Crane Practice Test #3 Exam Questions with Correct Answers
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Module
Nccer mobile crane
Institution
Nccer Mobile Crane
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 Exam Questions
with Correct Answers
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
D. The crane operator - Answer-C
What is the minimum clearance from energized power lines when traveling?
A. 1ft
B. 4ft
C. 6ft
D. 10ft - Answer-B
Which of the following standards pertain to articulating boom cranes?
A. ASME B-30.5
B ASME B30.9
C ASME B30.22
D. ASME B30.23 - Answer-C
Where should the loads center of gravity be when lifting with forks?
A. 15% of the load center is allowed beyond the forks
B directly over one of the forks
C on or between the forks
D immaterial, as long as the load doesn't fail - Answer-C
ancillary lifting attachments capacities
A. Are always the same as the crane capacity
B. May be less than the crane rating
C. Do not matter in calculating capacity
D. Area added to net load to determine gross load - Answer-B
Wall board forks are not approved for
A. Slings
B. Lumber
C. Material on pallets
D. Drywall - Answer-A
If you must lift loads of various sizes durning the job you should
A. Never touch the fork width adjustment
B. Use slings for the odds sizes
C. Adjust the width of the fork tones as required to assure proper load balance
D. Put smaller loads on top of larger loads so they remain stable - Answer-C
overloading the fork assembly could cause
A. Uncontrollable fork opening
B. A much more stable crane
C. Improved static performance
D. The inherent safety factor prevents overloading - Answer-A
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