NCCCO CORE EXAM WITH ACCURATE
QUESTIONS AND ANSWERS
(VERIFIED ANSWER) | LATEST
(2026/2027) UPDATED VERSION |
100% GUARANTEED PASS
{JUST RELEASED}
1. Before leveling a mobile crane on outriggers, an operator should ensure: -
ANSWER ✓ there is no weight of the crane bearing on any tires
2. Operating a mobile crane with a long boom, on uneven ground, what support
condition should be considered? - ANSWER ✓ Keeping 90 degree angle
between cylinder rod and pad
3. What is the primary purpose fir a rooster sheave or auxiliary boom point
sheave? - ANSWER ✓ Separate the boom hoist lines
4. How many randomly broken wires in a lay length must there be on a mobile
cranes hoist line, before it should be removed from service? - ANSWER ✓ 6
,5. On a mobile crane, how many broken wires are permitted at the end
connection of a pendent before it must be taken out of service? - ANSWER ✓ 1
6. Type 1 rotation resistant hoist wire rope has a design factor of: - ANSWER ✓ 5
to 1
7. How many randomly distributed broken wires in rotation- resistant hoist wire
rope are considered for replacement? - ANSWER ✓ 2 broken wires in 6 rope
diameters
8. The term net capacity is best defined by which of the terms listed below? -
ANSWER ✓ Gross capacity minus capacity deductions
9. Mobile cranes that are set up on barges, shall have a list chart provided by
which of the entities listed below? - ANSWER ✓ Manufacturer
10. When lifting loads on tires, mobile cranes are rated at what percentage of
tipping? - ANSWER ✓ 75%
11. How does the effective weight of a slowed extension relate to the actual weight
of the extension? - ANSWER ✓ Higher than the actual weight.
, 12. When load radius is between radii values, the operator must use the: -
ANSWER ✓ longer radius
13. Why should only approved attachments or extra counterweights provided by
the manufacturer be placed on the rear of the crane? - ANSWER ✓ They could
cause a backward stability problem.
14. A mobile crane's jib is offset 15º versus its original 0º offset, but the boom
angle remains unchanged. In this situation, the load radius: - ANSWER ✓
increases
15. Abruptly stopping a rapid swing on a long-boom mobile crane will produce
what major effect? - ANSWER ✓ Collapsing the boom.
16. When determining the position to a mobile crane should be left in over night,
when high winds in the forecast the operator should: - ANSWER ✓ Follow the
manufacturers recommendations.
17. If a mobile crane is NOT set-up level and the operator swings the load from
the high side to the low side, what effect will that have on the radius? -
ANSWER ✓ The radius increase.
QUESTIONS AND ANSWERS
(VERIFIED ANSWER) | LATEST
(2026/2027) UPDATED VERSION |
100% GUARANTEED PASS
{JUST RELEASED}
1. Before leveling a mobile crane on outriggers, an operator should ensure: -
ANSWER ✓ there is no weight of the crane bearing on any tires
2. Operating a mobile crane with a long boom, on uneven ground, what support
condition should be considered? - ANSWER ✓ Keeping 90 degree angle
between cylinder rod and pad
3. What is the primary purpose fir a rooster sheave or auxiliary boom point
sheave? - ANSWER ✓ Separate the boom hoist lines
4. How many randomly broken wires in a lay length must there be on a mobile
cranes hoist line, before it should be removed from service? - ANSWER ✓ 6
,5. On a mobile crane, how many broken wires are permitted at the end
connection of a pendent before it must be taken out of service? - ANSWER ✓ 1
6. Type 1 rotation resistant hoist wire rope has a design factor of: - ANSWER ✓ 5
to 1
7. How many randomly distributed broken wires in rotation- resistant hoist wire
rope are considered for replacement? - ANSWER ✓ 2 broken wires in 6 rope
diameters
8. The term net capacity is best defined by which of the terms listed below? -
ANSWER ✓ Gross capacity minus capacity deductions
9. Mobile cranes that are set up on barges, shall have a list chart provided by
which of the entities listed below? - ANSWER ✓ Manufacturer
10. When lifting loads on tires, mobile cranes are rated at what percentage of
tipping? - ANSWER ✓ 75%
11. How does the effective weight of a slowed extension relate to the actual weight
of the extension? - ANSWER ✓ Higher than the actual weight.
, 12. When load radius is between radii values, the operator must use the: -
ANSWER ✓ longer radius
13. Why should only approved attachments or extra counterweights provided by
the manufacturer be placed on the rear of the crane? - ANSWER ✓ They could
cause a backward stability problem.
14. A mobile crane's jib is offset 15º versus its original 0º offset, but the boom
angle remains unchanged. In this situation, the load radius: - ANSWER ✓
increases
15. Abruptly stopping a rapid swing on a long-boom mobile crane will produce
what major effect? - ANSWER ✓ Collapsing the boom.
16. When determining the position to a mobile crane should be left in over night,
when high winds in the forecast the operator should: - ANSWER ✓ Follow the
manufacturers recommendations.
17. If a mobile crane is NOT set-up level and the operator swings the load from
the high side to the low side, what effect will that have on the radius? -
ANSWER ✓ The radius increase.
