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TESTBANK FOR ADVANCED RIGGING TEST
QUESTIONS WITH COMPLETE VERIFIED
SOLUTIONS 2024
- What is meant by the term "two blocking Correct Answer: The load block contacts the boom point sheaves.
- lifting 20,000lbs, with a 2-leg bridle sling at a 30 horizontal sling angle, what is force applied to each leg? Correct Answer: 20,
- In multiple crane lifts using an equalizer beam, the weight of the beam should be considered: Correct Answer: Part of the load weight
- What is required if there is a deviation in the lift plan? Correct Answer: A new lift plan
- On level ground using skids and rollers, what percent of the weight of the load should yield the required line pull as a general rule of thumb? Correct Answer: 5%
- All of the following are results of unbalanced reeving of the hook block EXCEPT: Correct Answer: Wear on the hook
- Before a spreader bar or beams can be used they MUST have been: Correct Answer: Tested and approved
- When materials are being hoisted to an upper level, a tag line is used to: Correct Answer: Help control the load
- Two cranes are lifting 100 tons. If crane A has 40 % of the load , how much weight will crane B have on its hook? Correct Answer: 120,000 Ibs.
- To confirm the rated capacity of a specific sling, consult the manufacturer's: Correct Answer: Sling tag
- OSHA regulations require hook replacement if the opening exceeds what percentage of its original throat opening? Correct Answer: 15%
- At what percentage of increase in length should a chain sling be removed from service? Correct Answer: 5%
- All of the following are reasons for stopping personnel lifting operations EXCEPT Correct Answer: There are no tag lines
- The point of any object's weight can be assumed to be concentrated at: Correct Answer: Center of gravity
- In a spur-gear chain hoist with a two chain system, the endless chain is used to Correct Answer: Raise and lower the load
- In an emergency situation, what is the rigger's FIRST priority? Correct Answer: To prevent injury or loss of life
- All of the following conditions exert dynamic loading on a crane EXCEPT: Correct Answer: Static boom angle
- Proper lead sheave placement as it relates to the hoisting drum location is: Correct Answer: Proper spooling of wire rope
- The most important information to consider when planning a lift is: Correct Answer: weight of the load
- Prior to use, all new, altered, modified, or repaired rigging hardware shall be inspected by whom? Correct Answer: designated person
- An unsafe condition that riggers should be aware of when dealing with a multi part load block is: Correct Answer: Twisting multi part lines
- The only personnel allowed to have their body parts outside of the suspended personnel platform during hoisting and lowering operations are: Correct Answer: Signal persons
- What is the most important reason rigging hardware should NOT be modified? Correct Answer: It could negatively affect its capacity
- In the term (D/d ratio) the d is an abbreviation for: Correct Answer: Diameter
- A document that outlines weights, crane configuration and rigging requirements for a lift is called a: Correct Answer: Lift plan
- A lift plan MUST be completed by a: Correct Answer: Supervisor
- Anchorage points for fall arrest harness for a single person MUST be able to hold: Correct Answer: 5000 lbs.
- Which of the following items are used for heavy rigging? Correct Answer: Slings, shackles, and spreader beam
- If the jacket of a synthetic round sling is damaged, that sling should be: Correct Answer: Removed from service immediately
- Which of the following is NOT a factor when making submerged lifts? Correct Answer: Water temperature
- When a tugger is mounted where the operator can NOT see the load, the signal person most uses Correct Answer: Signals used for cranes
- Who can design a personnel platform? Correct Answer: A qualified personnel
- A one-inch, 3-leg bridle wire rope sling, rigged at a 45 degree angle, is good for 18 tons. The addition of a fourth leg will increase your capacity by: Correct Answer: 0 lbs
- After any structural repair or modification, a personnel lifting platform shall be tested to what percent of the platform rating? Correct Answer: 150%
- All of the following statements about crane contact with power lines are TRUE EXCEPT: Correct Answer: The operator should leave the cab as quickly as possible
- Loads introduced into the machine or its components due to accelerating or decelerating force is called: Correct Answer: Dynamic loading
- Using the sling chart provided, what is the rated capacity of 1/2 wire rope at a choke hitch Correct Answer: 3,800 lbs
60)The formula for determining stress on a snatch block performing a vertical lift is: line pull block factor block load. What must be done to calculate the formula? Correct Answer: Multiply the load weight by the coefficient of friction to determine pull, and then the standard formula
- If both fists are placed in front of your body with your thumbs pointed outward, the crane operator should: Correct Answer: Extend the boom sections
- what is the MAXIMUM percent of the rated capacity of a crane that can be used to litft personnel? Correct Answer: 50%
