EPRI Rigger’s Handbook Practice Test

These questions are part of the practice quiz. Start practicing

• Who performs the initial inspection on all new rigging equipment before use?
• Do not use more than how many parts of a line when using fiber blocks?
• Which knot can be used as a last resort rescue knot?
• If the rope’s base capacity is 2,000 pounds, what is the basket-hitch rated load at 200%?
• Using the opposite distance method for calculating CG, how is End1 calculated?
• Synthetic Round Slings are rated for use at what temperature range?
• What type of load is caused by sudden lifting, stopping or swinging?
• For swivel hoist rings, the threaded portion length is how many times the bolt diameter?
• Chain Slings must use only which grade range?
• The volume of a cylinder is given by which expression?
• What is the formula for the area of a rectangle or square?
• Formula for IWRC
• What is the formula to calculate the weight of a pipe?
• Which option lists all four knot types for a rope?
• What is the choker capacity (vertical) for Synthetic Web Slings?
• Which of the following lists the three parts of a knot?
• If you are using a four-leg bridle hitch, how do you calculate the load per OSHA guidelines?
• What is the temperature range for Synthetic Fiber Rope use?
• One cubic foot of steel weighs approximately how many pounds?
• When removing wire rope from shipping reel or coil, what is essential?
• A basket hitch rated at 200% implies the load rating is what in relation to the standard rating?
• What is the correct order of rigging equipment inspections from initial use onward?
• In rough terrain crane operation, which direction provides the most stability?
• What is the maximum included sling angle in degrees?
• Eyenuts are threaded fasteners with a what feature?
• Replace rope if wire diameter wear is _____ or more?
• In a setup using a 1-inch wire rope eye sling around a 1-inch shackle, the efficiency is approximately what percentage?
• The diameter of a circle is defined as the distance across the circle through which point?
• Which knot is recognized as a last-resort rescue knot?
• Eye splice strength reduction is typically what percent?
• Eyebolts are used for what purpose?
• In wedge work, which dimension is adjusted?
• Which statement about crane operation on uneven ground is correct?
• What is the temperature range for Synthetic Web Slings?
• The fleet angle limit on a smooth wire rope drum is given as either a degree or a ratio. Which is correct?
• How do you convert cubic inches to cubic feet?
• Which of the following correctly describes the typical sling angle guideline for common loads?
• Doubling the radius of a sphere increases its surface area by what factor?
• Deflection of the boom and pendant stretch will increase which of the following?
• A 1-inch wire rope eye sling lifting a load with a sling around a 1-inch shackle will be how efficient?
• Who provides direction to the equipment operator on a worksite?
• Which terms are considered the three parts of a knot?
• The D/d ratio is calculated using which measurements?
• In lace reeving, which condition is observed as the main disadvantage?
• Turnbuckles are used for what purpose?
• Shackles are rated for max capacity under which loading condition?
• Two-blocking occurs when the ball or block comes in contact with what?
• For Personnel Basket Lifting, the proof test should be to what percent of rated capacity?
• Which description best defines a Rigger?
• What does a 1 short audible signal indicate when the crane is moving?
• What is the temperature range for Wire Rope Clips?
• Why is chain not suitable for impact loading?
• What is the temperature range for rigging blocks?
• What is the volume expression for a rectangular solid in terms of length, width, and height?
• Which factor does the Rigger's Rule primarily address in rigging setup?
• How do you convert inches to feet?
• Who is a Heavy Equipment Operator in lift activities?
• On a smooth wire rope drum, the fleet angle should not exceed which specification?
• Jib capacity increases as the angle decreases: True or False?
• Which statement best describes the purpose of a Below-The-Hook Lifting Device?
• What is the formula to compute load weight from volume?
• Shackles are rated for max capacity when use for what?
• The perimeter of a rectangle is represented by which expression?
• What is the maximum grade a crane can operate on if it is not level?
• When a choker hitch angle is less than 120 degrees, how is the allowable sling load calculated?
• Maximum included sling angle?
• What is the D/d ratio for the relationship between sheave pitch diameter and wire rope diameter?
• The crane's maximum capacity is determined by the boom angle and what else?
• What are Metal Mesh Slings composed of?
• When operating near high-voltage powerlines rated at 275 kV, what clearance is required?
• What happens when rope is bent around sheaves or a hook?
• What is the well-known mnemonic used to remember the wire rope clip sequence?
• Grade 110/20 wire rope has the highest strength.
• Circumference of a circle is defined as which of the following?
• What is the most commonly used grade of natural fiber?
• What unit is weight per cubic foot typically expressed in?
• What is the standard area formula for a circle?
• Choker hitch rating depends on choke angle and is typically what percent?
• What is the choker capacity (vertical) for Synthetic Fiber Rope?
• The term for ultimate load divided by the safety factor is what?
• What does CG stand for in lifting discussions?
• What is the maximum interval for periodic inspections of rigging equipment?
• A short splice is what percentage as strong as the original fiber rope?
• What temperature range applies to Shackles?
• Eye nuts must be affixed to SAE Grade 5 / ASTM A449 threaded material.
• How many cubic inches are in one cubic foot?
• The maximum capacity of a crane is measured by which configuration?
• What function will cause the load to exert leverage on the crane?
• Which components are commonly included in Below-The-Hook Lifting Devices?
• Synthetic Round Slings are typically made from which material?
• Who is responsible for the safe handling of the load while operating crane/hoist equipment?
• Who performs the frequent inspection (before, during, and after use) of rigging equipment?
• What is the choker capacity (vertical) for cable laid wire rope slings?
• Which of the following is NOT one of the four knot types listed for rope work?
• What does IWRC stand for in rope construction?
