Mobile Cranes No. 2 | 100% Correct Answers
| Verified | Latest 2024 Version
According to ASME B30.10 any hook having wear exceeding __________% shall be removed from service
- ✔✔10%
According to OSHA 1926.1412 what type of inspection is not required to be performed on cranes? -
✔✔Quarterly
Which of the following listed below shall not be used for suspension systems for personnel platforms? -
✔✔Synthetic Web bridle
According to OSHA 1926.1408, Option #2 (20 foot clearance rule) what is the maximum voltage you may
work around? - ✔✔350kV
According to OSHA 1926 subpart CC, when working around power lines over 1000 kV the minimum
clearance is set by - ✔✔Utility company owning power lines
According to OSHA who should never be in the fall zone? - ✔✔Signal person evaluator
According to most manufacturers when performing assembly or disassembly of booms what type of
slings should be used? - ✔✔Synthetic Slings
When performing crane operations near new excavation what could cause it to collapse? - ✔✔Vibration
What type of material should not be used around synthetic slings? - ✔✔Acid
According to ASME B30.10 any hook having distortion causing an increase in throat opening of more
than 5%, or exceeding 1/4 inch, shall be? - ✔✔Repaired or replaced
Electrocution is the number one cause of fatalaties associated with cranes, Does the boom, load line, or
load have to physically contact a power line for electrocution to occur? - ✔✔No
, According to B30.10 crane hooks must not be twisted in excess of.... - ✔✔0 degrees
According to B30.10 crane hooks throat opening must not exceed: - ✔✔5% of its original size
Which of the following is required as per 1926.1433 - ✔✔fire extinguisher
What is the leading cause of fatalities to ground crews working around cranes - ✔✔Electrocution
What is a two leg bridle - ✔✔Two wire rope slings attached by a lifting ring
Crane configuration includes - ✔✔Reeving, boom length, counterweight, on outrigger or on rubber,
extensions or jibs stowed or mounted, offsets, and wire rope type or construction
Net capacity is equal to? - ✔✔Gross capacity minus deductions
Jib offset is the jib angle to the: - ✔✔Boom
Using a range diagram, boom length and angle can be used to determine? - ✔✔Load radius
A crane with a 120 ft boom will be operating at a 42 ft radius. The load chart has a capacity at 40 ft radius
and one at 45 ft radius. Which radius will you use to find the gross capacity? - ✔✔45 ft
A truck crane operating with outriggers fully extended and set, does not have its front outrigger set, the
operator should? - ✔✔Refer to the manufacturers working area diagram
If determining boom tip elevation in necessary, the best way to determine this is to? - ✔✔Use the range
diagram
Prior to moving a crane onto the job site, the operator should first determine the condition of the? -
✔✔Access roads
| Verified | Latest 2024 Version
According to ASME B30.10 any hook having wear exceeding __________% shall be removed from service
- ✔✔10%
According to OSHA 1926.1412 what type of inspection is not required to be performed on cranes? -
✔✔Quarterly
Which of the following listed below shall not be used for suspension systems for personnel platforms? -
✔✔Synthetic Web bridle
According to OSHA 1926.1408, Option #2 (20 foot clearance rule) what is the maximum voltage you may
work around? - ✔✔350kV
According to OSHA 1926 subpart CC, when working around power lines over 1000 kV the minimum
clearance is set by - ✔✔Utility company owning power lines
According to OSHA who should never be in the fall zone? - ✔✔Signal person evaluator
According to most manufacturers when performing assembly or disassembly of booms what type of
slings should be used? - ✔✔Synthetic Slings
When performing crane operations near new excavation what could cause it to collapse? - ✔✔Vibration
What type of material should not be used around synthetic slings? - ✔✔Acid
According to ASME B30.10 any hook having distortion causing an increase in throat opening of more
than 5%, or exceeding 1/4 inch, shall be? - ✔✔Repaired or replaced
Electrocution is the number one cause of fatalaties associated with cranes, Does the boom, load line, or
load have to physically contact a power line for electrocution to occur? - ✔✔No
, According to B30.10 crane hooks must not be twisted in excess of.... - ✔✔0 degrees
According to B30.10 crane hooks throat opening must not exceed: - ✔✔5% of its original size
Which of the following is required as per 1926.1433 - ✔✔fire extinguisher
What is the leading cause of fatalities to ground crews working around cranes - ✔✔Electrocution
What is a two leg bridle - ✔✔Two wire rope slings attached by a lifting ring
Crane configuration includes - ✔✔Reeving, boom length, counterweight, on outrigger or on rubber,
extensions or jibs stowed or mounted, offsets, and wire rope type or construction
Net capacity is equal to? - ✔✔Gross capacity minus deductions
Jib offset is the jib angle to the: - ✔✔Boom
Using a range diagram, boom length and angle can be used to determine? - ✔✔Load radius
A crane with a 120 ft boom will be operating at a 42 ft radius. The load chart has a capacity at 40 ft radius
and one at 45 ft radius. Which radius will you use to find the gross capacity? - ✔✔45 ft
A truck crane operating with outriggers fully extended and set, does not have its front outrigger set, the
operator should? - ✔✔Refer to the manufacturers working area diagram
If determining boom tip elevation in necessary, the best way to determine this is to? - ✔✔Use the range
diagram
Prior to moving a crane onto the job site, the operator should first determine the condition of the? -
✔✔Access roads
