Rigging Certification Exam Quiz! Trivia

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Rigging involves using different machinery and tools, and one needs to know how to use them to minimize the chances of an accident and ensure work is done smoothly. For you to be considered qualified, you need to pass a rigging exam an earn a certificate. This quiz is designed to check if your knowledge is enough to pass the exam. Give it a shot!

• 1.

When a crane is used to lift personnel, the rope design factor is ________.

• A.

The same as it is for the equipment lifts

• B.

50 percent more than it is for equipment lifts

• C.

Twice what it is for equipment lifts

• D.

Three times what it is for equipment lifts

C. Twice what it is for equipment lifts
Explanation
When a crane is used to lift personnel, the rope design factor needs to be twice what it is for equipment lifts. This is because lifting personnel involves a higher level of risk and safety considerations compared to lifting equipment. Therefore, the rope design factor is increased to provide an extra margin of safety and ensure the stability and reliability of the crane when lifting personnel.

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• 2.

When a crane is used in a personnel lift, the total weight of the loaded platform and rigging may not exceed _________.

• A.

75 percent of the crane's rated capacity

• B.

50 percent of the crane's rated capacity

• C.

The crane's rated capacity

• D.

25 percent of the crane's rated capacity

B. 50 percent of the crane's rated capacity
Explanation
When a crane is used in a personnel lift, it is important to ensure that the total weight of the loaded platform and rigging does not exceed a certain percentage of the crane's rated capacity. This is necessary to maintain the safety and stability of the lift. The correct answer is 50 percent of the crane's rated capacity, which means that the weight of the loaded platform and rigging should not exceed half of the crane's maximum capacity. This ensures that there is a sufficient margin of safety and prevents overloading of the crane.

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• 3.

When used in a personnel lift, shackles and other rigging hardware must be rated for _______ times the load.

• A.

Two

• B.

Three

• C.

Five

• D.

Ten

C. Five
Explanation
In order to ensure safety and prevent accidents, shackles and other rigging hardware used in a personnel lift must be rated for five times the load. This means that the equipment should have a working load limit that is five times greater than the weight being lifted. This additional factor of safety accounts for potential dynamic loads, unexpected movements, and other variables that may occur during the lifting process. By using rigging hardware with a higher rating, the risk of equipment failure and accidents is minimized, ensuring the well-being of those using the personnel lift.

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• 4.

At which sling angle does each sling carry the full weight of the load?

• A.

10 degrees

• B.

20 degrees

• C.

30 degrees

• D.

40 degrees

C. 30 degrees
Explanation
At a sling angle of 30 degrees, each sling carries the full weight of the load. As the sling angle increases, the load is distributed between the slings, reducing the amount of weight each sling carries. At 30 degrees, the load is evenly distributed between the slings, resulting in each sling carrying the full weight of the load.

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• 5.

When measuring fittings attached to a wire rope, the measurement is made from one outside edge of the fitting to the other.

• A.

True

• B.

False

B. False
Explanation
The correct answer is False because when measuring fittings attached to a wire rope, the measurement is made from one inside edge of the fitting to the other. This is because the fitting is designed to fit snugly around the wire rope, so the measurement should be taken on the inside where the wire rope sits.

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• 6.

The optimal sling angle is _______.

• A.

0 degrees to horizontal

• B.

Between 30 and 60 degrees to horizontal

• C.

Between 60 and 45 degrees to horizontal

• D.

90 degrees to horizontal

C. Between 60 and 45 degrees to horizontal
Explanation
The optimal sling angle is between 60 and 45 degrees to horizontal because this range provides the best balance between stability and efficiency. A sling angle that is too close to horizontal may cause the load to slip or become unstable, while a sling angle that is too steep may reduce the lifting capacity and put excessive stress on the sling and lifting equipment. Therefore, a sling angle between 60 and 45 degrees allows for a secure and efficient lift.

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• 7.

In the formula for calculating WLL, the value H represents the __________.

