CCO practice test questions with 100%
correct answers 2024/2025
Before crane erection can begin what must be available? - ANSWERSsurface that is firm, drained and
graded
OSHA 29 CFR 1926.1407 Power Line Safety, Option 1 requires what? - ANSWERSPower lines are de-
energize and grounded
Before work can begin for a newly erected tower crane what must be done before the crane can begin
working? - ANSWERSset load motion limits and safety devices
What type of attachment system is used to hold a personnel platform to the crane hook? -
ANSWERSMaster link attachment or safety type shackle
When should a personnel platform be used? - ANSWERSThere is no other safe way to perform the task
OSHA, Cranes and Derricks working in Construction is under what regulation? - ANSWERSOSHA 29 CFR
1926.550
What is the Safety Factor for suspended platform and shackles? - ANSWERS5 to 1
What ASME Standard applies to personnel platforms? - ANSWERSB 30.23
Annual inspection records must be kept for how long? - ANSWERS12 months
What ASME Standard applies to Tower Cranes? - ANSWERSB 30.3
Expendable tower base, the tolerance for "plumb" is? - ANSWERS¼ - 10ft.
, Free standing Hammerhead tower crane mast will be "plumbed" to a tolerance of - ANSWERS1 inch=
40ft.
Before crane components are erected they shall be: - ANSWERSVisually inspected for damage from
shipping and handling
Where would the insulating link device be attached? - ANSWERSAttached or installed at the end of load
line and the load
Annual/comprehensive inspection must include the qualified person to perform what? -
ANSWERSFunctional motion testing of the equipment
Rail buffers or rail stops must be placed how far from the end of the travel tracks? - ANSWERS3 ft
Internal climbing crane must be plumbed by using what to hold crane in position? - ANSWERSWedges
What is the maximum rate of wind speed allowed to climb a tower crane? - ANSWERS20 mph
during erection or dismantling operations, who must always be present? - ANSWERSAD director
How many wraps shall remain on the hoist drum according to the Tower Crane Reference Manual? -
ANSWERS3 wraps on the hoist drum
Personnel Platform must be Proof Tested each day before use, how much weight is used and how long
must the test last for? - ANSWERS125% and hold for 5 minutes
OSHA 1926.1407 power line requirements for 1000kv are? - ANSWERSRemain 20' or more from lines
Standing rope or pendant lines must have the following minimum design factor of? - ANSWERS3:1
correct answers 2024/2025
Before crane erection can begin what must be available? - ANSWERSsurface that is firm, drained and
graded
OSHA 29 CFR 1926.1407 Power Line Safety, Option 1 requires what? - ANSWERSPower lines are de-
energize and grounded
Before work can begin for a newly erected tower crane what must be done before the crane can begin
working? - ANSWERSset load motion limits and safety devices
What type of attachment system is used to hold a personnel platform to the crane hook? -
ANSWERSMaster link attachment or safety type shackle
When should a personnel platform be used? - ANSWERSThere is no other safe way to perform the task
OSHA, Cranes and Derricks working in Construction is under what regulation? - ANSWERSOSHA 29 CFR
1926.550
What is the Safety Factor for suspended platform and shackles? - ANSWERS5 to 1
What ASME Standard applies to personnel platforms? - ANSWERSB 30.23
Annual inspection records must be kept for how long? - ANSWERS12 months
What ASME Standard applies to Tower Cranes? - ANSWERSB 30.3
Expendable tower base, the tolerance for "plumb" is? - ANSWERS¼ - 10ft.
, Free standing Hammerhead tower crane mast will be "plumbed" to a tolerance of - ANSWERS1 inch=
40ft.
Before crane components are erected they shall be: - ANSWERSVisually inspected for damage from
shipping and handling
Where would the insulating link device be attached? - ANSWERSAttached or installed at the end of load
line and the load
Annual/comprehensive inspection must include the qualified person to perform what? -
ANSWERSFunctional motion testing of the equipment
Rail buffers or rail stops must be placed how far from the end of the travel tracks? - ANSWERS3 ft
Internal climbing crane must be plumbed by using what to hold crane in position? - ANSWERSWedges
What is the maximum rate of wind speed allowed to climb a tower crane? - ANSWERS20 mph
during erection or dismantling operations, who must always be present? - ANSWERSAD director
How many wraps shall remain on the hoist drum according to the Tower Crane Reference Manual? -
ANSWERS3 wraps on the hoist drum
Personnel Platform must be Proof Tested each day before use, how much weight is used and how long
must the test last for? - ANSWERS125% and hold for 5 minutes
OSHA 1926.1407 power line requirements for 1000kv are? - ANSWERSRemain 20' or more from lines
Standing rope or pendant lines must have the following minimum design factor of? - ANSWERS3:1
