Rigging, Hoisting, Signaling

Question 1

The distance from the cup of a hoist’s top hook to the cup of the hoist hook when it is at its upper limit of travel.

Answer 1

Headroom

Question 2

A ___ is a socket that is compressed onto the end of a wire rope.

Answer 2

Swage Socket

Question 3

Choker hitches put extra stress on a sling at the point of the choke, which reduces the slings rated load.

Answer 3

True

Question 4

Multiple-leg chain slings are also known as ___ slings

Answer 4

bridle

Question 5

The strength of a shain and shain attachments depend on the steel alloys from which they are made.

Answer 5

True

Question 6

A ___ prevents the hoist from lifting a load that is over its rated capacity

Answer 6

Slip clutch

Question 7

The Web sling safety factor indicates the fraction of total tensile strength that may be used for lifting load

Answer 7

True

Question 8

___ Treatment can be used to develop the desired combination of strength and durability in a metal/

Answer 8

heat

Question 9

The rules for Hoisting personnel are different from the rules for hoisting loads.

Answer 9

True

Question 10

____ is the tension at which a material is expected to break.

Answer 10

Breaking Strength

Question 11

Because of their inherit design, synthetic ropes and slings will not rot, mold, or mildew

Answer 11

False

Question 12

Chain slings are fabricated in single-leg and multiple-leg configurations?

Answer 12

True

Question 13

A sling must be immediately removed from service if the warning yarns are visible?

Answer 13

True

Question 14

___ is the ratio of a components breaking strength to its rated load.

Answer 14

Safety Factor

Question 15

-In general, a crane inspection consists of a ___ inspection.

Answer 15

hoist, platform, positioning component. (All of the above)

Question 16

___ is the distance between a hoist hook’s upper and lower limits of travel.

Answer 16

Lift

Question 17

Using the ___ procedure involves considering the load as a group of smaller sections, each with its open weight and CG.

Answer 17

Section CG(Center of Gravity)

Question 18

What must be determined so that a load remains stable and level when lifted?

Answer 18

load’s center of gravity.

Question 19

Written inspection record are required for hardware

Answer 19

False

Question 20

To prevent its inadvertent use, damaged equipment must be properly ___ as suck until it can be destroyed or repaired.

Answer 20

Tagged

Question 21

-Nonstandard hand signals are permitted only if the standard hand signal set is not practical

Answer 21

True

Question 22

The Rated load of a web sling depends on the ___

Answer 22

Number of plies, webbing class, hitch type (All of the Above)

Question 23

The rated load is the ___ that a rigging component may be subjected to while maintaining an appropriate margin of safety.

Answer 23

Maximum tension.

Question 24

OSHA section 29 CFR 1910 and 29 CFR 1926 apply to general industry and construction respectively.

Answer 24

True

Question 25

The Typical safety factor for web slings is ___?

Answer 25

5

Question 26

___ Loads always tilt toward the center of gravity.

Answer 26

Unbalanced

Question 27

Knots in web slings should be untied only if they have not yet been pulled tight under load.

Answer 27

True

Question 28

A ___ is a category of knots that are used to tie the ends of two ropes together.

Answer 28

Bend

Question 29

Dirt is particularly likely to get into the weave of synthetic rope and slings and may cause damage.

Answer 29

True

Question 30

In a block-and-tackle assembly, the number of sheaves is assumed to equal the number of parts.

Answer 30

True

Question 31

A rope with a break in an entire strand must be removed immediately.

Answer 31

True

Question 32

If signs of damage are discovered that do not yet excess allowances, the equipment is ___ to remain in service

Answer 32

Permitted.

Question 33

___ are used between the load and the rigging components.

Answer 33

Softeners

Question 34

If a two-part reeve is used to lift a load 24 inches and the lead line must be pulled 48 inches this is a ratio of ___.

Answer 34

2:1

Question 35

___ is the maximum tension that a crane or hoist may be subjected to while maintaining the appropriate margin of safety.

Answer 35

Rated Capacity