Answers | Latest 2024/2025. _;- _;- _;- _;-
According to federal requirements, under what conditions is it
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okay for a person to ride the headache ball?
_;- _;- It is never okay
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Where should the crane's outrigger pads or tracks be placed
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when working at ground floor level near a cellar wall?
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least as far back as the depth of the wall below ground
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By what percentage do most manufacturers require a crane's
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load chart capacity to be reduced by for duty cycle operations
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such as high-volume concrete placement?
_;- _;- 20%. _;- _;- _;-_;- _;-
From which two points should the boom be measured?
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From the boom hinge pins to the center of the boom tip sheave
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What is the preferred method of installing wire rope from a reel
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onto a hoist drum?
_;- the rope runs from the top of the reel
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to the top of the drum
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, Over which quadrant are truck crane capacities usually greater?
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Over the rear.
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What may happen to a properly rigged load when lifted off the
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ground unless the operator takes account of boom deflection?
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It could swing out away from the crane
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What Standard Method hand signal is being illustrated?
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Swing
Who should an operator respond to a "stop" signal from?
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Anyone
Which area do truck cranes without a 5th outrigger generally
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have no lifting capacity unless the manufacturer states
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otherwise? The fron _;-_;- _;- _;-
What is the definition of "operating radius?"
_;- _;- The distance
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from the center of rotation of the crane to the center of gravity
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of the load
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What applies to the capacities below the bold line shown on a
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load chart? They are based on the stability of the crane
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