LATEST MOBILE CRANES EXAM 2024/2025
QUESTIONS WITH 100% CORRECT ANSWERS
T or F
As crane signaling is only a basic function and the signal person knows where the loads will be
positioned, training or testing of the signal person should not be required - CORRECT ANSWER
False
When using hand signals to direct a crane operator, an extended arm with the thumb vertical and the
fingers opening and closing into a fist indicates: - CORRECT ANSWER raise boom and lower the
load
Two closed fists with both thumbs pointing toward each other is the signal for: - CORRECT
ANSWER retract hydraulic boom
Which of the following is not a permitted use of an "operational aid"? - CORRECT ANSWER
used to test weigh a load prior to hoisting
T or F
Any crane component can be used on any other crane made by the same company - CORRECT
ANSWER false
A rough terrain crane is commonly referred to as; - CORRECT ANSWER cherry picker
Which of these conditions could be dangerous when operating a crane around a newly constructed
building? - CORRECT ANSWER uncompacted soil
When hoisting on outriggers with a permitted 360 degree swing, which position is the most hazardous
in most conditions? - CORRECT ANSWER over corner
T or F
The ground pressure under the outriggers is higher than it is under a crawler track because of the
smaller bearing surface - CORRECT ANSWER True
, LATEST MOBILE CRANES EXAM 2024/2025
QUESTIONS WITH 100% CORRECT ANSWERS
An outrigger float should be approximately how much larger that the outrigger pad? - CORRECT
ANSWER 3 times
When setting a a crawler crane for use on a new site, which of the following is not required prior to
use? - CORRECT ANSWER name of the person that will operate the crane
Where should the slings be attached when lifting lattice boom sections? - CORRECT ANSWER
use the end connections
T or F
During crane assembly, the counterweight is mounted after the installation of the complete boom -
CORRECT ANSWER false
When assembling lattice boom sections, which set of pins are installed first? - CORRECT ANSWER
both upper
When installing the boom pins, the pin should be pointing; - CORRECT ANSWER out away from
boom center
When dismantling a lattice boom, which boom pins should be removed first? - CORRECT ANSWER
both lower
T or F
It is safe to climb under a boom to knock out the boom pins if the crane has tension on the pendant
lines - CORRECT ANSWER false
What important step must be followed when welding a damaged crane boom? - CORRECT
ANSWER follow manufactures welding procedure,have a welder certified to the correct welding
procedure, use correct welding rods and heat treatment
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