NCCCO Lattice Boom General Knowledge 2025 EXAM QUESTIONS AND C
RECT DETAILED ANSWERS WITH (VERIFIED ANSWERS) |ALREADY GRADE
A+||NEWEST VERSION
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1. The lattice boom is designed to take winds of up to 20 2%
mph. from the side plus a full rated load, plus a direct
side load equal to what percent of the rated load?
2. The part of the load chart governed by stability is A. 75%
based on what percentage of capacity while a crawler
crane is working over the side quadrant?
3. The most unstable working quadrant for a crawler Side
crane is the;
4. What type of capacity is listed on a crane load chart? Static
5. If the manufacture of a particular crane does not specif- Don't make any pick and
ically permit pick and carry operations what proce- carry lifts
dure must be followed during this operation?
6. What is the main purpose of a jib/extension? To extend reach higher or
up and over
7. When the number of layers of rope on a drum increase Decreases
the line pull___________.
8. When handling boom sections, the best place for At the pin connections at
slings to be attached is; the ends of the top chords
9. Placing timber blocking under the tips of the tracks on Make the crane more sta-
a crawler crane will; ble
10. What is the major effect of stopping suddenly a rapid Action may cause the crane
swing while operating long boom crane? boom collapse and/or
overturn the crane
1/7
, NCCCO Lattice Boom General Knowledge 2025 EXAM QUESTIONS AND C
RECT DETAILED ANSWERS WITH (VERIFIED ANSWERS) |ALREADY GRADE
A+||NEWEST VERSION
Study online at https://quizlet.com/_hcexrp
11. According to B30.10 hooks shall be removed from ser- 5%
vice when the throat opening exceeds _____ the origi-
nal throat opening.
12. On a crawler crane ground bearing pressure is great- Over the corner
est where?
13. During disassembly of a long boom, the pendant lines The bottom pins ahead of
are connected at the maximum cantilever point and the cantilever point
the boom is slightly lifted off the ground, which boom
connection pins are to be removed next?
14. Most crane manufactures require the load chart capac- 20 mph
ities must be reduced when wind speed reaches;
15. The definition of cantilever of a lattice boom crane is; The boom suspended past
the pendant connections
16. What chart do you use when operating a crane on a List chart
barge;
17. According to OSHA, Jibs must have a positive ________ Stop
from backwards overturning
18. Mobile cranes on barges shall be Physically attached to the
barge
19. When a crane is properly barricaded, what is the clear- 2 feet
ance required all the way around 360 degrees between
the superstructure and the barricade when swung 360
degrees?
2/7
RECT DETAILED ANSWERS WITH (VERIFIED ANSWERS) |ALREADY GRADE
A+||NEWEST VERSION
Study online at https://quizlet.com/_hcexrp
1. The lattice boom is designed to take winds of up to 20 2%
mph. from the side plus a full rated load, plus a direct
side load equal to what percent of the rated load?
2. The part of the load chart governed by stability is A. 75%
based on what percentage of capacity while a crawler
crane is working over the side quadrant?
3. The most unstable working quadrant for a crawler Side
crane is the;
4. What type of capacity is listed on a crane load chart? Static
5. If the manufacture of a particular crane does not specif- Don't make any pick and
ically permit pick and carry operations what proce- carry lifts
dure must be followed during this operation?
6. What is the main purpose of a jib/extension? To extend reach higher or
up and over
7. When the number of layers of rope on a drum increase Decreases
the line pull___________.
8. When handling boom sections, the best place for At the pin connections at
slings to be attached is; the ends of the top chords
9. Placing timber blocking under the tips of the tracks on Make the crane more sta-
a crawler crane will; ble
10. What is the major effect of stopping suddenly a rapid Action may cause the crane
swing while operating long boom crane? boom collapse and/or
overturn the crane
1/7
, NCCCO Lattice Boom General Knowledge 2025 EXAM QUESTIONS AND C
RECT DETAILED ANSWERS WITH (VERIFIED ANSWERS) |ALREADY GRADE
A+||NEWEST VERSION
Study online at https://quizlet.com/_hcexrp
11. According to B30.10 hooks shall be removed from ser- 5%
vice when the throat opening exceeds _____ the origi-
nal throat opening.
12. On a crawler crane ground bearing pressure is great- Over the corner
est where?
13. During disassembly of a long boom, the pendant lines The bottom pins ahead of
are connected at the maximum cantilever point and the cantilever point
the boom is slightly lifted off the ground, which boom
connection pins are to be removed next?
14. Most crane manufactures require the load chart capac- 20 mph
ities must be reduced when wind speed reaches;
15. The definition of cantilever of a lattice boom crane is; The boom suspended past
the pendant connections
16. What chart do you use when operating a crane on a List chart
barge;
17. According to OSHA, Jibs must have a positive ________ Stop
from backwards overturning
18. Mobile cranes on barges shall be Physically attached to the
barge
19. When a crane is properly barricaded, what is the clear- 2 feet
ance required all the way around 360 degrees between
the superstructure and the barricade when swung 360
degrees?
2/7
