily for angled lifts, but some are also designed for vertical lifts. |
C. They are used primarily for vertical lifts, but some are also used for angled lifts if so designed |
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Screw-type plate clamps are used for vertical lifting of plates only.
A. True B. False |
B. False |
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A _______ can be used to level loads when the legs of a sling are unequal.
A. Rigging link B. Equalizer plate C. Plate clamp D. Beam clamp |
B. Equalizer plate |
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Custom-fabricated spreader and equalizer beams should be tested at _____ percent of their rated capacity.
A. 100 B. 125 C. 150 D. 200 |
B. 125 |
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Long loads are supported during lifting operations with _______.
A. Spreader beams B. Equalizer beams C. Compound equalizer plates D. Serrated clamps |
A. Spreader beams |
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One of the slings best suited for situations where the load is abrasive, hot, or tends to cut is a _____ sling.
A. Wire rope B. Synthetic web C. Endless grommet D. Metal mesh |
D. Metal mesh |
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The term D/d ratio refers to the relationship between the sling and the _______.
A. Distance from the hook to the load B. Diameter of the surface the sling is wrapped around C. Distance from the load to the ground D. Diameter of the load |
B. Diameter of the surface the sling is wrapped around |
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Dredging and other marine work requires _______ slings because they withstand corrosion better.
A. Chain B. Synthetic web C. Wire rope D. Mesh |
A. Chain |
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A chain sling should be discarded if any portion of the chain is worn by ____ percent or more.
A. 5 B. 10 C. 15 D. 20 |
C. 15 |
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Which of the following statement about a compound block and tackle is correct?
A. It has greater capacity, but requires more effort B. The fixed block is attached to the load. C. The more sheaves the blocks have, the greater the load capacity D. It is always necessary to tie off the hauling line to keep the load from falling |
C. The more sheaves the blocks have, the greater the load capacity |
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The capacity range of come-alongs is ________ tons.
A. 1/2 to 6 B. 2 to 5 C. 3 to 7 D. 8 to 10 |
A. 1/2 to 6 |
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The ratchet jack can lift heavier loads than the screw jack or hydraulic jack.
A. True B. False |
B. False |
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The most useful general- purpose jack is the _____ jack.
A. Inverted screw B. Hydraulic C. Upright screw D. Ratchet |
B. Hydraulic |
