#1
What is the primary function of a crane rigging?
To lift and move heavy objects safely
To provide stability to the crane
To adjust the crane's height
To control the crane's speed
#2
Which factor affects the stability of a crane the most?
The weight of the load
The crane operator's skill level
The color of the crane
The ambient temperature
#3
What is the purpose of a tagline in crane rigging?
To provide additional support to the load
To control the swing of the load
To secure the crane to the ground
To measure the weight of the load
#4
Which type of crane is most commonly used for lifting and moving materials on construction sites?
Tower crane
Gantry crane
Mobile crane
Crawler crane
#5
What does the term 'load moment' refer to in crane operation?
The weight of the load being lifted
The distance from the crane's center of rotation to the load
The crane's maximum lifting capacity
The speed at which the load is lifted
#6
What is the primary purpose of a crane's counterweight?
To increase fuel efficiency
To stabilize the crane
To reduce the load capacity
To adjust the crane's height
#7
What is the primary purpose of a load chart in crane operation?
To determine the crane's maximum speed
To calculate the crane's fuel consumption
To provide guidelines for safe lifting based on various factors
To assess the crane's structural integrity
#8
What is the recommended maximum wind speed for crane operations?
#9
What does the term 'sling angle' refer to in crane rigging?
The angle between the crane's boom and the ground
The angle formed by the sling and the load
The angle at which the crane operator sits
The angle of elevation of the load
#10
What is the term used to describe the process of gradually lowering a load to the ground?
Hoisting
Rigging
Landing
Lowering
#11
Which factor is NOT considered when determining the load capacity of a crane?
Boom length
Load radius
Wind speed
Crane configuration
#12
Which component of a crane is responsible for hoisting and lowering the load?
#13
What does the term 'outrigger' refer to in crane operation?
A safety device attached to the hook
A type of crane configuration
A stabilizing mechanism extending from the crane's base
A control lever used by the operator
#14
Which of the following is NOT a type of crane stability?
Dynamic stability
Static stability
Operational stability
Structural stability
#15
Which action can improve the stability of a crane on soft ground?
Using larger outrigger pads
Decreasing the counterweight
Increasing the load radius
Raising the boom angle
#16
What is the recommended procedure if a crane makes contact with a power line?
Reverse the crane immediately
Wait for the power line to be deactivated
Continue operating cautiously
Have a qualified professional assess the situation
#17
In crane rigging, what is the purpose of a spreader bar?
To attach multiple slings to a single load
To measure the weight of the load
To control the crane's speed
To extend the reach of the crane's boom
#18
What safety precaution should be taken when working near power lines with a crane?
Maintain a minimum distance from power lines specified by regulations
Increase crane speed to minimize exposure time
Ignore power lines and focus on the load
Use rubber gloves while operating the crane
#19
Why is it important to inspect crane rigging components regularly?
To ensure the load is securely attached
To reduce fuel consumption
To improve the crane's speed
To decrease the load capacity