Ground conditions must be:
Firm, drained, and graded
Boom deflection will _____ load radius.
increase
1926.1413 (c)(3) states joining lengths of wire rope by _____ is prohibited.
splicing
What type of wire rope must be removed from service when 3 or more broken wires are present in one strand of one lay?
Running or Right regular lay
What two measurements are used to determine the load radius?
Boom length and boom angle
Power lines, gas lines, sand and pot holes are examples of...
Possible site hazards
A boom angle indicator is required on all cranes with ______ booms.
According to OSHA, rope lubricant must not ______ inspection.
hinder
Pendant lines are classified as:
Standing wire rope
The load should be applied when determining the:
Proper boom angle
Minimum distance for setup to an open excavation:
At least 1 times the trench depth to the fulcrum point
On the majority of cranes, power is transferred to the torque converter by a _____.
Master clutch
Tag or restraint line
Type 1 rotation resistant wire rope has a design factor of...
5 to 1
What type of chart is used for cranes that are setup on a barge?
List Chart
What is the maximum elevation change in 25 feet and still be within 1% of grade?
The fluid level in the hydraulic reservoir ______ when the boom is extended.
Cranes manufactured after March 2003 with a rated capacity over 3 tons, must have at least one of these:
Load weighing device
Load moment indicator
Load moment limiter
The minimum design factor for right regular lay boom or hoist wire rope is...
3.5
What happens to the effective weight of the fly/jib when it goes from erected to stowed?
Decreases
Increasing the distance from the crane's center of gravity and the tipping axis will:
Increase stability
Hoist drum flanges need to extend a minimum of ___ over the top layer of wire rope at all times while crane is in operation.
1/2 inch
1926.1431 requires what 5 devices when hoisting personnel? (hint: there's levels to this $h!t)
1. Boom angle indicator
2. Boom hoist limiting device
3. Boom length indicator
4. Anti-Two-Block
5. Controlled load lowering
According to ASME B30.5, in rotation resistant rope, what is a sign of core failure?
Reduction of wire rope
Capacities shown above the bold line, or in the shaded area of a load chart are based on what?
Structural Competence