#1
What is the primary function of a crane?
Transporting materials vertically
ExplanationVertical material transportation.
#2
Which of the following is a safety precaution when operating a crane?
Regularly inspecting equipment
ExplanationRegular equipment inspections for safety.
#3
What is the typical function of a counterweight on a crane?
To stabilize the crane
ExplanationCounterweight for crane stability.
#4
What is the recommended procedure for dealing with power line hazards when operating a crane?
Keep the crane's boom and load at least 10 feet away
ExplanationMaintain distance from power lines.
#5
What does 'SWL' stand for in crane operation?
Safe Working Load
ExplanationSafe Working Load abbreviation.
#6
What is the purpose of a 'crane hand signal'?
To communicate with the operator using gestures
ExplanationGestural communication with crane operator.
#7
What does the term 'rigging' refer to in crane operation?
The act of securing the load to be lifted
ExplanationSecuring the load before lifting.
#8
Which type of crane provides the greatest mobility?
Crawler crane
ExplanationCrawler crane offers high mobility.
#9
In crane terminology, what does 'boom length' refer to?
The length of the horizontal arm of the crane
ExplanationLength of the crane's horizontal arm.
#10
What is a 'load chart' used for in crane operation?
Determining the maximum weight a crane can lift at various distances and heights
ExplanationMax lifting capacity at different distances and heights.
#11
What does 'load moment' refer to in crane operation?
The combination of load weight and distance from the crane's center
ExplanationLoad weight and distance from center combo.
#12
Why is it important to conduct regular inspections of crane wire ropes?
To prevent corrosion
ExplanationInspections prevent wire rope corrosion.
#13
What is the purpose of an outrigger on a crane?
To stabilize the crane
ExplanationStabilizing the crane with an outrigger.
#14
Why is it important for crane operators to be aware of wind conditions?
To prevent tipping over or instability
ExplanationAwareness to avoid instability due to wind.
#15
What is the purpose of a 'crane load chart'?
To determine the maximum load capacity based on boom length and radius
ExplanationMax load capacity based on boom length and radius.
#16
What is the primary reason for conducting pre-operation inspections of a crane?
To fulfill regulatory requirements
ExplanationMeeting regulatory inspection mandates.
#17
What is the primary function of a 'load moment limiter' (LML) on a crane?
To prevent the crane from tipping over by monitoring the load's position
ExplanationPrevents tipping by monitoring load position.