What types of power does a category 1 or 4 crane generally use and what is it's source?
A hook is what type of component?
Load-bearing part
Brainpower
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Hydraulic foot brakes are what type of group of components
Load-controlling parts
Load-_____ parts are those that support the load.
Bearing
How is electrical current conveyed from the revolving portion of the crane to the lower crane
structure?
Through the collector ring system
Safety devices that provide protection for personnel and equipment are considered _________
safety devices?
General
, Safety devices that affect the safe load lifting and handling capabilities of the equipment are
considered ______________ safety devices
Operational
which of the following does not affect the safe operation of the crane
General safety devices
A travel alarm is what type of group of components
General safety devices
to find the weight of a aluminum plate, you would multiply...
Square feet times material weight per square foot based on a specified thickness
A triangular shaped 1 inch thick metal plate has a base of a 10 feet and a height of 15 feet.
What is the area of the plate?
75 square feet
A circular shaped 1/2 inch thick aluminum plate has a diameter of 7 feet. What is the area of the
plate rounded up?
39 square feet
A complex shape of 1 inch thick aluminum plate has a rectangular area of 64 square feet and
triangular area of 16 square feet. if aluminum weights 14 pounds per square foot, how much
does the plate weigh (rounded up)
1,200lbs
A complex shape of 1 inch thick aluminum plate measures 6 feet long on the top edge, 8 feet
wide on the left edge , 12 feet long on the bottom edge, ending with a 10 foot long hypotenuse
connecting back to the top edge. What is the correct equation to find the area of the triangular
shape?
8 x 6 /2
the formula for determining the area of a triangular shaped object is
Base x Height divided by 2