• A.

Height of the boom in feet

• B.

Length of the sling in meters

• C.

Height of the load in feet

• D.

The distance between the hook and the load

D. The distance between the hook and the load
Explanation
The value H in the formula for calculating WLL represents the distance between the hook and the load. This means that H measures the vertical distance between the lifting point (hook) and the load being lifted. It is an important factor to consider when determining the working load limit (WLL) of a lifting operation, as it affects the overall stability and safety of the lift.

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• 8.

A lift in which the weight of the load and rigging exceeds 75 percent of the crane capacity is referred to as a(n) __________.

• A.

Critical lift

• B.

Ordinary lift

• C.

Hazardous lift

• D.

Multi-crane lift

A. Critical lift
Explanation
A lift in which the weight of the load and rigging exceeds 75 percent of the crane capacity is referred to as a critical lift. This term is used to describe a lift that requires special attention and precautions due to the high risk involved. It signifies that the lift is at or near the maximum capacity of the crane, making it more dangerous and requiring additional safety measures to be taken.

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• 9.

When calculating the WLL of a double wrapped choker hitch, the value must be doubled.

• A.

True

• B.

False

B. False
Explanation
The statement is false because when calculating the Working Load Limit (WLL) of a double wrapped choker hitch, the value does not need to be doubled. A double wrapped choker hitch refers to a method of securing a load by wrapping the sling around the load twice and then passing the free end through the choker loop. In this case, the WLL remains the same as for a single wrapped choker hitch. Doubling the value would result in an incorrect calculation and potentially lead to overloading the sling.

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• 10.

The three parts of a wire rope are the wire, the strands, and the _________.

• A.

Monel

• B.

Center wire

• C.

Core

• D.

Lang

C. Core
Explanation
The three parts of a wire rope are the wire, the strands, and the core. The core of a wire rope provides stability and strength to the overall structure. It is typically made of materials such as fiber, steel, or synthetic materials like polypropylene. The core helps to maintain the shape and integrity of the wire rope, preventing it from collapsing or deforming under heavy loads.

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• 11.

The grade of steel with the highest breaking strength is _________.

• A.

Traction steel

• B.

Plow steel

• C.

Improved plow steel

• D.

Extra improved plow steel

D. Extra improved plow steel
Explanation
Extra improved plow steel has the highest breaking strength compared to the other types of steel mentioned. The term "extra improved" suggests that this type of steel has undergone additional enhancements and improvements in its composition and manufacturing process, resulting in a higher breaking strength. It is specifically designed to withstand the demanding conditions and forces experienced during plowing, making it the grade of steel with the highest breaking strength.

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• 12.

The wire used in wire rope can be made of steel, iron, Monel, or ________.

• A.

Copper

• B.

Aluminum

• C.

Bronze

• D.

Tin

C. Bronze
Explanation
The wire used in wire rope can be made of various materials such as steel, iron, Monel, or bronze. Bronze is a suitable material for wire rope due to its strength and corrosion resistance. It is commonly used in applications where durability and reliability are crucial, such as in marine environments or heavy-duty lifting operations. Copper, aluminum, and tin are not typically used as materials for wire rope due to their lower strength and/or inferior corrosion resistance compared to bronze.

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• 13.

Wire rope cores are identified as fiber core, wire strand, or________

• A.

Filler core

• B.

Independent wire rope core

• C.

Rotation resistant core

• D.

Seale core

B. Independent wire rope core
Explanation
The correct answer is "independent wire rope core." Wire rope cores can be classified into three types: fiber core, wire strand, and independent wire rope core. The independent wire rope core consists of a separate wire rope that is laid in the center of the main wire rope. This type of core provides added strength and stability to the wire rope, making it resistant to rotation and suitable for heavy-duty applications. The other options listed, such as filler core and Seale core, are not commonly used terms for wire rope cores.

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• 14.

What type of lay is indicated when the strands are wrapped around the core in a counterclockwise direction?

• A.

