If the operator is setting up the crane alone, which of the following is required?
A. Overhead power lines must be at least 10ft over the boom
B. Wind speed cannot exceed on the Beaufort
C. The red cones designating the work zone must be set up
D. Stabilizers shall be visible to the operator...
Crane practice test #3
QUESTIONS & SOLUTIONS
If the operator is setting up the crane alone, which of the following is required?
A. Overhead power lines must be at least 10ft over the boom
B. Wind speed cannot exceed on the Beaufort
C. The red cones designating the work zone must be set up
D. Stabilizers shall be visible to the operator when extending and setting -
ANSWER D. Stabilizers shall be visible to the operator when extending and setting
Before the boom is un-stowed from the transport position which of the following
is most important
A. Wheel chock are set
B. Barricade tape is installed around the work zone
C. Stabilizers are properly extended and set
D. Engine oil level has been checked - ANSWER C
Prior to setting up the crane for a lift, what is one thing the operator should do?
A. Fill out the truck log
B. Perform a function of all the boom controls
C. Extend stabilizer on the lifting side of the Crane
D. Make sure the ground will support the weight of the crane and load - ANSWER
D
, What is the minimum clearance when traveling under energized power lines of
50kv
A. 4ft
B. 6ft
C. 8ft
D. 10ft - ANSWER B
When working within a booms length of the prohibited zone, what is required?
A. A spotter
B. Proximity warning devices on the crane
C. An insulating link between the hook and rigging
D. Cones outlining the prohibited zone - ANSWER A
When determining a safe distance from energized power lines during a lift, what is
one thing that should be taken into consideration?
A. How many wires are in the stanchion
B. Whether the voltage is more or less than 42.5kv
C. Wire sway or whipping from the wind
D. Rigging type - ANSWER C
Who has the authority to determine that overhead power line are de-energized?
A. The crane owner
B. The job supervisor
C. The power utility
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