NCCCO CORE MAIN EXAMINATION 2026 SET
QUESTIONS AND ANSWERS SURE A+
✔✔According to OSHA when is it safe to hoist loads with a mobile crane below
energized power lines? - ✔✔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? - ✔✔6ft
✔✔According to OSHA, mobile crane load block hooks must not have a twist in excess
of: - ✔✔0
✔✔According to OSHA, mobile crane load blocks hooks must not have a throat opening
in excess of: - ✔✔5%
✔✔When correctly installing U-bolt type wire rope clips, the U portion of the clip shall be
on: - ✔✔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? - ✔✔Horizontal sling angle
, ✔✔When installing a wedge socket, it must be attached with the load line pulling in a
straight line from the: - ✔✔pin
✔✔What is the purpose of placing mats or cribbing under outrigger floats? -
✔✔Distribute the force over a larger area
✔✔Where is the best location for leveling a crane? - ✔✔Upperworks
✔✔When may blocking (cribbing) be placed under outrigger beams on mobile cranes? -
✔✔Never approved
✔✔Mobile cranes should be level to within what percent of grade? - ✔✔1%
✔✔Timber crane mats work best when they are - ✔✔Bolted together
✔✔When arriving in the crane at the job site, the operator should first determine the
condition of - ✔✔access roads
✔✔What surface listed below would NOT be a good location for assembly or setup of a
mobile crane? - ✔✔Above underground vaults
✔✔Each outrigger pad and its blocking should be sufficient to support? - ✔✔The total
weight of the crane and its load
✔✔How does high wind affect a mobile crane with a long boom? - ✔✔Introduces side
load onto the boom
✔✔When is the only time the outrigger beams should be less than fully extended? -
✔✔The load chart indicates that this is allowed.
✔✔Eccentric main boom tip reeving causing which of the following: - ✔✔Twisting of the
main boom
✔✔Which type of wire rope listed below is installed on most cranes? - ✔✔Right regular
lay
✔✔The hoist drum flange shall extend a minimum of ________ over the top layer of
wire rope at all times while crane is in operation. - ✔✔1/2 inch
✔✔Which of the following is classified as a standing wire rope? - ✔✔Pendant line.
QUESTIONS AND ANSWERS SURE A+
✔✔According to OSHA when is it safe to hoist loads with a mobile crane below
energized power lines? - ✔✔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? - ✔✔6ft
✔✔According to OSHA, mobile crane load block hooks must not have a twist in excess
of: - ✔✔0
✔✔According to OSHA, mobile crane load blocks hooks must not have a throat opening
in excess of: - ✔✔5%
✔✔When correctly installing U-bolt type wire rope clips, the U portion of the clip shall be
on: - ✔✔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? - ✔✔Horizontal sling angle
, ✔✔When installing a wedge socket, it must be attached with the load line pulling in a
straight line from the: - ✔✔pin
✔✔What is the purpose of placing mats or cribbing under outrigger floats? -
✔✔Distribute the force over a larger area
✔✔Where is the best location for leveling a crane? - ✔✔Upperworks
✔✔When may blocking (cribbing) be placed under outrigger beams on mobile cranes? -
✔✔Never approved
✔✔Mobile cranes should be level to within what percent of grade? - ✔✔1%
✔✔Timber crane mats work best when they are - ✔✔Bolted together
✔✔When arriving in the crane at the job site, the operator should first determine the
condition of - ✔✔access roads
✔✔What surface listed below would NOT be a good location for assembly or setup of a
mobile crane? - ✔✔Above underground vaults
✔✔Each outrigger pad and its blocking should be sufficient to support? - ✔✔The total
weight of the crane and its load
✔✔How does high wind affect a mobile crane with a long boom? - ✔✔Introduces side
load onto the boom
✔✔When is the only time the outrigger beams should be less than fully extended? -
✔✔The load chart indicates that this is allowed.
✔✔Eccentric main boom tip reeving causing which of the following: - ✔✔Twisting of the
main boom
✔✔Which type of wire rope listed below is installed on most cranes? - ✔✔Right regular
lay
✔✔The hoist drum flange shall extend a minimum of ________ over the top layer of
wire rope at all times while crane is in operation. - ✔✔1/2 inch
✔✔Which of the following is classified as a standing wire rope? - ✔✔Pendant line.
