NCCCO Rigger Level I

Under OSHA 1926.1401, who qualifies as a qualified rigger for assembly and disassembly or basic lifts?

• AAny worker assigned to the crew that day
• BA person qualified for the specific rigging task
• COnly a person who holds a state journeyman license
• DOnly a person who has worked five years on cranes

Which standard primarily governs slings used in rigging work?

• AASME B30.5
• BASME B30.9
• CASME B30.20
• DASME B30.26

A sling is rated 4,000 lb vertically, and its manufacturer lists twice that capacity for a balanced basket with vertical, parallel legs. What is that basket rating?

• A2,000 lb
• B4,000 lb
• C6,000 lb
• D8,000 lb

How should a rigger determine a sling's rated capacity in a choker hitch?

• AUse the choker capacity on its tag or manufacturer chart
• BAssume one fixed reduction for every sling
• CTreat choker and straight-hitch ratings as equal
• DUse twice the straight-hitch capacity

What is the minimum recommended sling angle from horizontal during a two-leg lift?

• A15 degrees
• B30 degrees
• C60 degrees
• D90 degrees

At a sling angle of 30 degrees from horizontal, what is the approximate sling angle factor (load multiplier per leg)?

• A1.0
• B1.155
• C1.414
• D2.0

When installing U-bolt wire rope clips on a wire rope eye termination, which is correct?

• APlace all saddles on the dead end of the rope
• BPlace every saddle on the live end of the rope
• CAlternate the saddles between live and dead ends
• DIt does not matter which side the saddle is on

Under OSHA Table H-2, what is the minimum number of drop-forged U-bolt clips for 1/2-inch improved plow steel wire rope?

• A2
• B3
• C4
• D5

Which inspection condition requires immediate removal of a synthetic web sling from service?

• ASlight surface fuzzing from normal use
• BCuts, holes, or load-bearing-web tears
• CA sling tag that is dusty but readable
• DLight dirt from a clean job site

Which sling tag information is required before the sling can be used?

• AOnly the manufacturer name
• BOnly the date of purchase
• CManufacturer, sling ID, and applicable hitch ratings
• DOnly the rated capacity for vertical use

A purple synthetic round sling typically has what vertical rated capacity?

• A1,000 lb
• B2,600 lb
• C5,300 lb
• D8,400 lb

A round sling's cover color appears to conflict with its identification tag. Which source controls its capacity?

• AThe cover color by itself
• BThe legible manufacturer identification and rating
• CThe capacity of a nearby sling
• DA visual estimate of sling thickness

Which listed alloy chain grade is suitable for an overhead lifting chain sling?

• AGrade 30
• BGrade 43
• CGrade 70
• DGrade 80

Which condition requires removal of a chain sling from service?

• ALight surface rust that wipes off
• BCracks, distortion, gouges, or excessive wear
• CA chain that has been used once that week
• DA chain tag showing the manufacturer name

What does Working Load Limit (WLL) represent for rigging hardware?

• AThe maximum tension the hardware will ever see in a shock load
• BThe maximum permitted load in normal service
• CThe breaking strength of the hardware
• DThe pressure rating used in hydraulic systems

What does a 5:1 design factor mean when it is specified for a rigging component?

• ARated load is twice the ultimate strength
• BRated load and ultimate strength are equal
• CUltimate strength is five times the rated load
• DThe WLL may be exceeded fivefold in routine use

When a shackle is used to connect two sling legs to a hook, the sling legs should be placed on which part of the shackle?

• AOn the screw pin
• BAround the shackle bow
• CTied to the pin head only
• DOn either side, it does not matter

Which shackle condition requires removal from service?

• AManufacturer marking visible on the bow
• BA screw pin that turns freely by hand
• CA bent, elongated, or excessively worn pin or bow
• DLight surface oxidation that wipes off

What is the maximum allowable side load angle on a shouldered eye bolt before its rated capacity must be reduced?

• AAny angular load requires manufacturer derating data
• BAny side load up to 90 degrees is acceptable at full rating
• CSide loads less than 45 degrees do not reduce capacity
• DSide loads are always acceptable if a shackle is used