GUIDE
1. Tuggers are actually pneumatic ✔️D) winches!
2. The type of jack that is operated by the pressure of an enclosed liquid is the ✔️C) hydraulic jack.
3. The type of jack that can only be used to raise loads under 25 tons is the ✔️B) ratchet jack.
4. The part of the ratchet-lever hoist that is used to let out the chain without using the ratchet handle is
the ✔️B) fast wind handle.
5. Chain hoists are designed for ✔️D) vertical lifts.
6. The lifting capacity of a block and tackle is higher if it has ✔️A) more parts of line.
7. The load capacity of a simple block and tackle is equal to the capacity of the ✔️C) load line.
8. A natural fiber or synthetic rope line used to control the swinging of the load in hoisting activities is a
✔️B) tag line.
9. A metal mesh sling should be discarded if abrasion has caused a ✔️C) 25 percent reduction of wire
diameter.
10. A wire rope sling should be discarded if wear exceeds ✔️C) one-third of the original rope diameter.
11. A chain should be removed from service if any portion is worn by more than ✔️A) 15 percent.
12. Chain slings should be destroyed after being annealed ✔️B) 6 times.