WorksheetsM7 NCCER Intro to Basic Rigging
Total questions: 10
Worksheet time: 5mins
What is a type of hand-operated winching device that should NEVER be used for vertical overhead lifting?
block and tackle
come-along
chain hoist
ratchet lever hoist
What is true about synthetic slings?
cause the load to twist more than chain slings
flexible and mold themselves to the load
can be used in temperatures over 180 degrees F (82 degrees C)
easily corrode
What is the MAXIMUM temperature most alloy steel chain slings can be used?
180° F
300° F
400° F
500° F
If a wire rope sling appears to be damaged, who makes the decision to keep it in service?
competent person
district manager
crane operator
site supervisor
Two choker hitches are recommended when lifting a load longer than how many feet?
6'
8'
10'
12'
What are the rigging devices used to move loads such as steel plates without the use of slings?
synthetic shackles
lifting clamps
birdcages
rigging hooks
Why would an alloy steel chain be removed from service?
missing identification tag
the sides of the links are straight
rust-free surfaces
damage from cool temperatures
What do all chain hoists use to lift heavy loads?
gear system
sprocket set
hook retainer
anchorage slide
Which type of hitch consist of two or more vertical hitches attached to the same hook, and allows the slings to be connected to the same load without the use of a spreader beam?
basket
bridle
block and tackle
double-leg chain
What is the MAXIMUM load weight that a sling is designed to carry?
carry weight
top weight
load capacity
rated capacity