Right lay

• B.

Left lay

• C.

Alternate lay

• D.

Lang lay

B. Left lay
Explanation
When the strands are wrapped around the core in a counterclockwise direction, it indicates a left lay. In left lay, the strands are twisted in a counterclockwise direction around the core. This type of lay is commonly used in ropes and cables to provide strength and stability.

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• 15.

When the individual wires of a strand on a rope are perpendicular to the run of the rope it is classified as ________.

• A.

Regular lay

• B.

Left lay

• C.

Alternate lay

• D.

Lang lay

D. Lang lay
Explanation
A rope with a "lang lay" classification means that the individual wires of a strand are perpendicular to the run of the rope. In other words, the wires are arranged in a way that is at a 90-degree angle to the length of the rope. This arrangement provides the rope with increased flexibility and makes it more resistant to kinking.

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• 16.

The four basic strand patterns are wire, Warrington, filler and ________.

• A.

Warrel

• B.

Contractor

• C.

Seale

• D.

Laquor

C. Seale
Explanation
The four basic strand patterns are wire, Warrington, filler, and Seale. A Seale strand pattern refers to a specific type of construction for wire ropes. It is characterized by having a central wire surrounded by six outer wires in a regular pattern. This pattern provides good flexibility and resistance to abrasion, making it suitable for various applications such as lifting and hoisting.

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• 17.

Within the 6 x 37 classification of rope, the _______ can vary from 31 to 49.

• A.

Wires in a strand

• B.

Number of strands

• C.

Diameter of the core

• D.

Pattern of the strands

A. Wires in a strand
Explanation
The number of wires in a strand can vary from 31 to 49 within the 6 x 37 classification of rope. This means that there can be anywhere from 31 to 49 individual wires within each strand of the rope. The number of wires in a strand is an important factor in determining the strength and durability of the rope.

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• 18.

All rope ends must be welded and tapered to prevent fraying.

• A.

True

• B.

False

B. False
Explanation
The statement is false because while it is important to weld rope ends to prevent fraying, tapering is not necessary. Welding alone is sufficient to secure the rope ends and prevent them from unraveling. Tapering is a technique used to make the rope ends more streamlined and easier to pass through loops or openings, but it is not a requirement to prevent fraying.

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• 19.

The lowest efficiency rating of a wire rope with a loop and thimble splice, hand tucked, is ________.

• A.

70%

• B.

80%

• C.

90%

• D.

95%

A. 70%
Explanation
A wire rope with a loop and thimble splice, hand tucked, has a lowest efficiency rating of 70%. This means that the splice is able to retain 70% of the rope's original strength. The splice is created by forming a loop in the rope, inserting a thimble to protect the rope from wear, and then hand-tucking the strands back into the rope. This type of splice is commonly used in applications where a strong and secure connection is required.

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• 20.

The efficiency rating of a wire rope assembly is a percentage of the _________.

• A.

Abrasion ratio

• B.

• C.

Nominal breaking strength

• D.

Parts of a line

C. Nominal breaking strength
Explanation
The efficiency rating of a wire rope assembly is a percentage of the nominal breaking strength. This means that the efficiency rating indicates how close the wire rope assembly is to its maximum strength before it breaks. A higher efficiency rating implies that the wire rope assembly is stronger and more reliable, while a lower efficiency rating suggests that it may be closer to its breaking point and less reliable.

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• 21.

What type of end termination provides the highest efficiency rating?

• A.

Thimble, hand tucked

• B.

Swaged soocket

• C.

Wedge socket

• D.

Wire rope clips

B. Swaged soocket
Explanation
A swaged socket provides the highest efficiency rating compared to other types of end terminations. This is because a swaged socket is a type of mechanical termination that is specifically designed to provide a secure and durable connection between the wire rope and the fitting. It involves compressing the socket onto the wire rope, creating a tight and strong bond. This type of termination ensures maximum load transfer and minimizes the risk of slippage or failure, resulting in a higher efficiency rating.

