Signaling Test Fill In The Blanks

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In each blank, try to type in the word that is missing. If you've typed in the correct word, the blank will turn green.

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When you are all done, you should look back over all your answers and review the ones in red. These ones in red are the ones which you needed help on.

Question: When giving the _________ signal, the signalperson must watch the crane for two-blocking.Answer: Extend Telescoping

Question: Nonstandard hand are never permitted during a lift. T/FAnswer:

Question: Audible signals can indicate an unlimited set of , even those related to the most complex operation of a crane. T/FAnswer: False

Question: The _____________ signal may be used to adjust the rigging or cribbing, reposition the suspended load, or correct some minor problem before the lift proceeds.Answer: Dog

Question: The most common types of sling materials used for riggingand hoisting are 1._____________ , 2.___________________ and 3._____________.Answer: 1.chain 2.synthetic round and 3. .wire rope.

Question: Load may be indicated on equipment nameplates, on shipping documents, or in the manufacturer’s product information. T/FAnswer: TRUE

Question: If a load is made from , solid parts, its volume is multiplied by the material’s ? in order to determine the load weight.Answer:

Question: The most critical in rigging and lifting is density. T/FAnswer:

Question: What is the total of a bundle of 75 pieces of 20-foot-long, 1/2-inch trade size steel EMT conduit? Answer: 450 lb A 1/2 inch EMT conduit weighs 0.30 pound/foot.

Question: What is the total material weight of a load consisting of 20 pieces of 4 foot x 10 foot steel sheets that are1/4 inch ?Answer: 8,160 : A steel sheet at 1/4 inch thick weighs 10.2 pounds/foot.

Question: Load weight may be on equipment nameplates, on shipping documents, or in the manufacturer’s product information. T/FAnswer: True

Question: If a load is made from , solid parts, its volume is multiplied by the material’s ? in order to determine the load weight.Answer: density

Question: 1/6πd3Answer: Volume of a

Question: l × w × Answer: Volume of a Rectangular

Question: 1/4πd2 × Answer: Volume of a

Question: 1/3πb2h Answer: Volume of a

Question: Lifting a load from directly over its CG puts the least stress on the rigging and the safest and most controlled lifting conditions. T/FAnswer: True

Question: A ? is a device that measures linear force by measuring the rotational (torque) that it induces on the load cell’s sensor.Answer:

Question: By using the ? procedure, the center of gravity of a relatively small load with a flat bottom can be determined by it onto a small roller and noting the tipping point.Answer:

Question: The CG is closer to the lighter end. T/FAnswer: False

Question: The ? procedure considering the load as a group of smaller sections, each with its own weight and CG.Answer:

Question: If a load has defined sections, the overall CG for the load can also be found by calculating the ? for each .Answer: Moment

Question: Once a load’s CG is determined, it should be hoisted from directly over that point, which ensures . T/FAnswer: True

Question: For symmetrical arrangements of four or more , each point is considered to be supporting ? of the load weight.Answer: 1/3

Question: Asymmetrical rigging that the required sling lengths and angles are unequal. T/FAnswer: True

Question: What are 4 of sling hitches? Answer: 1. Vertical hitch 2. Basket . Choker hitch 4. Bridle hitch

Question: What is a major advantage of a Hitch? Answer: A Basket Hitch effectively doubles the "rated load"of the sling (as long as the legs of the remain withing 5ft of the vertical.

Question: A Choker hook is used to quickly form a Choker ______________ on a wire rope without having to thread one end of the sling through the other end's eye. Answer:

Question: web sling eyes must not be put around objects that are wider than one-fifth the length of the eye. T/FAnswer: no larger than 1/3

Question: The ______________hitch is the simplest of all the hitch arrangements. One end of the sling is connected to a hoist hook and the other to a load. Answer:

Question: A major advantage of a basket hitch is that it effectively ___________________________ the rated load of the sling as long as the legs of the sling remain withing 5 degrees of the vertical. Answer:

Question: __________________ hitches are commonly used to attach slings to bundles of long materials, such as beam, tubing, and lumber. Answer:

Question: __________________________ can be used to form, field-assembled bridle sling, particularly when all the sling eyes will not safely fit within the hoist hook. Answer:

Question: The ? is the maximum tension that a rigging component may be to while maintaining an appropriate margin of safety.Answer: load

Question: The at which a material is expected to break.Answer: strength

Question: Chain slings use a minimum safety of four. T/FAnswer: True

Question: Standard safety factors are valid for both loading and dynamic loading. T/FAnswer: False

Question: Slings can be shortened by or twisting.Answer:

Question: Identification tags will always include the ________________ hitch rated load.Answer:

Question: An advantage of a basket hitch is that it effectively doubles the rated load of the sling as long as the legs of the remain within 5° of vertical.Answer: True

Question: Most basket hitch rigging requires only one .Answer: False

Question: The ________________ angle is the angle formed at the choke between the vertical part of the sling and the part of the sling surrounding the load.Answer:

Question: When using a shackle to form a choker hitch, it be connected with the bow inside the sling eye.Answer:

Question: The tops of _____________________ slings are gathered at a common hook or fitting.Answer:

Question: The minimum recommended sling angle is __________ .Answer:

Question: The most precise way to calculate the on a sling involves a load triangle.Answer: True

Question: Equipment that does not meet _____________________ inspection requirements may have a manufacturing defect, an improper label, or shipping damage.Answer:

Question: A(n) ________________________ inspection is a thorough rigging equipment inspection performed at regular intervals.Answer:

Question: A(n) ? inspection is a rigging equipment inspection performed at the of each workday or shift by the user of the equipment or by another designated person.Answer:

Question: It is likely that replacement is often a more choice than repair for damaged equipment. T/FAnswer: True

Question: The minimum recommended information on an inspection document includes the serial number, manufacturer, size, rated load, attachments, notations for each component, and T/FAnswer: True

Question: Hardware and require gradual drying in fresh, circulating air before storage. T/FAnswer: False

Question: The figure eight technique of coiling rope adds to the rope in opposite directions for each successive loop. T/FAnswer: False

Question: A of wires twisted spirally around and axis. Answer:

Question: A strand of metal wire or fiber that forms the of a wire rope. Answer: Core

Question: A __________________________-lay rope is a rope in which the wires in the strands are twisted in the opposite direction of the lay of the strands. Answer:

Question: In a right hand Regular lay rope, the strands are twisted to the ___________________Answer:

Question: The ________________________ is a designation for the direction in which rope stands are twisted, described as if spiraling away FROM the observer. Answer: Lay

Question: Lang lay ropes are identified by their wires crossing the axis fo the rope at appropximately ________________ degrees. Answer:

Question: Lang lay ropes exopse more wires to the _________________ surface, which increases the _________________________ of the ropes. Answer: 1. outer 2. life

Question: Lang Lay ropes have greater __________________________ than regular-lay ropes but have a tendency to untwist under tension. Answer:

Question: Th most common strand patterns are 1._____________ 2.________________ 3_______________ and 4.___________________Answer: 1. filler wire 2. Warrington 3. 4. Warrington Seale

Question: A sling must be immediately ___________________ from service if the warning yarns are visible. Answer:

Question: Web slings are configured into ________________ standard configurations trypes. Answer:

Question: Synthetic slings are constructed from yarns of man-made fibers, typically ____________________ fibers.Answer:

Question: The primary advantage of synthetic slings is their resistance to and puncturing.Answer:

Question: Polyester webbing has _____________ markers.Answer:

Question: Webbing is available in multiple widths and numbers of________________________ which determine its strength.Answer:

Question: Class 7 has a minimum certified tensile strength of 6800 lb/in. of width per ply.Answer:

Question: The typical factor for web slings is 5.Answer: True

Question: A ? is an edge treatment on material that helps prevent unravelingAnswer:

Question: The safety factor for web slings is 5. T/FAnswer: True

Question: A ________________ is an overlap of webbing material that is sewn together.Answer:

Question: A size 5 roundsling is _____________________ in color.Answer:

Question: The _______________ wire rope is the least susceptible to wearAnswer:

Question: What types of manila rope may be used for applicationsAnswer: Yacht and 1

Question: The bowline knot can be tied with the working end on either the inside or the outside of the loop, the knot is stronger with the working end on the outside. t/FAnswer: True

Question: A ________________________ is a continuous line of fibers twisted together.Answer:

Question: ______________________rope consists of completely separate inner and outer braids, which may be of different materials.Answer: .Double-braid

Question: is the weaving of four pairs of alternately twisted into a rope.Answer:

Question: In most cases, a safety of five is used for fiber rope. T/FAnswer:

Question: ______________________________ is the tendency of a knot under load to change form, often in an adverse way.Answer:

Question: A ________________________ is a pressure point created when a rope crosses over itself after a turn around an object.Answer:

Question: The ____________________ is the portion of a rope that is unaltered or not involved in making a knot, hitch, or bend.Answer: part

Question: A(n) ? is a method of tying together two ends of the same rope, such as when a rope is around an object and the two ends meet and are knotted together.Answer: square

Question: The bowline knot can be tied with the working end on either the inside or the outside of the loop, though the knot is stronger with the working end on the . T/FAnswer: False

Question: A figure eight knot is also known as a ______________ KnotAnswer:

Question: The __________________________ is used for joining ropes of slightly different diametersAnswer: sheet

Question: A round turn is typically finished with two half hitches, which form a _______________________ hitch.Answer:

Question: A cat’s paw hitch is a compound knot that has the feature of providing mechanical advantage when tightening. T/FAnswer:

Question: A _________________ is a wheel with a concave edge for supporting a moving rope that is changing direction.Answer:

Question: The most types of blocks used in industrial hoisting applications are crane blocks, wire rope blocks, snatch blocks, tackle blocks and gin blocks. T/FAnswer: True

Question: ____________________ blocks are often equipped with lubrication fittings so the sheave bearings can be greased while in service.Answer:

Question: ___________________ blocks are designed for slower speed operation and generally have plain bore or bronze bushing sheaves that must be disassembled for inspection and relubricatioAnswer:

Question: A ________________ Rope Block is a block used with powered hoists where severe conditions of service are not expected. These blocks are relatively light and typically do not require weights to descend via gravity when being lowered.Answer:

Question: A _________________ Block is used with natural or synthetic fiber ropes , primarily for manual hoisting operations. Answer:

Question: A ___________________Block also known as a well wheel is a very simple block that is not much more than a large sheave in a lightweight frame. These block are used in hand-powered hoisting operations involving relatively light loads.Answer:

Question: * _____________ is the combination of ropes and accessories used with blocks to gain advantage for lifting. In rigging applications the rope is known simply as "rope" or "line" Answer:

Question: A standing block is the block in a block-and-tackle configuration and is usually attached to a fixed object or structure. T/FAnswer:

Question: A standing block is the upper block in a -and-tackle configuration and is usually attached to a fixed object or structure. T/FAnswer: True

Question: A ? is an point, usually on a block, for the dead end of a hoisting rope.Answer:

Question: One-part reeving has a advantage of 2:1, reducing the lead-line force to only 50%. T/FAnswer: False

Question: Three-part reeving involves two sheaves in an upper block and one in a block.Answer:

Question: A lifting force is a constant force applied to an object that is only sufficient to keep the object in .Answer: False

Question: What is the force required to hold a 400-pound load using a three-part reeving system? Note: The rope, block, and hook components weigh a total of 20 .Answer: 140lbs

Question: In a block-and-tackle assembly, the number of is assumed to equal the number of parts.Answer: True

Question: What is the minimum force required to lift a 5,000-pound load using an eight-part reeving system equipped with plain bearing ?The bend ratio is 17.Answer: Note: The bend ratio is 17. Therefore, the friction of each sheave adds an additional 7% of the load weight to the , and the associated friction factor is 0.21. Note: As of April 11, 2016, this question has been reworded. The correct answer is: 1,050 lbs

Question: As more reduce the force required to lift a load, the distance the lead line must be pulled increases.Answer: True

Question: Block loading is the total amount of static force experienced by a block while in a arrangement.Answer:

Question: In a -part reeving assembly, the lead-line force is equal to the load weight.Answer:

Question: When rope must be , often the blocks must be replaced as well because the sheave grooves are no longer their original size.Answer: True

Question: ________________ is the distance between a hoist hooks upper and lower limits of travelAnswer:

Question: _______________________ is the distance from the cup of a hoist's top hook to the cup of the hoist hook when it is at it's upper limit of travel. This dimension specifies how much space must be allowed under the support for the hoist. Answer:

Question: ________________ is the distance between the cup of the top hook and the cup of the hoist hook when it is at it's lower limit of travel. Answer:

Question: Reach is the sum of the lift and the /FAnswer: True

Question: is lateral force. T/FAnswer: False Torque is force

Question: A ________________________ is a sprocket-like wheel with chain-link pockets.Answer: hand

Question: Most lever-operated hoists use to transfer power and prevent reverse rotation.Answer:

Question: Most -operated hoists use ratchets to transfer power and prevent reverse rotation. T/FAnswer:

Question: A(n) ____________________ hoist is a power-operated hoist that uses an air motor to provide an input torque to a gear drive.Answer:

Question: The entire layer of rope should never be unwound from a smooth drum. T/FAnswer:

Question: Rope should be overwound from left to if the rope is anchored on the left and the rope is a left-lay rope. T/FAnswer: False Note: The rope should be overwound from left to if the rope is anchored on the left and the rope is a RIGHT-LAY rope.

Question: Worm gear drives normally require braking or locking mechanisms to reverse rotation. T/FAnswer:

Question: A _________________ is a sprocket-like wheel with chain-link pockets.Answer: wheel

Question: A ? is the single turn of rope at the end of one drum wrap in the rope winds over the previous wrap to begin a new wrap.Answer: crossover

Question: A ____________________ prevents the hoist from lifting a load that is over its rated capacity.Answer: slip

Question: A limit switch automatically deenergizes a hoist when the hoisting line reaches either end of its limit. T/FAnswer: True

Question: A power-operated hoist uses a ratchet-type mechanism to lock a drive in when not actively hoisting or lowering. T/FAnswer:

Question: Slip clutches are typically set at about 110% of the capacity of a hoist. T/FAnswer: True

Question: Hook drift is the continued travel of a hoist hook caused by motor braking.Answer:

Question: Removed brake linings are inspected for deformation by a straightedge across the center and checking for gaps as the straightedge is rotated. T/FAnswer:

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