click below
click below
Normal Size Small Size show me how
slings quesitions
slings
| Question | Answer |
|---|---|
| What are the three basic designs of wire rope slings | flat braid,cable laid ,round laid |
| a single part wire rope sling is the most common type of sling used in rigging operations | true |
| Mechanical splices form a stronger splice than hand tucked splices in both IWRC and FC wire rope | true |
| because they have a lower D/d ratio hand tucked splices can bend around smaller objects with out being damaged | true |
| What formula does the manufacturer use to determine working load limit of a wire rope sling | BS / 5 = WLL |
| what is a thimble | galvanized or stainless steel fitting placed inside the eye of wire rope sling |
| Because of their construction braided wire rope slings are heavy and inflexible | true |
| The WLL may be exceeded when using synthetic slings | true |
| the minimum D/d ratio for a standard cable laid sling is 10 | true |
| All mutlipart slings consists of many small wires that are more susceptible to wear and breakage then the wires in a single part sling | true |
| because it has more ......a standard cable laid sling is very flexible | wire ropes |
| the D/d ratio for a braided sling is approximately 20 times the component wire rope diameter | true |
| A seven strand hand tucked wire rope sling made from one continuous length of wire rope is known as a ... | grommet |
| the minimum circumference of a grommet is....times the body diameter | 96 |
| which of the following materials are most commonly used to manufacture a synthetic web sling | Nylon polyester |
| Synthetic web slings twist during hoisting operations | false |
| Why are leather protective strips that exceed 6' in length not acceptable form use on synthetic web slings | leather doesn't stretch after 6' and will break |
| what does it mean if one or both tattle tails are retracted into the sling cover | Over load |
| synthetic web slings are not as flexible as wire rope slings | false |
| why are synthetic slings able to absorb heavy shock loads | because they stretch |