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• 22.

A fabricated socket has a efficiency rating of ________.

• A.

70 to 90 percent

• B.

75 to 80 percent

• C.

80 percent

• D.

100 percent

D. 100 percent
• 23.

A swaged socket is not recommended for _______ type of wire rope.

• A.

IWRC

• B.

FC

• C.

WSC

• D.

EIPS

B. FC
Explanation
A swaged socket is not recommended for FC (fiber core) type of wire rope.

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• 24.

The dead end of the wire rope experiences the weight of the load.

• A.

True

• B.

False

B. False
Explanation
The dead end of the wire rope does not experience the weight of the load. The weight of the load is typically carried by the working end of the wire rope, while the dead end is usually secured or attached to a fixed point. Therefore, the statement is false.

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• 25.

In a wedge socket, the tail length of the dead end of the rope should be at least ________.

• A.

Long enough for three rope clips

• B.

Six centimeters

• C.

Six rope lengths

• D.

Ten inches

C. Six rope lengths
Explanation
In a wedge socket, the tail length of the dead end of the rope should be at least six rope lengths. This is because a sufficient amount of rope is needed to ensure a secure connection and prevent slippage in the wedge socket. By having a tail length that is at least six rope lengths, there is enough material to properly secure the rope and distribute the load evenly, reducing the risk of failure.

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• 26.

The U-bolt type of clip consists of the U-bolt, the nuts and the ________.

• A.

Socket

• B.

Clip ring

• C.

• D.

Clip harness

Explanation
The U-bolt type of clip consists of the U-bolt, the nuts, and the saddle. The saddle is a curved piece that fits around the object being secured, providing support and holding it in place. It is an essential component of the U-bolt clip as it helps distribute the load evenly and prevents the U-bolt from slipping or damaging the object.

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• 27.

How often should the running rope of a mobile crane be inspected for gross damage?(select all that apply)

• A.

Daily

• B.

Weekly

• C.

Written Document once a month

• D.

Monthly

• E.

Before each shift

• F.

Annually

A. Daily
C. Written Document once a month
D. Monthly
E. Before each shift
Explanation
The running rope of a mobile crane should be inspected for gross damage on a daily basis, before each shift, and once a month as a written document. Daily inspections are necessary to ensure immediate identification of any damage that may compromise the safety of the crane. Before each shift inspections are important to verify that the rope is in good condition before operation. Monthly inspections as a written document help maintain a record of the rope's condition over time and ensure regular monitoring for any potential issues.

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• 28.

As a part of the inspection criteria, most standards require rope to be removed from service if the wear on the outer wires exceeds ______ of the original diameter.

• A.

One-eighth ( 1/8 )

• B.

One-fifth (1/5 )

• C.

One-half (1/2 )

• D.

One-third ( 1/3 )

D. One-third ( 1/3 )
Explanation
Most standards require rope to be removed from service if the wear on the outer wires exceeds one-third (1/3) of the original diameter. This is because excessive wear on the outer wires can weaken the rope and compromise its strength and safety. By setting a limit of one-third, the standards ensure that the rope is replaced before it becomes too worn and potentially hazardous.

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• 29.

Some minor defects in the wire rope can be tolerated, but if any ________ is / are found during inspection, the wire rope must be immediately removed from use.

• A.

Heat damage

• B.

Broken wires

• C.

Peening

• D.

Kinks

D. Kinks
Explanation
Kinks in a wire rope can significantly weaken its structural integrity and increase the risk of failure. Even minor defects in a wire rope can be tolerated to some extent, but the presence of kinks indicates a more serious issue that can compromise the safety of the rope. Therefore, if any kinks are found during inspection, it is necessary to immediately remove the wire rope from use to prevent any potential accidents or failures.

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• 30.

A wire rope needs to be replaced if there is/are ________ broken outer wire(s) at the point of contact with the core that physically protrude(s) or loop(s) out of the wire structure.

• A.

