Boom up - ANSWERWhat action does a signal person intend the operator to perform if he extends his arm at shoulder height, makes a fist with his hand, and sticks his/her thumb up?
1% - ANSWERWhen hoisting personnel, within what percentage of level must a telescopic boom crane be in order for the ...
Boom up - ANSWERWhat action does a signal person intend the operator to perform if he extends
his arm at shoulder height, makes a fist with his hand, and sticks his/her thumb up?
1% - ANSWERWhen hoisting personnel, within what percentage of level must a telescopic boom
crane be in order for the gross ratings in the load chart to remain valid?
The capacity listed in the load chart minus the weight of the rigging and all attachments -
ANSWERWhat is the net capacity of a crane on main boom unless the manufacturer states
otherwise?
It could swing out away from the crane - ANSWERWhat may happen to a properly rigged load when
lifted off the ground unless the operator takes account of boom deflection?
Swing - ANSWERWhat Standard Method hand signal is being illustrated?
Anyone - ANSWERWho should an operator respond to a "stop" signal from?
From the boom hinge pins to the center of the boom tip sheave - ANSWERFrom which two points
should the boom be measured?
the rope runs from the top of the reel to the top of the drum - ANSWERWhat is the preferred
method of installing wire rope from a reel onto a hoist drum?
The fron - ANSWERWhich area do truck cranes without a 5th outrigger generally have no lifting
capacity unless the manufacturer states otherwise?
The distance from the center of rotation of the crane to the center of gravity of the load -
ANSWERWhat is the definition of "operating radius?"
, They are based on the stability of the crane - ANSWERWhat applies to the capacities below the bold
line shown on a load chart?
Over the front - ANSWERIn which quadrant are rough terrain crane capacities generally greater?
It is never okay - ANSWERAccording to federal requirements, under what conditions is it okay for a
person to ride the headache ball?
20%. - ANSWERBy what percentage do most manufacturers require a crane's load chart capacity to
be reduced by for duty cycle operations such as high-volume concrete placement?
Over the rear. - ANSWEROver which quadrant are truck crane capacities usually greater?
The swing radius of the rear of the rotating superstructure - ANSWERAccording to OSHA, which
accessible area of an operating crane must always be barricaded?
1926.1400 - ANSWERWhat is the OSHA regulation governing cranes in construction
As long as it causes no visible distortion that would interfere with safe operations - ANSWERUnder
which circumstance is a crack in the windshield of a crane cab okay?
As long as there is no less hazardous or practicable way - ANSWERUnder which circumstance does
OSHA permits hoisting of personnel by crane?
He/she intends to go ahead - ANSWERWhat is indicated if an operator makes two audible signals
when moving a crane?
On-rubber chart - ANSWERUnless the manufacturer states otherwise, what crane capacity chart is
appropriate when a crane is set up with 3 of its 4 outriggers extended and the fourth is retracted?
50% - ANSWERAccording to OSHA, while hoisting personnel, the total load must not exceed what
percentage of the crane's rated capacity?"
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