Rigging Knots Slings and Hooks for Operators
65 flashcards covering Rigging Knots Slings and Hooks for Operators for the OSHA Equipment Operator section.
Rigging knots, slings, and hooks are essential skills for equipment operators in construction and general industry, focusing on safely securing loads to prevent accidents and equipment failure. This topic is defined by OSHA standards in the Outreach Training Program for Construction (29 CFR 1926) and General Industry (29 CFR 1910), which outline proper techniques for tying knots, selecting slings, and using hooks based on load weights, angles, and environmental factors.
On OSHA certification exams, this material often appears in multiple-choice or scenario-based questions that test knowledge of knot types, sling inspections, and hook attachments, with traps like overlooking capacity ratings or confusing similar knot uses. Questions may include diagrams requiring identification of errors, such as improper sling angles that increase stress.
A common oversight: Always double-check that hooks are latched securely before lifting to avoid slips.
Terms (65)
- 01
Under 29 CFR 1926.251, what must be done with a sling that has a cut or tear?
The sling must be removed from service immediately. 29 CFR 1926.251(a)(4).
- 02
How often should wire rope slings be inspected according to OSHA standards?
Before each use and as necessary during use to ensure they are safe. 29 CFR 1926.251(c)(1).
- 03
What is required when using slings near sharp edges under OSHA regulations?
Protective padding must be used to prevent damage to the sling. 29 CFR 1926.251(c)(9).
- 04
Under 29 CFR 1926.251, what is the proper way to store slings?
Slings must be stored in a clean, dry area away from corrosive or damaging elements. 29 CFR 1926.251(a)(6).
- 05
What must operators do if a hook is found to be cracked?
The hook must be removed from service until repaired or replaced by a qualified person. 29 CFR 1926.1413(d).
- 06
According to OSHA, how should alloy steel chain slings be inspected?
Visually inspected before each use and thoroughly inspected at least once a year. 29 CFR 1926.251(b)(1).
- 07
Under 29 CFR 1926.251, what is a key requirement for using natural rope slings?
They must not be used with loads exceeding the rated capacity. 29 CFR 1926.251(e)(1).
- 08
What action is needed if a sling's identification tag is missing?
The sling must be removed from service until the tag is replaced or verified. 29 CFR 1926.251(a)(2).
- 09
How must operators handle slings that have been exposed to acid or caustic substances?
They must be removed from service and not used until inspected and approved. 29 CFR 1926.251(a)(5).
- 10
Under OSHA standards, what is required for the safe use of metal mesh slings?
They must be used only within their rated capacities and inspected for damage. 29 CFR 1926.251(d)(1).
- 11
What is the operator's responsibility regarding hook latches?
Hooks must have a latch or safety device to prevent accidental disengagement. 29 CFR 1926.1414(b).
- 12
According to 29 CFR 1926.251, when should synthetic web slings be removed from service?
If they show acid or caustic burns, melting, or other damage. 29 CFR 1926.251(f)(5).
- 13
What must be done before attaching a load to a hook?
The hook must be inspected to ensure it is not deformed or damaged. 29 CFR 1926.1413(a).
- 14
Under 29 CFR 1926.251, what is a requirement for rigging with slings?
Slings must be securely attached to prevent slipping during the lift. 29 CFR 1926.251(a)(3).
- 15
How should operators respond if a wire rope sling shows broken wires?
The sling must be removed from service if it has more than a specified number of broken wires, as per inspection criteria. 29 CFR 1926.251(c)(2).
- 16
What is required for the use of slings in construction as per OSHA?
They must be used in accordance with the manufacturer's instructions. 29 CFR 1926.251(a)(1).
- 17
Under 29 CFR 1926.1413, what condition requires a hook to be taken out of service?
If it has a throat opening that is more than 15% in excess of normal, it must be removed. 29 CFR 1926.1413(d)(2).
- 18
What must operators ensure when using multiple slings for a lift?
The slings must be of equal length and properly balanced to share the load evenly. 29 CFR 1926.251(a)(7).
- 19
According to OSHA, how should chain slings be maintained?
They must be cleaned and kept lubricated to prevent rust and wear. 29 CFR 1926.251(b)(5).
- 20
What is the first step when preparing to use a rigging hook?
Inspect the hook for any visible damage or wear. 29 CFR 1926.1413(a).
- 21
Under 29 CFR 1926.251, what must be done with damaged synthetic slings?
They must be immediately removed from service. 29 CFR 1926.251(f)(2).
- 22
How often must rigging equipment be checked for defects?
Before each shift or use, as applicable. 29 CFR 1926.251 introductory text.
- 23
What should an operator do if a sling is exposed to extreme temperatures?
Remove it from service and consult the manufacturer for suitability. 29 CFR 1926.251(f)(6).
- 24
Under OSHA regulations, what is needed for safe hook operation?
Hooks must be designed to prevent unintentional disengagement of the load. 29 CFR 1926.1414(a).
- 25
What action is required if a chain sling is stretched?
It must be removed from service. 29 CFR 1926.251(b)(2).
- 26
According to 29 CFR 1926.251, how must slings be rigged for angled loads?
The rated capacity must be adjusted based on the angle of use. 29 CFR 1926.251(a)(8).
- 27
What must operators verify before lifting with slings?
That the slings have legible identification tags showing capacity. 29 CFR 1926.251(a)(2).