One

• B.

Three

• C.

Four

• D.

Six

A. One
Explanation
A wire rope needs to be replaced if there is one broken outer wire at the point of contact with the core that physically protrudes or loops out of the wire structure. This is because a broken outer wire can compromise the integrity and strength of the wire rope, making it unsafe for use.

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• 31.

Damaged flanges on a sheave can cause the wire rope to ________.

• A.

Wobble

• B.

Stretch

• C.

Birdcage

• D.

Jump out of the groove

D. Jump out of the groove
Explanation
Damaged flanges on a sheave can cause the wire rope to jump out of the groove. When the flanges are damaged, they may not provide proper support and guidance for the wire rope. As a result, the wire rope can become misaligned and dislodged from its intended position within the groove. This can lead to instability and potential failure of the system, as the wire rope may not be able to effectively transmit forces or maintain proper tension.

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• 32.

The two critical areas to inspect on a sheave are the bearings and the ________.

• A.

Safety latch

• B.

Rope terminations

• C.

Groove dimentions

• D.

Gauge

C. Groove dimentions
Explanation
The correct answer is "groove dimensions". When inspecting a sheave, it is important to check the groove dimensions to ensure that they are within the specified tolerances. This is crucial because the groove dimensions directly affect the performance and efficiency of the sheave. If the groove dimensions are incorrect, it can lead to issues such as excessive wear on the rope or improper alignment, which can ultimately result in equipment failure or accidents. Therefore, inspecting the groove dimensions is essential for maintaining the safety and functionality of the sheave.

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• 33.

A series of sheaves stacked in a support frame with a hook attached is a _________.

• A.

Sheave stack

• B.

• C.

Boom sheave

• D.

Boom pendant

Explanation
A series of sheaves stacked in a support frame with a hook attached is referred to as a load block. The sheaves, which are grooved wheels, are stacked together to form a block that is used for lifting and moving heavy loads. The hook attached to the load block allows for the attachment of ropes or chains to secure the load. This arrangement is commonly used in cranes and other lifting equipment to facilitate the movement of heavy objects.

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• 34.

The D/d ratio is used to ________.

• A.

Calculate the length of the rope needed

• B.

Check if different products are compatible

• C.

Calculate the number of parts in line needed

• D.

Measure the efficiency of a wire rope termination

B. Check if different products are compatible
Explanation
The D/d ratio is used to check if different products are compatible. The D/d ratio refers to the diameter of a sheave or pulley (D) divided by the diameter of the wire rope (d). This ratio is important because it determines whether the wire rope can properly fit and function within the sheave or pulley. If the D/d ratio is too small, it can cause excessive wear and damage to the wire rope. Therefore, by calculating the D/d ratio, one can determine if the sheave or pulley is compatible with the wire rope, ensuring safe and efficient operation.

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• 35.

To reduce internal friction and prevent corrosion, a wire rope should be ________ on a regular basis.

• A.

Replaced

• B.

Inspected

• C.

Lubricated

• D.

Reeved

C. Lubricated
Explanation
To reduce internal friction and prevent corrosion, a wire rope should be lubricated on a regular basis. Lubrication helps to reduce friction between the individual strands of the wire rope, allowing them to move more smoothly and freely. This not only helps to prevent wear and tear on the rope but also reduces the likelihood of internal corrosion due to moisture or other environmental factors. Regular lubrication ensures that the wire rope remains in good condition and extends its lifespan.

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• 36.

Placing a rope in sheaves i known as _________.

• A.

Sheaving

• B.

Reeving

• C.

Terminating

• D.

Winding

B. Reeving
Explanation
Reeving is the correct answer because it refers to the act of placing a rope in sheaves. Sheaves are grooved wheels or pulleys that are used to guide and change the direction of a rope. Reeving involves threading the rope through the sheaves in a specific manner to create a mechanical advantage or to enable the rope to perform a specific task. This term is commonly used in industries such as sailing, rigging, and material handling.

