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Intermediate Rigging Exam | Questions and Verified Answers | Latest 2025/ 2026 Update | 100% Correct | GRADED A
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What is the distance from an uncompacted soil
1.5 ×depth
What is the distance from compacted soil
1×depth
How far past tracks must mats be
Name 2 methods for cribbing
How level must cranes be
1% or .57°
What is the formula for leverage
Weight × distance = weight × distance
How far must you type off the crane
2' from the counter weights
What is the wind speed that stops hoisting operations
What is the best tag line to use for work near powerlines
Polypropylene
What does it mean when you have localized narrowing of outside diameter of wire rope
Broken core
What is RRL
Right regular lay
What is EIPS
Extra improved plow steel
What is IWRC
Independent wire rope core
What percentage of diameter can wire rope not go below
Gross capacity is the same as
Allowable line pull
Gross capacity- deductions equals
Net capacity
What is the capacity for crane on outriggers, tire, track
Outriggers= 85% Tires=75% Tracks=75%
How many broken wires are required to make a standard running rope unusable
3 per strand per lay, 6 random per lay
How many broken wires are required to make a rotation resistant running rope unusable
2 per strand per 6 rope diameters, 4 per strand per 30 rope diameters
How many broken wires are required to make a standing rope at end fittings unusable
How many broken wires are required to make a standing rope at mid area unusable
How many broken wires are required to make a wire rope sling unusable
5 per strand per lay, 10 random per lay
What is the sling stress for 90°
What is the sling stress for 60°
What is the sling stress for 45°
What is the sling stress for 30°
What is the safety factor for standard wire rope
How must eye bolts be placed on a load
Parallel
What is the minimum depth an eye bolt must be
1.5×diameter of bolt
You must reject a bean clamp if
15% of normal opening eye bent worn eye capacity unreadable
Reject plate clamps if
Changes in opening or teeth Cracks Loose or damaged rivets Lift eye damaged Excessive rust Capacity unreadable
Reject chains if
15% wear 5% stretch
What do you drop the cranes capacity to for tandem lift
What is a sheet bend used for
What is SLL
Safe load limit
What is WLL
Working load limit
Sling tension
Weight÷ #of slings×load angle factor
What is the design factor for Shackles over 150
What do swivel rings need
Torque value
How do you find the load factor and weight distribution
Sling tension= Sling length (L)÷ sling height (H)× share of load weight L÷H× share of load weight
How to find start of loads from known runs
How to figure center of gravity from known weights
5 times the load
Gross capacity
Capacity in the load chart
Net capacity
Gross minus deductions
