CORE CERTIFICATION TEST PREP 2026
COMPREHENSIVE STUDY GUIDE
◉ If working near overhead power line and using a tag line, which
type of rope is least conductive to electricity? Answer:
Polypropylene
◉ When working near power lines with the mobile crane, where
does OSHA require caution stickers be installed on all equipment?
Answer: At operators station and 2 on the outside of the equipment.
◉ According to OSHA table T, what is the minimum clearance for
133kV power lines? Answer: 10ft
◉ According to OSHA's table T, what clearance should a mobile crane
IN TRANSIT keep while going under 445kV lines? Answer: 16ft
◉ According to OSHA when is it safe to hoist loads with a mobile
crane below energized power lines? Answer: When the fully
extended boom can't reach the prohibited zone.
◉ According to OSHA 1926. 1411, when you encounter power lines
with a voltage of 44kV and the crane is TRAVELING, according to
Table T, what is the minimum required clearance? Answer: 6ft
, ◉ According to OSHA, mobile crane load block hooks must not have
a twist in excess of: Answer: 0
◉ According to OSHA, mobile crane load blocks hooks must not have
a throat opening in excess of: Answer: 5%
◉ When correctly installing U-bolt type wire rope clips, the U
portion of the clip shall be on: Answer: the dead or short end
◉ What is the angle between the top of the load and the sling leg
referred to in sling load charts? Answer: Horizontal sling angle
◉ When installing a wedge socket, it must be attached with the load
line pulling in a straight line from the: Answer: pin
◉ What is the purpose of placing mats or cribbing under outrigger
floats? Answer: Distribute the force over a larger area
◉ Where is the best location for leveling a crane? Answer:
Upperworks
◉ When may blocking (cribbing) be placed under outrigger beams
on mobile cranes? Answer: Never approved
COMPREHENSIVE STUDY GUIDE
◉ If working near overhead power line and using a tag line, which
type of rope is least conductive to electricity? Answer:
Polypropylene
◉ When working near power lines with the mobile crane, where
does OSHA require caution stickers be installed on all equipment?
Answer: At operators station and 2 on the outside of the equipment.
◉ According to OSHA table T, what is the minimum clearance for
133kV power lines? Answer: 10ft
◉ According to OSHA's table T, what clearance should a mobile crane
IN TRANSIT keep while going under 445kV lines? Answer: 16ft
◉ According to OSHA when is it safe to hoist loads with a mobile
crane below energized power lines? Answer: When the fully
extended boom can't reach the prohibited zone.
◉ According to OSHA 1926. 1411, when you encounter power lines
with a voltage of 44kV and the crane is TRAVELING, according to
Table T, what is the minimum required clearance? Answer: 6ft
, ◉ According to OSHA, mobile crane load block hooks must not have
a twist in excess of: Answer: 0
◉ According to OSHA, mobile crane load blocks hooks must not have
a throat opening in excess of: Answer: 5%
◉ When correctly installing U-bolt type wire rope clips, the U
portion of the clip shall be on: Answer: the dead or short end
◉ What is the angle between the top of the load and the sling leg
referred to in sling load charts? Answer: Horizontal sling angle
◉ When installing a wedge socket, it must be attached with the load
line pulling in a straight line from the: Answer: pin
◉ What is the purpose of placing mats or cribbing under outrigger
floats? Answer: Distribute the force over a larger area
◉ Where is the best location for leveling a crane? Answer:
Upperworks
◉ When may blocking (cribbing) be placed under outrigger beams
on mobile cranes? Answer: Never approved