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• 37.

The easiest method for determining the parts of a line needed for a lift is to _________.

• A.

Divide the total weight by the nominal breaking strength

• B.

Check the OSHA regulations

• C.

• D.

Calculate the D/d ratio

Explanation
To determine the parts of a line needed for a lift, the easiest method is to check the load chart. The load chart provides information about the maximum weight capacity and the corresponding parts required for lifting different loads. By referring to the load chart, one can easily identify the specific parts needed for a particular lift based on the weight of the load.

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• 38.

The safety factor for live or running rope for boom erection is ________.

• A.

2.0

• B.

2.5

• C.

3.0

• D.

3.5

C. 3.0
Explanation
The safety factor for live or running rope for boom erection is 3.0. This means that the rope used for boom erection must have a breaking strength that is at least three times the maximum expected load. This ensures that the rope can safely support the weight and forces involved in the boom erection process without breaking or failing. A higher safety factor provides an additional margin of safety and helps to prevent accidents or equipment failure.

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• 39.

All of the following can be used to minimize block twisting except _________.

• A.

• B.

Using a longer wire rope

• C.

Using an even number of parts of a line

• D.

Using a tag line

B. Using a longer wire rope
Explanation
Using a longer wire rope does not help minimize block twisting. The length of the wire rope does not have an impact on block twisting. The other options, such as reducing the load, using an even number of parts of a line, and using a tag line, can help minimize block twisting by providing stability and control during lifting operations.

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• 40.

If directed to overwind a right lay rope onto a drum, secure the rope on the right side of the drum and move right to left.

• A.

True

• B.

False

B. False
Explanation
To overwind a right lay rope onto a drum, you should secure the rope on the left side of the drum and move left to right. This is because a right lay rope has strands that are twisted in a right-hand direction, and to properly wind it onto the drum, you need to align the twists of the rope with the rotation of the drum. By securing the rope on the left side and moving left to right, the twists of the rope will match the rotation of the drum, ensuring a proper overwind.

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• 41.

The component that actually transfers the power of the crane to the wire rope is the __________.

• A.

Sheaves

• B.

• C.

• D.

Hoist drum

D. Hoist drum
Explanation
The hoist drum is responsible for transferring the power of the crane to the wire rope. It is a cylindrical device that the wire rope wraps around, and as the drum rotates, it pulls or releases the wire rope, allowing the crane to lift or lower loads. The hoist drum is an essential component in the crane's lifting mechanism, enabling it to transfer power effectively and safely.

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• 42.

For each crane, guidelines and instructions for installing various boom attachments and components are _______.

• A.

Contained in the operator's safety manual

• B.

Listed on the manufacturer's website

• C.

The same regardless of serial number, as long as the crane is manufactured by the same company

• D.

The same regardless of model number, as long as the crane is manufactured by the same company

A. Contained in the operator's safety manual
Explanation
The guidelines and instructions for installing various boom attachments and components are contained in the operator's safety manual. This manual provides detailed information on how to safely operate and maintain the crane, including specific instructions for installing different attachments and components. It is important for crane operators to consult the safety manual to ensure that they follow the correct procedures and guidelines for installation, as this helps to prevent accidents and ensure the safe operation of the crane.

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• 43.

Cranes must be assembled on site because _________.

• A.

The configuration depends on site conditions

• B.

Each part must be separately inspected

• C.

New wire ropes must be installed

• D.

They are too heavy to transport intact

D. They are too heavy to transport intact
Explanation
Cranes are too heavy to transport intact. This means that they cannot be transported as a whole unit and need to be assembled on site. Assembling the cranes on site allows for easier transportation of the individual parts, which can then be put together at the desired location.

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• 44.

Over half of all mobile crane accidents are the result of ________.

• A.

Poorly trained operators

• B.

Mechanical and equipment failures

• C.

Unskilled work performed when the crane is assembled

• D.

