UA/EPRI Industrial Rigging Certification Practice Test

These questions are part of the practice quiz. Start practicing

• What is a key consideration when lifting a load near electrical lines?
• Which term is formed by simply bending the rope and keeping the sides parallel?
• What is the role of a rigging supervisor during a lift?
• What is the primary advantage of using a triangular lifting pattern?
• What is the average tensile strength of Improved Plow Steel (IPS) in pounds per square inch?
• When a chain sling is hooked back on itself to form a choker, how much is the rating reduced by?
• How does a snatch block function in rigging?
• What material is most widely used for slings and is considered desirable?
• How often should rigging equipment be inspected for safety?
• What type of lifting equipment is used for elevating heavy loads?
• What materials are slings commonly made of?
• Why is load orientation significant during lifting?
• What does "natural finish" refer to in wire rope?
• What formula is used to calculate the weight of a steel plate?
• What is generally the first step before lifting any load?
• What type of rope is manufactured in "film" form rather than extruded filaments?
• What is an acceptable application for choker hooks?
• What is a calibrated scale used for in the context of rigging?
• To keep the end of a rope securely from running out of a pulley, which knot would you use?
• At what percentage increase in the hook opening should a fitting be discarded?
• What is a critical step in the pre-lift checklist?
• Which of the following are the three main types of rigging equipment?
• What should be done to the eyes of a fiber rope if the thimbles are loose during an inspection?
• Which of the following is a common tool used in rigging?
• What role does communication play in rigging operations?
• What does the term "blocking" refer to in rigging?
• What does "load sharing" imply in rigging?
• What color is a rope that should ideally be light with a silvery or pearl luster?
• What is a crucial factor in helicopter rigging safety?
• When is it necessary to set ground chocks on truck and crawler cranes?
• What effect does high friction have during a lift?
• In rigging, what defines "the center of gravity"?
• How many types of chain hoists are used for lifting purposes?
• What type of knot is used for tying together two dry ropes of the same size?
• What is one safety practice to follow when hoisting loads with helicopters?
• What is the key advantage of using eye splices in slings?
• What is a rigging plan?
• Why is it important to follow an emergency action plan?
• What is the maximum allowable wear on any individual wire in relation to the original wire diameter?
• Why is it important to have a rigging plan?
• Which knot is suitable for tying off a loop around an object?
• What is the main reason to implement safety practices during crane operations?
• What is a rigging inspection checklist used for?
• What type of knot is the best choice to prevent the end of a rope from running out of a tackle or pulley?
• Who is authorized to de-energize, insulate, or handle power lines?
• What is the minimum diameter of a wire rope loop in relation to the rope diameter?
• Which component is crucial in preventing accidents when using shackles and slings together?
• What can result from exceeding the Working Load Limit (WLL)?
• How many strands are commonly wound around a core in wire rope?
• What effect does a choker hitch have on the lifting capacity of a sling?
• How many signaling systems are required for all helicopter hoisting operations?
• What is a "spreader bar" used for in rigging?
• Which type of chain hoist is considered the most efficient of all chain hoists?
• What signal should be given if any damage is noticed during helicopter hoisting operations?
• What is the purpose of a "tag line" in rigging operations?
• What classification of rope usually has seven wires per strand?
• Why is load calculation important in rigging?
• What type of strand has the same number of outer and inner wires?
• Which is NOT a characteristic of thimbles used in wire ropes?
• What type of hitch reduces the lifting capacity of a sling by limiting its components' ability to adjust under strain?
• If the angle of tilt of a load is more than ___ degrees, what should be done?
• What term describes the distortion that crushes rope fibers, leading to fatigue and rapid wear?
• A device sometimes referred to as a come-along or a lugall is known as what?
• Which type of knot is best for securing a load without the risk of slipping?
• Shackles are sized based on which measurement?
• What is the minimum clearance around power lines when operating a crane?
• Why is it necessary to know the environment where rigging will occur?
