Rigging Quizzes 1-10

pulley

A Sheave, also known as a _____ is a grooved wheel attached to a frame or a block that supports a rope that is changing direction

V

A Type _____ web slinger also known as a grown man sling is it endless web swing made by joining the ends with a loadbearing splice

Periodic

A _____ inspection is a thorough rigging equipment inspection performed by at regular intervals

rated compacity

A crane is typically specified by its

four

A digger derrick typically includes blank outriggers to stabilize the truck while it's a load

DOE

A unique feature of the DOE standard is that requires that all lives be categorized as ordinary, critical, pre-engineered production, or personal before a Lyft is planned and executed

Trolleys

Are typically used to support leather or chain type wastes and Cara should be taken that none of the components used to have working load limits higher than the equipment above them

lift points

As a general rule, common lives involve loads with well-defined blank that can be safely who is still with one or two swings and either single crane or one or two manual hoists

bridle

Hitch is a sling hitch in which two or more slings share a common and lifting that is used as a lifting point

nip

Is a pressure point created with a rope crossed over itself after turn around and object

fall zone

Is an area where particularly or come pleat Lee suspended materials might land if they become loose from a load of the rigging of crane fails

Grips

Lemon use grips to help tension wire and cable during installation and while making repairs

45

Ragley robes are quickly identified by their wires crossing the axis of the rope at approximately

return eye

Sling is a sling that has multiple wits of webbing held edge to edge in which each eye forms of right angle to the plane of the sling body

Forged eye bolts

The common types for forged eyebolts army scenery in that

Weight

The most common critical factor in rigging and lifting a load is

Hoist

The most common hook design

Motor truck platform

The most common platform type for mobile cranes is a blank platform which is similar to a typical flatbed truck with a long bed

blocks

The most common types of _______ used an industrial hoisting application or a crane wire rope tackle gin and snatch

load triangle

The most precise Way to calculate the tension on a sling involves a

high carbon steel

The most widely used material for wire rope is________ which is available in a variety of grades each providing slightly different properties

mechanical advantage

The number of parts in a block and tackle the configuration determines the_____

lacing

The simplest reeving method

400

according to ASME B30.9 The normal temperature range for the use of chain is -40-___

back splice

also known as a crown finishes a rope and vibrating it's loose strands back on itself

85% to 95%

an actual practice most spices are not perfect but still achieve efficiencies in the rates of

industrial cranes

are generally classified based on the type of design of the supporting structural members and include gantry overhead and jip cranes

Rollers

are lengths of pipe or around steel stock that are placed under a load to provide a lower friction surface

turnbuckles

are typically used in complex rigging applications in which asymmetrical load requires swings of different links

Helicopter cranes

are used to lift loads in remote and in accessible areas where is not accessible do use other types of crans

Cranes

are used to offload large construction materials from delivery vehicles transport materials around a job site for a fabrication or a processing insert finished components in place

Round slings

art particularly useful as choker hitches but the configuration of this hitch has a significant affect on the strength of the sling

Jib

crane is it industrial crane composed of a Waze trolley that travels along a horizontal them which is supported by a single structural leg

mobile

cranes can be brought to a job site temporary early for a relatively small number of lives

one third

for symmetrical rigging arrangements of four or more points each point is considered to be supporting_____ of the load weight

weight

ground conditions should be evaluated to determine whether the ground can support the blank of the hoisting equipment and load

Standards

have no authority unless they are adopted by a federal state or local government as regulations

choker

hitches are commonly used to attach slings to bundles of long material such as beams tubing and lumber

16 die

in the United States on average workers die as a result of workplace accidents

outrigger

increases the effective footprint of a crane which makes tipping less likely

Lift

is One complete set of hoisting actions performed by workers who transport a load from a working point to a destination.

Wire rope

is a block used with powered wastes when sever conditions of service are not expected

Trucker hitch

is a compound knot that as a distinct feature of providing mechanical advantage when tightening

lift planning

is a critical part of a comprehensive rigging and hoisting safety program

Thimble

is a curved piece of metal that supports the loop of rope and protects it from sharp bends and abrasion

Sling

is a flexible length of loadbearing material that is used to rake a load

Equalizer beam

is a load level alert that is used to stabilize load by distributing the load equally between two sling legs

lashing

is a method of bending to objects to each other by wrapping rope around them numerous times

lattice boom crane

is a mobile crane with the boom constructed from one or more sections of thin steel grid work

air caster

is a pneumatic Device that is placed under load to allow horizontal movement of the load

regulation

is a rule made mandatory by a federal state or local government

birdcaging

is a type of damage to wire rope in which the outer strands separate and open

Forklift

is a vehicle with hydraulically operated forks used to lift and transport loads

selvedge

is an edge treatment on woven material that helps prevent unraveling

cribbing

is blocking used to temporarily support a load while at rest

kinking

is caused by tightening of a loop that is restrained from and twisting

Shackle

is commonly used to make the connection between the rigging assembly in the hoisting hook though it can also be used for other purposes

working load limit

is determined by dividing the braking strength of a piece of rigging equipment by the safety factor

Link

is it plain rigid loop attached to the end of a sling or hung on a crane hook that helps connect multiple rigging components together

Machinery lift

is it two wheel dolly with swivel casters and a hydraulic lift which is placed at the edge of a load

chain

is recommended for rugged industrial applications in which flexibility abrasion resistance and long life are required

loop eye

is the length of webbing folded back and spliced to the swing body forming a closed loop

Bending efficiency

is the ratio of the length of a bent route to it nominal strength rating

Drift

is the tendency of a load to continue moving after the crane is stopped

weaving

is the threading of a group through an opening or around sheave

Hoisting

is the transportation of a load by a crane or hoist

plaiting

is the weaving of four pairs of alternating twisted strands into a rope

seizing

is the wire wrapping that spins the end of the wire rope near where is cut

whipping

is the wrapping of twine that binds the end of the fiber rope near where is cut

pry bar

it's a Ford steel bar with an angle and flattened and there's pushed under the edge of a load in order to lift the load slightly

two or more

most basket hitch rigging requires two or more baskets

square

not is not very secure and should never be used to fasten two different routes together or for any critical application

FACE

program involves on-site investigations that are conducted to collect facts and witness observations from accidents

Synthetic

ropes are nearly universal in the lifting industry because of their constant characteristics in special properties such as chemical resistance

ropes

should be stored on walls or rolled into coils

eye-and-eye

sling is a sling in which loops are formed at each end of the sling body by doubling over the material and securing it by weaving or using a compression fitting

synthetic

slings should never be used for wasting personal baskets

Spelter

socket is a socket that uses Morton zinc or reason to replace your the end of the wire room inside the socket

5

some amount of deformation is acceptable but change should be removed from service if the enlongation exceeds

200

synthetic slings should not be exposed to temperatures below -40 and above

proof test

test is a non-destructive test in which a sling is subjected to attention force greater than its rated load but less than it's breaking strength

90

when inspecting a chain the links should be able to freely rotate from side to side approximately______ without the links bending

Center of gravity

when rigging keeping allowed under control requires determining the loads _____

rated load

when selecting slings for a particular rigging application the primary consideration is there

180

wire rope with the fiber core is typically rated for temperatures of two