NCCCO CRANE CERTIFICATION TEST STUDY GUIDE
Questions and Correct Answers (Verified Answers)
Plus Rationales 2026 Q&A | Instant Download Pdf
Distribute over a larger area. - {✔✔ANSWER✔✔}-What is the
purpose of placing mats or cribbing under outrigger floats?
Upperworks. - {✔✔ANSWER✔✔}-Where is the best location for
leveling a crane?
there is no weight of the crane bearing on any tires -
{✔✔ANSWER✔✔}-Before leveling a mobile crane on outriggers,
an operator should ensure:
,Operating a mobile crane with a long boom, on uneven ground, what
support condition should be considered? - {✔✔ANSWER✔✔}-
Keeping a 90° angle between cylinder rod and pad.
Operating a mobile crane with a long boom, on uneven ground, what
support condition should be considered? - {✔✔ANSWER✔✔}-
Keeping 90° angle between cylinder rod and pad.
When may blocking (cribbing) be placed under outrigger beams on
mobile cranes? - {✔✔ANSWER✔✔}-Never approved.
Mobile cranes should be level to within what percent of grade? -
{✔✔ANSWER✔✔}-1%
Timber crane mats work best when they are: - {✔✔ANSWER✔✔}-
bolted together.
Each outrigger pad and its blocking should be sufficient to support? -
{✔✔ANSWER✔✔}-The total weight of the crane and its load.
How does high wind affect a mobile crane with a long boom? -
{✔✔ANSWER✔✔}-Introduces side load onto the boom
What percentage of the rated capacity of a mobile crane must be used
when lifting with two cranes attached to the same load? -
{✔✔ANSWER✔✔}-75%
, When lifting a load with two mobile cranes, it is very important to: -
{✔✔ANSWER✔✔}-keep the hoist lines of both cranes vertical.
If lifting a load with two mobile cranes of different rated capacities, the
crane with the larger rated capacity should: - {✔✔ANSWER✔✔}-
be hooked at a distance closer to the loads center of gravity.
When is the only time the outrigger beams should be less than fully
extended? - {✔✔ANSWER✔✔}-The load chart indicates that this is
allowed.
What is the primary purpose for a rooster sheave or auxiliary boom
point sheave? - {✔✔ANSWER✔✔}-Separate the load hoist lines.
Eccentric main boom tip reeving causes which of the following: -
{✔✔ANSWER✔✔}-twisting of the main boom.
Which type of wire rope listed below is installed on most cranes? -
{✔✔ANSWER✔✔}-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. -
{✔✔ANSWER✔✔}-1/2 inch.
Questions and Correct Answers (Verified Answers)
Plus Rationales 2026 Q&A | Instant Download Pdf
Distribute over a larger area. - {✔✔ANSWER✔✔}-What is the
purpose of placing mats or cribbing under outrigger floats?
Upperworks. - {✔✔ANSWER✔✔}-Where is the best location for
leveling a crane?
there is no weight of the crane bearing on any tires -
{✔✔ANSWER✔✔}-Before leveling a mobile crane on outriggers,
an operator should ensure:
,Operating a mobile crane with a long boom, on uneven ground, what
support condition should be considered? - {✔✔ANSWER✔✔}-
Keeping a 90° angle between cylinder rod and pad.
Operating a mobile crane with a long boom, on uneven ground, what
support condition should be considered? - {✔✔ANSWER✔✔}-
Keeping 90° angle between cylinder rod and pad.
When may blocking (cribbing) be placed under outrigger beams on
mobile cranes? - {✔✔ANSWER✔✔}-Never approved.
Mobile cranes should be level to within what percent of grade? -
{✔✔ANSWER✔✔}-1%
Timber crane mats work best when they are: - {✔✔ANSWER✔✔}-
bolted together.
Each outrigger pad and its blocking should be sufficient to support? -
{✔✔ANSWER✔✔}-The total weight of the crane and its load.
How does high wind affect a mobile crane with a long boom? -
{✔✔ANSWER✔✔}-Introduces side load onto the boom
What percentage of the rated capacity of a mobile crane must be used
when lifting with two cranes attached to the same load? -
{✔✔ANSWER✔✔}-75%
, When lifting a load with two mobile cranes, it is very important to: -
{✔✔ANSWER✔✔}-keep the hoist lines of both cranes vertical.
If lifting a load with two mobile cranes of different rated capacities, the
crane with the larger rated capacity should: - {✔✔ANSWER✔✔}-
be hooked at a distance closer to the loads center of gravity.
When is the only time the outrigger beams should be less than fully
extended? - {✔✔ANSWER✔✔}-The load chart indicates that this is
allowed.
What is the primary purpose for a rooster sheave or auxiliary boom
point sheave? - {✔✔ANSWER✔✔}-Separate the load hoist lines.
Eccentric main boom tip reeving causes which of the following: -
{✔✔ANSWER✔✔}-twisting of the main boom.
Which type of wire rope listed below is installed on most cranes? -
{✔✔ANSWER✔✔}-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. -
{✔✔ANSWER✔✔}-1/2 inch.