• A knot has only ___ percent of the strength of the rope.
• What does the Working Load Limit (WLL) signify?
• What is one hazard commonly associated with rigging operations?
• How many wraps of seizing wire are recommended for securing wire rope?
• What should all persons involved in a hoisting operation be warned to do?
• What common use does a half hitch serve in rigging?
• What is a "chain fall" used for?
• When jacking metal against metal, what is recommended to use?
• What describes a choker hitch in rigging?
• What is considered the most important step in any rigging operation?
• In helicopter rigging, who should communicate issues regarding load conditions?
• Why must rigging teams undergo regular training?
• What should be done if a rigging team notices an equipment defect?
• Who is responsible for the size and weight of a load connected to the helicopter?
• What is a piece of mechanical construction equipment used for moving heavy materials?
• In the event that equipment contacts an overhead wire, what is the safest action to take?
• Which type of signals controls the lifting and landing of a load?
• Who is generally responsible for the safety of a crane operation once the load is lifted?
• What is the purpose of using cotter pins with shackles?
• Why is it important to lift loads vertically?
• Which term refers to the act of lifting a load using a hoist system?
• What should be considered when selecting rigging equipment?
• What type of training is essential for successful rigging operations?
• How often should training for rigging operations be refreshed?
• When using two or more chain hoists for drifting loads, the angle of lift should not exceed what degree with the vertical?
• Which type of sling generally provides the best resistance to the elements?
• When tying two lengths of the same diameter rope together, which knot should you choose?
• What should be done immediately if the weight of a load is too heavy?
• Which knot is primarily used to finish off other knots and should not be used by itself for lifting?
• What type of rigging method is commonly used for triangular loads?
• Wire rope that has a natural finish is referred to as what?
• Which type of sling is generally considered most preferable for heavy lifting applications?
• What is a common mistake made during rigging operations?
• What is the primary purpose of a rigging communication plan?
• What should be regularly inspected in rigging equipment?
• How many times stronger is polypropylene rope compared to manila rope?
• What type of links is most popular due to their design for use on hooks?
• What is the main purpose of a hoisting manual?
• What is the purpose of a catspaw knot?
• What percentage does a splice reduce the load-carrying ability of a rope, even if it's new?
• What is the area of a circle equal to?
• What type of environment should be maintained around a helicopter during operations?
• Which of the following is a safety measure during rigging?
• Before cutting a rope, how many whippings should typically be made to prevent unraveling?
• What is a commonly accepted characteristic of a coarse laid rope?
• What should be prioritized in the event of unexpected rigging challenges?
• What term describes small inverted slings found at the ends of wire ropes?
• Which component of a chain hoist is designed to be the weakest part and will spread when overloaded?
• The weight of an external load attached to a helicopter must not exceed what?
• What factor should be considered when planning a lift?
• How should rigging operators respond to unexpected emergencies during lifting operations?
• Why is load stability important in rigging operations?
• What should be used to connect a hook to an eye for secure lifting?
• What is the total length of rope needed for making a barrel hitch?
• What is the recommended distance for clearing electrical hazards when operating a crane?
• What is a primary focus of specific rigging standards?
• What determines the maximum safe load limit for rigging equipment?
• Which characteristic is important for rigging slings?
• How can extreme ambient temperatures affect rigging equipment?
• What should be done when moving a heavy load near pedestrians?
• What does the term "out of service" mean concerning rigging equipment?
• Why is communication crucial in rigging operations?
• What percentage of the wire rope strength does a socket have?
• How are sizes of rope designated in the piping industry?
• What can happen if rigging equipment is not correctly inspected?
• Which organization requires the use of approved crane and hoist signals?
• Why are appropriate hand signals important for riggers?
• What is the outcome of improper rigging techniques?
• What devices are used to provide shape and a wearing surface in the eyes of wire ropes?
• If a steel angle is flattened out, what is the result?