• In a regular rope lay, how are the strands laid?
• What is the choker capacity for chain slings in vertical configuration?
• Which statement best defines the Lift Coordinator?
• Which statement best describes swivel hoist rings compared to eye bolts?
• The 'Rule of thumb' minimum for wire rope to sheave ratio is
• If the diameter D is 2 inches, what is the IWRC value using the formula D^2 x 45?
• What material should wire rope be made of?
• As the boom angle decreases, crane capacity _________.
• If a four-leg bridle hitch is used and the total load is 30,000 pounds, what is the load per leg under OSHA calculation?
• Which of the following is NOT a hitch type?
• What is the purpose of a tag line?
• What is the maximum angle when using multiple slings in rings?
• Which formula gives the area of a sphere?
• What does a 2 short audible signal indicate when the crane is moving?
• The D/d ratio in rigging refers to what?
• For setups using fiber blocks, the recommended maximum number of line parts is:
• In circle calculations, which decimal value is commonly used as an approximation for pi?
• Which description best describes Synthetic Web Slings?
• Hoisting with a crane on outriggers, what is the most dangerous area?
• Basket hitch is rated at what percentage?
• Synthetic fibers offer better performance in terms of which attribute?
• Which core type is generally associated with greater flexibility and heat resistance when used in steel wire rope?
• What does a 3 short audible signal indicate when the crane is moving?
• What is the temperature range for eyenuts?
• Which statement accurately describes the Calculate CG method used in rigging?
• Metal Mesh Slings are rated for use within which temperature range?
• If the sling length is measured, what is the most common unit used for length in rigging measurements?
• If the circle's diameter is D, the radius is D/2.
• Doubling the radius of a circle increases the circumference by what factor?
• What is the minimum lifting angle that should be used?
• Which conditions define complex loads?
• Dynamic loads are caused by which of the following?
• The measurement used to determine boom length is taken from the center of the boom pin to the center of which pin?
• Swing drift is accomplished by swinging the boom tip over the top of which components when it reaches its apex?
• Which statement about cheater bar overload is most accurate?
• What is the temperature range for turnbuckles?
• Which are advantages to using IWRC over a fiber core?
• Rigging blocks are commonly known as what?
• Hand Chain or Lever Operated Hoist Tension Rigging is defined as what?
• What is the formula for the volume of a rectangular solid?
• As the crane radius decreases, the leverage the load exerts _______.
• Eye nuts must be attached to a threaded member of which specification?
• What is the operating temperature range for a swivel hoist ring?
• In Calculate CG, which expression gives End1?
• Mobile Crane Operators should be assigned to which task?
• For a 275 kV line, which of the following is a typical required clearance?
• Which of the following best describes the effect on nominal strength when rope is bent around sheaves or hooks?
• What determines crane capacity?
• Which quadrant is most stable for rough terrain cranes?
• ASME BTH-1 is primarily concerned with which area?
• Which statement about Synthetic Fiber Rope is true regarding tensile strength and weight?
• When operating near high-voltage powerlines rated at 100 kV, what clearance is required?
• Which natural fiber is commonly used as a natural fiber grade?
• When moving a load, approximately what percentage of the crane's rated capacity is available?
• What temperature range applies to Hooks?
• What describes High Line Tension Rigging?
• What minimum distance must be maintained between the closest part of the crane and any building or structure?
• If a circle's diameter is D, the radius is equal to what fraction of the diameter?
• When operating near high-voltage powerlines rated at 33 kV, what clearance is required?
• What is the main support structure for an overhead gantry?
• To what concept does the abbreviation CG refer?
• When operating near high-voltage powerlines rated at 50 kV, what clearance is required?
• The cylinder volume is calculated using which formula?
• Complete the sentence: Never _____ wind the wire rope from Top to Bottom.
• The area of a circle depends on which variable?
• The plane of the shouldered eyebolt shall be aligned in the direction of what?
• What is the temperature range recommended for eyebolts?
• The Rule of Thumb for wire rope to sheave ratio is 20:1.
• What is the temperature range recommended for wedges?
• If the boom angle becomes shallower, what happens to the crane's capacity?
• An eye splice reduces the strength of fiber rope by what range?
• Which statement is NOT a Sling Protection ABC characteristic?
• When traveling with the load, what percent of crane capacity can be used?
• On some come-a-long hoists, the handle will flex when?
• What must be removed from wire rope before inserting into a wedge?
• Using a cheater bar or snipe can overload a jack.
• What is the volume of a cube with side length s?
• What is the sling tension formula?
• In a rigging block, as the included angle decreases, the load what?
• In lace reeving, what is the main disadvantage?
• How was the boom angle measured?
• Which standard governs the design of lifting devices?
• Which items are examples of Below-The-Hook Lifting Devices?
• For Wire Rope Slings with Fiber Core, what is the acceptable temperature range?
• How is boom length measured on a crane?
• Synthetic Round Slings configurations can be which designs?
• What temperature range applies to Rings and Links?
• Which statement correctly describes crane capacity determinants?
• What defines a common load in terms of sling angle?
• Which expression represents the circumference of a circle in terms of diameter?
• Which statement about a lifting beam used in hoisting operations is true?
• The Lift Team should consist of?
• At a 60-degree angle, the sling leg load is what percentage?
• The windspeed unit used for the consultation rule is which?
• Is the pin larger than the body of a shackle?
• Choker capacity for Synthetic Round Slings in vertical is what percent?
• If a circle's circumference is expressed using the radius, which formula is correct?
• Which statement best describes Independent Wire Rope Core (IWRC) in terms of strength and temperature performance?
• What is a Below-The-Hook Lifting Device?