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WorksheetsBasic Rigging
Total questions: 40
Worksheet time: 20mins
Name
Class
Date
1.
Because of its toughness, shackles for most overhead lifting are made from _____.
a)
cast steel
b)
forged steel
c)
drop iron
d)
tempered alloy
2.
The maximum load weight that a sling is designed to carry is the _____.
a)
top weight
b)
carry weight
c)
rated capacity
d)
load capacity
3.
Most alloy steel chain slings can be used in temperatures up to _____.
a)
200 degrees
b)
300 degrees
c)
400 degrees
d)
500 degrees
4.
Which style of eye bolts can be used for angular loading applications?
a)
Shouldered
b)
Non-shoudered
c)
Alloy
d)
Threaded
5.
If a wire rope sling appears to be damaged, the decision to keep it in service can only be made by a _____.
a)
supervisor
b)
manager
c)
qualified person
d)
competent person
6.
Which style of hook is designed to be used on alloy steel chain slings?
a)
Sliding hook
b)
Eye hook
c)
Grab hook
d)
Short hook
7.
In general industry, the most widely used type of shackle is the _____ design.
a)
screw pin
b)
round pin
c)
straight pin
d)
safety
8.
To lift heavy loads, all chain hoists use a(n) _____ system.
a)
sprocket
b)
anchorage
c)
gear
d)
hook
9.
To calculate the total sling stress applied during a lift, you need to know the total weight of the load and the_____.
a)
angle at which the slings will attach
b)
rate at which the load will be lifted
c)
wind speed and direction midpoint in the lift
d)
location of the tag line attachment
10.
Which type of hitch is ideal for lifting bundles of items, such as pipes?
a)
Two-leg bridle hitch
b)
Straight vertical hitch
c)
Double-wrap choker hitch
d)
Single-wrap basket hitch
11.
Wire rope slings must be inspected _____.
a)
before each use
b)
before every other use
c)
once a week
d)
once a month
12.
A qualified rigging inspector must inspect eye bolts once each _____.
a)
day
b)
week
c)
month
d)
year
13.
Which of the following consists of two or more vertical hitches attached to the same hook?
a)
Master link
b)
Bridle hitch
c)
Bull ring
d)
Tag line
14.
Hand signals are used to communicate _____.
a)
load navigation directions
b)
safe handling of loads
c)
load control techniques
d)
sling removal practices
15.
Sling stress is doubled at a horizontal sling angle of _____.
a)
20 degrees
b)
30 degrees
c)
45 degrees
d)
60 degrees
16.
Two double-wrap choker hitches are recommended when lifting a load longer than _____ feet.
a)
6
b)
8
c)
10
d)
10
17.
When a tattle-tail has been pulled into the jacket, the sling has been _____.
a)
chemically damaged
b)
overheated
c)
overloaded
d)
crushed
18.
A navigational signal of one or both arms extended, palms down, and retracted in rapid motion indicates_____.
a)
hoist up
b)
move slowly
c)
retract boom
d)
emergency stop
19.
The only personnel allowed on the landing zone are _____.
a)
load blockers
b)
load navigators
c)
tag line tenders
d)
tag cribbers
20.
Which of the following is not a type of sling?
a)
Alloy steel chain sling
b)
Synthetic sling
c)
Net sling
d)
Wire rope sling
21.
Synthetic slings are useful if you do not want to damage the load.
a)
true
b)
false
22.
Which of the following conditions would lead you to not use a synthetic sling?
a)
Abrasive particles imbedded in the sling
b)
A missing I.D. tag.
c)
A cut in the outer jacket.
d)
all the above
23.
Which of the following information would not be found on a steel chain sling?
a)
The letter A.
b)
The number 800
c)
The number 80
d)
The number 8000
24.
Chain bridle slings can be used with up to _____ legs.
a)
2
b)
3
c)
5
d)
4
25.
Wire rope slings are made of steel wires formed and wrapped around a _____.
a)
braided copper rope.
b)
small diameter chain
c)
supporting core
d)
solid metal core
26.
Which of the following is not a type of hitch?
a)
basket
b)
horizontal
c)
choker
d)
vertuical
27.
Load control when using a single vertical hitch can be achieved using a _____.
a)
second crane
b)
load line
c)
vertical stabilizer
d)
tag line
28.
A _____ hitch doubles the capacity of the sling.
a)
vertical
b)
choker
c)
basket
d)
horizontal
29.
Shackles are typically made of cast iron.
a)
true
b)
false
30.
An eye bolt's main characteristic is its _____.
a)
threaded shank
b)
large diameter
c)
cast metal construction
d)
asymmetrical eye
31.
Unshouldered eyebolts are designed for _____ pulls.
a)
vertical
b)
angular
c)
perpendicular
d)
all
32.
Angular pulls using shouldered eyebolts are generally limited to ___ degrees from the horizontal plane.
a)
60
b)
90
c)
45
d)
30
33.
Use a(n) ____ hook when using a steel chain sling.
a)
sorting
b)
pipe
c)
grab
d)
eye
34.
At what sling angle would you expect minimum sling stress?
a)
30 degrees
b)
90 degrees
c)
60 degrees
d)
45 degrees
35.
At what sling angle would you expect maximum sling stress?
a)
90 degrees
b)
45 degrees
c)
60 degrees
d)
30 degrees
36.
Chain hoists are always electrically powered.
a)
true
b)
false
37.
The simplest system used to lift loads is a(n) ____
a)
inclined plane
b)
pneumatic chain hoist
c)
block and tackle
d)
manual chain hoist
38.
It is acceptable to shorten a chain sling by bolting links together as long as Grade 5 or stronger nuts and bolts are used.
a)
true
b)
false
39.
The use of a(n) _____ will help prevent point-loading of a hook.
a)
eyebolt
b)
pad eye
c)
shackle
d)
sling softener
40.
Which of the following rigging operations is safe?
a)
Allow only tag line tenders and the blocking crew in the landing area
b)
Allow blocking handlers to place cribbing only when the load is above its desired location.
c)
Position blocking in the landing zone before placing the load.
d)
Use your arms to stabilize a load only if it is spinning slowly.
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