- When does lightening present the greatest hazard to the crane and rigging personnel? Correct Answer: When thunder and lightning are apparent
- Personnel platforms shall NOT be used to lift: Correct Answer: Tools and materials without employees
- When working in close quarters, the main concern is: Correct Answer: Safety
- Most cranes in duty cycle operation require a: Correct Answer: Load test Advanced Rigging Final Examination| Questions With Verified Answers 2024 How often should a synthetic web sling be inspected? Correct Answer: Each day before use What will the tension be on one leg of a single vertical hitch lifting a load of 5 tons? Correct Answer: 5 tons Using the Rigging Hardware Tables in your book, what is the capacity of a 7/8 in. carbon shackle? Correct Answer: 13,000 lbs What is the most important piece of information to have before beginning to rig a load? Correct Answer: Weight of the load
What is the approximate weight of a cubic foot of concrete? Correct Answer: 150 lbs Which types of hitches are labeled on a synthetic sling? Correct Answer: Vertical Hitch, Choker Hitch, Basket Hitch What must be done if a sling is found to have a missing or illegible capacity tag? Correct Answer: Remove the sling from service What is the formula that is used to calculate the volume of a box? Correct Answer: Length x Width x Height 4 Reasons to remove a synthetic web sling? Correct Answer: UV damage, heat damage, ripped/torn, cant read tag One leg of a 4 leg alloy steel chain sling is longer than the other three; this is probably an indication of what type of damage? Correct Answer: The leg has been overloaded
Who should rig a sling assembly to a load? Correct Answer: A trained and qualified rigger What types of hitch/s provide maximum contact (360 degrees) between the sling and load? Correct Answer: Two double wrapped basket hitches According to OSHA 1910.184, synthetic or polypropylene slings shall not be used at temperatures in excess of how many degrees? Correct Answer: 180-200 degrees According to OSHA 1910.184, what type of sling requires that the inspection be documented? Correct Answer: Alloy chain slings What is the term that describes the distance that it takes one strand to wrap 360 degrees around the wire rope core? Correct Answer: One rope lay A 4,000 lb. load is being hoisted with a two-leg bridle sling at a horizontal sling angle of 30 degrees. What is the tension on each leg? Correct Answer: 4,000 lbs
What should you do if the safety latch on a hook swings freely through the throat opening and past the hook point? Correct Answer: Replace the hook The __________ is used for a direct lift with a lift angle of 90-degrees? Correct Answer: Single vertical hitch The __________ sling produces a 360 degrees contact with the load and tightens as the lift takes place. Correct Answer: Double wrap choker hitch Which of the following is a characteristic of synthetic web slings? Correct Answer: They are affected by heat and chemicals When is a tag line required? Correct Answer: When the rotation of the load is hazardous Three inspection checks when inspecting a load hook? Correct Answer: Safety clip, correct markings, What is the purpose of a spreader bar? Correct Answer: To handle odd shaped loads, to handle long loads, to keep slings away from the load
What is the maximum capacity of a screw pin shackle? Correct Answer: Maximum rated working load limit of a shackle What is the minimum acceptable (lowest) horizontal sling angle for use with slings? Correct Answer: 30 degrees When using a shackle as a part of a choker hitch where should the pin of the shackle be placed? Correct Answer: In the eye of the sling What is the OSHA regulation for the inspection of slings used in the general industry? Correct Answer: 1910. What is the order of hitches from weakest to strongest? Correct Answer: Choker, Vertical, Basket How much of the slings capacity is lost when you go from a vertical to a choker hitch? Correct Answer: 25%
Where must the direction of pull be, when using beam clamps? Correct Answer: In line with the web of beam When is secondary restraint required when using rollers or trollies? Correct Answer: Never Which way should the handle of an unloaded lever binder face? Correct Answer: Up How do you release a lever binder? Correct Answer: Using a pry bar How do you seat the wedge in a wedge socket? Correct Answer: Under a load What goes in the hole of a sister hook? Correct Answer: The pin of a shackle What do you look for when inspecting a mechanical jack? Correct Answer: Wear to the ratchet teeth
When does a basket hitch have its full capacity? Correct Answer: Wear to the ratchet teeth What must you do to work under a suspended load? Correct Answer: Have the load support with blocking What is the direction of pull when using shouldered eye bolts? Correct Answer: Within the plane of the eye bolt What information must be on the tag of an 80 lbs spreader beam? Correct Answer: Manufacturer name and address What markings are on a swivel hoist ring? Correct Answer: Manufacturer, capacity, and torque Which of the following defects discovered during an inspection would require the removal of a wire rope sling from service? Correct Answer: 10 broken wires in one rope lay