- 28
Under 29 CFR 1926.1413, what inspection is needed for hooks on cranes?
Daily visual inspections for deformation or damage. 29 CFR 1926.1413(a).
- 29
How should operators handle slings that contact protrusions?
Use padding or protective devices to prevent cutting or snagging. 29 CFR 1926.251(c)(9).
- 30
What is required when a hook shows wear on the saddle?
The hook must be removed from service. 29 CFR 1926.1413(d)(1).
- 31
Under OSHA standards, what must be done with wet or contaminated slings?
They must be dried and cleaned before storage. 29 CFR 1926.251(a)(6).
- 32
What procedure follows finding a twisted eye on a sling?
The sling must be removed from service. 29 CFR 1926.251(c)(3).
- 33
According to 29 CFR 1926.251, how are slings to be used with loads?
They must be applied so the load is evenly distributed. 29 CFR 1926.251(a)(3).
- 34
What must an operator check on a hook before use?
That it is not cracked or has excessive wear. 29 CFR 1926.1413(d).
- 35
Under 29 CFR 1926.251, what is the rule for overloaded slings?
Slings must never be loaded beyond their rated capacity. 29 CFR 1926.251(a)(1).
- 36
How should operators respond to a deformed hook?
Immediately remove it from service. 29 CFR 1926.1413(d).
- 37
What is required for the inspection of synthetic rope slings?
Check for melting, charring, or broken fibers. 29 CFR 1926.251(e)(2).
- 38
Under OSHA, what must be ensured for sling attachments?
They must be secure and prevent the load from slipping. 29 CFR 1926.251(a)(4).
- 39
What action is needed if a wire rope sling kinks?
The sling must be removed from service. 29 CFR 1926.251(c)(4).
- 40
According to 29 CFR 1926.251, how must chain slings be used?
Only for vertical lifts unless designed otherwise. 29 CFR 1926.251(b)(6).
- 41
What must operators do before rigging a load with hooks?
Ensure hooks are properly sized and rated. 29 CFR 1926.1414(a).
- 42
Under 29 CFR 1926.251, what condition leads to removing metal mesh slings?
If there is a broken weld or distortion. 29 CFR 1926.251(d)(2).
- 43
How often should hooks be inspected on mobile cranes?
Prior to each shift. 29 CFR 1926.1412(d).
- 44
What is the operator's duty regarding sling angles?
Adjust for reduced capacity when angles are less than 90 degrees. 29 CFR 1926.251(a)(8).
- 45
Under OSHA, what must be done with slings after use?
They must be properly stored to prevent damage. 29 CFR 1926.251(a)(6).
- 46
What response is needed if a hook latch is missing?
The hook must not be used until repaired. 29 CFR 1926.1414(b).
- 47
According to 29 CFR 1926.251, how are natural fiber slings to be protected?
From being dragged on the ground or exposed to chemicals. 29 CFR 1926.251(e)(3).
- 48
What must be verified for safe rigging operations?
That all equipment is within its rated capacity. 29 CFR 1926.251(a)(1).
- 49
Under 29 CFR 1926.1413, what inspection includes hooks?
A thorough annual inspection by a qualified person. 29 CFR 1926.1413(b).
- 50
How should operators handle a sling with excessive wear?
Remove it from service immediately. 29 CFR 1926.251 general requirements.
- 51
What is required when using slings in rainy conditions?
Ensure they are dried before storage to prevent deterioration. 29 CFR 1926.251(a)(6).
- 52
Under OSHA standards, what must be on a sling for identification?
A tag or marking showing the rated capacity. 29 CFR 1926.251(a)(2).
- 53
What procedure involves checking hook points?
Inspect for wear or damage before each use. 29 CFR 1926.1413(a).
- 54
According to 29 CFR 1926.251, how must slings be rigged for safety?
To avoid sharp bends or kinks. 29 CFR 1926.251(c)(4).
- 55
What action follows if a chain sling link is bent?
The sling must be removed from service. 29 CFR 1926.251(b)(2).
- 56
Under 29 CFR 1926.251, what is needed for sling use in construction?
Compliance with safe operating practices. 29 CFR 1926.251 introductory text.
- 57
How must operators ensure hook safety during lifts?
By checking for proper engagement and no twisting. 29 CFR 1926.1414(a).
- 58
What is the requirement for inspecting wire rope slings?
Look for corrosion, distortion, or broken strands. 29 CFR 1926.251(c)(2).
- 59
Under OSHA, what must be done with damaged rigging gear?
It must be tagged and removed from service. 29 CFR 1926.251(a)(4).
- 60
What response is appropriate for a worn hook throat?
Remove the hook from service. 29 CFR 1926.1413(d).
- 61
According to 29 CFR 1926.251, how should slings be used with loads?
In a way that prevents the load from contacting the sling's fittings directly if hazardous. 29 CFR 1926.251(a)(9).
- 62
What must operators check on slings before each job?
For any visible defects or damage. 29 CFR 1926.251(b)(1).
- 63
Under 29 CFR 1926.1413, what includes hook maintenance?
Regular inspections and repairs as needed. 29 CFR 1926.1413(e).
- 64
How should operators store rigging equipment?
In a manner that protects it from environmental damage. 29 CFR 1926.251(a)(6).
- 65
What is required if a sling shows signs of heat damage?
It must be removed from service. 29 CFR 1926.251(f)(6).