NCCCO #6 EXAM GUIDE QUESTIONS
WITH COMPLETE ANSWERS
When assembling a crane you can lift the boom sections by rigging the chokers
around? - ANSWER -None of the above
Where is the best location for leveling a crane? - ANSWER -Upperworks
During setup how do you determine machine clearances (counterweight, boom, and
outrigger)? - ANSWER -Measure for correct distance
What is not a good location for crane setup? - ANSWER -Above utilities
All hazards and potential problems should be discovered during the: - ANSWER -a. Pre-
lift site inspection
When setting up a crane in an area that has public access you should barricade: -
ANSWER -The working radius
Blocking can be placed under the ends of tracks to: - ANSWER -increase the crane's
stability when operating over front or back
On a lattice boom crawler crane, the main boom length is measured from the: -
ANSWER -center of the boom heel pins to the center of the boom tip sheave.
When blocking under a mobile crane outrigger float, the block should be - ANSWER -
Parallel and tightly spaced
What effect does the proper use of mats, blocking or cribbing, and outriggers or
crawlers have to the suitability of the supporting surface. - ANSWER -Better distributes
and lessens loads on the supporting surface
Pre-operational inspections are necessary and required: - ANSWER -To enhance
cranes safety by discovering discrepancies prior to operating
When assembling or dismantling lattice booms, it is safe to work under the boom: -
ANSWER -None of the above
Why use mats or cribbing? - ANSWER -To reduce ground pressure
When installing the boom pins, the pin should be pointing: - ANSWER -Out away from
boom center
WITH COMPLETE ANSWERS
When assembling a crane you can lift the boom sections by rigging the chokers
around? - ANSWER -None of the above
Where is the best location for leveling a crane? - ANSWER -Upperworks
During setup how do you determine machine clearances (counterweight, boom, and
outrigger)? - ANSWER -Measure for correct distance
What is not a good location for crane setup? - ANSWER -Above utilities
All hazards and potential problems should be discovered during the: - ANSWER -a. Pre-
lift site inspection
When setting up a crane in an area that has public access you should barricade: -
ANSWER -The working radius
Blocking can be placed under the ends of tracks to: - ANSWER -increase the crane's
stability when operating over front or back
On a lattice boom crawler crane, the main boom length is measured from the: -
ANSWER -center of the boom heel pins to the center of the boom tip sheave.
When blocking under a mobile crane outrigger float, the block should be - ANSWER -
Parallel and tightly spaced
What effect does the proper use of mats, blocking or cribbing, and outriggers or
crawlers have to the suitability of the supporting surface. - ANSWER -Better distributes
and lessens loads on the supporting surface
Pre-operational inspections are necessary and required: - ANSWER -To enhance
cranes safety by discovering discrepancies prior to operating
When assembling or dismantling lattice booms, it is safe to work under the boom: -
ANSWER -None of the above
Why use mats or cribbing? - ANSWER -To reduce ground pressure
When installing the boom pins, the pin should be pointing: - ANSWER -Out away from
boom center