Boom failure due to overweight load

C. Unskilled work performed when the crane is assembled
Explanation
Over half of all mobile crane accidents are caused by unskilled work performed when the crane is assembled. This suggests that the accidents occur due to mistakes or errors made during the assembly process, such as improper installation or lack of knowledge about the correct procedures. These mistakes can lead to structural or mechanical failures, which in turn can result in accidents and injuries. It highlights the importance of ensuring that only trained and skilled workers are involved in the assembly of mobile cranes to minimize the risk of accidents.

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• 45.

Disassembly of most cranes involves removal of the _________.

• A.

Carbody and counterweights

• B.

Outriggers and boom

• C.

Base mounting and counterweights

• D.

Boom and counterweights

D. Boom and counterweights
Explanation
The correct answer is "boom and counterweights". When disassembling most cranes, the boom (the long, extendable arm used to lift heavy objects) needs to be removed. Additionally, the counterweights (used to balance the crane and prevent tipping) also need to be taken off. This allows for easier transportation and storage of the crane components.

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• 46.

The first concern of crane assembly is to _________.

• A.

Select a good location

• B.

Make sure you have all the pins and bolts

• C.

Calculate the counterweight needed

• D.

Inspect all the boom sections

A. Select a good location
Explanation
The first concern of crane assembly is to select a good location. This is important because the location needs to be suitable for the crane to operate safely and efficiently. Factors such as ground stability, accessibility, and proximity to the work area need to be considered when choosing a location. By selecting a good location, the crane assembly can ensure that the crane can be set up and used effectively without any potential hazards or obstacles.

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• 47.

The crane assembly area must be ________.

• A.

Close to or at the lift location

• B.

On a hill to make it easier to lift the boom

• C.

A firm and level surface

• D.

Close to the main access road

C. A firm and level surface
Explanation
The crane assembly area must be a firm and level surface in order to ensure stability and safety during the lifting process. A firm surface provides a solid foundation for the crane to operate on, preventing it from sinking or shifting. A level surface helps to distribute the weight evenly and maintain balance, reducing the risk of accidents or structural damage. Additionally, a firm and level surface allows for smooth movement of the crane and its components, facilitating efficient assembly and disassembly.

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• 48.

• A.

Completely around the assembly area

• B.

At a distance of 5 feet around the crane body

• C.

At the swing radius of the crane

• D.

Around boom sections

A. Completely around the assembly area
Explanation
Barricades should be placed completely around the assembly area to ensure the safety of the workers and prevent unauthorized entry. This will create a clear boundary and help in controlling access to the area. By placing barricades around the entire assembly area, the risk of accidents or injuries can be minimized, as it will restrict the movement of people and vehicles in close proximity to the work site.

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• 49.

Assembly personnel should check if there is enough timber to _________.

• A.

Chock the wheels of delivery trucks

• B.

Brace the crawlers of the crane

• C.

Block up the boom sections

• D.

C. Block up the boom sections
Explanation
Assembly personnel should check if there is enough timber to block up the boom sections. This is important because blocking up the boom sections helps to stabilize and support the crane during assembly. Without enough timber, the boom sections may not be properly secured, which could lead to safety hazards and potential accidents. Therefore, ensuring that there is an adequate supply of timber is crucial for the successful assembly of the crane.

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• 50.

The crane operator and the assemblers must have ___________.

• A.

The same instruction book

• B.

A way to communicate

• C.

Crane operation training

• D.

B. A way to communicate
Explanation
The crane operator and the assemblers must have a way to communicate in order to coordinate their actions effectively. This is crucial for ensuring the safety and efficiency of the operation. Without clear communication, there is a risk of miscommunication, errors, and accidents. By having a way to communicate, such as through radios or hand signals, the crane operator and assemblers can easily convey instructions, share information, and coordinate their movements, leading to a smooth and successful operation.

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• Current Version
• Mar 22, 2023
Quiz Edited by
ProProfs Editorial Team
• Nov 03, 2016
Quiz Created by
Brandon

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