• What is the required clear area around a load to prevent debris scattering by helicopter rotors?
• How should slings be positioned to ensure maximum lifting capacity?
• What must all electrically operated cargo hooks have to prevent inadvertent operation?
• What is the responsibility of a qualified rigger?
• Which factor is critical for determining the safety of a lifted load during operation?
• What is a "sheave" in the context of rigging?
• What term is used for multiple-part slings that are made up of two, three, or four single-part slings placed on a master link?
• What term describes a rope where the wires in the strands are wound in the same direction as the strands around the core?
• Why is it important to use the correct sling type for a specific load?
• Which of the following best describes a synthetic sling?
• What type of rigging fitting is needed to connect two separate rigging components securely?
• What is the correct action if a load needs to be suspended for an extended period?
• What must be used with all round pin shackles to ensure safety?
• How does environmental weather affect rigging operations?
• What safety equipment is essential while conducting rigging operations?
• How can you identify a "qualified" rigger?
• A rope is said to be what type of lay if the strands and wires are mixed and do not follow the same direction?
• What is the primary structural shape formed by bending a plate with additional metal at the center?
• What are grommet slings made from?
• Which hitch is used for attaching the end of a rope to an object for a right-angle pull?
• Which type of chain hoist is the most frequently used in piping trades?
• What is a crucial factor to ensure during a lifting operation?
• What is the impact of corrosion on rigging equipment?
• What should be included in a pre-lift checklist?
• How frequently should rigging equipment be inspected?
• What is a common consequence of improper rigging techniques?
• On what basis is the weight of materials other than steel plate usually calculated?
• Why is it important to assess environmental conditions before lifting?
• What type of inspection follows an incident involving rigging equipment?
• Which of the following is NOT a recommended practice during helicopter hoisting operations?
• What is an example of a temporary lift?
• Which type of hooks are specifically designed to prevent cutting and chafing of wire rope slings?
• What is the primary purpose of rigging in industrial settings?
• Which knot will not slip or draw tight under heavy loads?
• What percentage of stretch in a chain indicates that it should be replaced?
• How is the circumference of a circle calculated?
• What can be used to prevent load shifting during a lift?
• What is the most versatile general-purpose jack that allows for safe lifting, lowering, skidding, and leveling?
• Which material is recommended for all eye bolts used for hoisting?
• No unauthorized person shall approach within how many feet of a helicopter when the rotor blades are turning?
• What must be determined before calculating the weight of parts rolled into tanks?
• What is a common practice during a load inspection?
• What is the minimum angle at which slings should not be used in relation to the horizontal plane of the load?
• What does "rated capacity" refer to in rigging?
• What is the role of friction in rigging?
• What is the purpose of a load chart in rigging?
• Wire rope is designated by what measurement?
• What should be done if rigging equipment is found to be damaged?
• What term is used for fittings that connect various rigging hardware components?
• Which safety measure must be taken when loading or unloading with cranes on windy days?
• What does "three-point contact" ensure in rigging?
• What is meant by "dynamic loading" in rigging?
• Which lifting device has the simplest construction and uses the basic lever-and-fulcrum principle?
• When is it acceptable for employees to work under hovering crafts?
• Which type of rope is ideal for lifting light loads, such as small-diameter copper and steel tubing?
• In wire rope terminology, what does the term "seizing" refer to?
• What is the primary function of a load cell in rigging?
• Most crane signals are made with which hand?
• What is the role of a "spotter" in a rigging operation?
• What is the recommended safety factor when handling and caring for rope based on its minimum breaking strength?
• What is one critical guideline for safe rigging practices?
• How many basic weight and formula(s) should a journeyworker memorize for accurate weight estimation?
• What should be done with rigging equipment that is found to be damaged?
• In a rigging operation, what should be done if the load begins to sway excessively?
• Eye splices equal what percentage of the Safe Working Load (SWL) of wire rope up to 3/4-inch diameter?