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114 Cards in this Set
- Front
- Back
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When making a multiple crane lift it is important for the operator to understand that: |
The weight may increase if the other crane lands the load. |
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If a crane is not set-up level and the operator swings a load from the high side to the low side, the load radius will: |
Increase. |
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Most crane manufacturers reduce load capacity for duty cycle operations because: |
Side loading or dynamic forces may occur. |
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On whose recommendations should a preventative maintenance program be set up : |
Crane manufacturer. |
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What is the standard rope used on most cranes? |
Right regular lay |
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The proper way to calibrate a boom angle indicator is: |
Using a level, raise the boom to horizontal and set the indicator at 0 degrees. |
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The red area of an instrument gauge means: |
A dangerous condition exists |
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The best way to keep people from being injured from the counterweight of the crane is to: |
Fence or barricade the swing area of the crane. |
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Only approved attachments or extra counterweights made by the manufacturer should be placed on the rear of the crane because: |
They could cause a backward stability problem. |
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What is the first thing an operator should do before going under a low pipe rack? |
Pose a signal person to check clearance and path of travel. |
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When working on outriggers, the only time they should be less than fully extended is when: |
There is a load chart for this operation. |
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When lifting loads from the water, the operator should be aware that: |
The load will increase when you pick the load from the water. |
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What is required to be on a hydraulic crane in order for it to lift a manbasket? |
Boom length indicator |
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When working on rubber, cranes are rated at what percentage of tipping? |
75% |
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When working on rubber, cranes are rated at what percentage of tipping? |
75% |
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When using cable or nylon slings it is important to remember: |
The lower the sling angle the greater the tension. |
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When working on rubber, cranes are rated at what percentage of tipping? |
75% |
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When using cable or nylon slings it is important to remember: |
The lower the sling angle the greater the tension. |
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Backward stability of a crane is tested with: |
Basic boom at maximum angle with no load. |
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When working on rubber, cranes are rated at what percentage of tipping? |
75% |
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When using cable or nylon slings it is important to remember: |
The lower the sling angle the greater the tension. |
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Backward stability of a crane is tested with: |
Basic boom at maximum angle with no load. |
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If not listed in the load capacity charts for a hydraulic crane and you are in between boom lengths, you should: |
Use the next longer length boom. |
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When working on rubber, cranes are rated at what percentage of tipping? |
75% |
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When using cable or nylon slings it is important to remember: |
The lower the sling angle the greater the tension. |
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Backward stability of a crane is tested with: |
Basic boom at maximum angle with no load. |
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If not listed in the load capacity charts for a hydraulic crane and you are in between boom lengths, you should: |
Use the next longer length boom. |
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When a spinning load presents a danger, the operator should: |
Use a tag line. |
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When working on rubber, cranes are rated at what percentage of tipping? |
75% |
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When using cable or nylon slings it is important to remember: |
The lower the sling angle the greater the tension. |
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Backward stability of a crane is tested with: |
Basic boom at maximum angle with no load. |
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If not listed in the load capacity charts for a hydraulic crane and you are in between boom lengths, you should: |
Use the next longer length boom. |
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When a spinning load presents a danger, the operator should: |
Use a tag line. |
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The job capacity is 8 tons and the ball weighs 900 lbs. what is the heaviest load that can be lifted safely? |
15,100 lbs |
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When working on rubber, cranes are rated at what percentage of tipping? |
75% |
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When using cable or nylon slings it is important to remember: |
The lower the sling angle the greater the tension. |
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Backward stability of a crane is tested with: |
Basic boom at maximum angle with no load. |
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If not listed in the load capacity charts for a hydraulic crane and you are in between boom lengths, you should: |
Use the next longer length boom. |
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When a spinning load presents a danger, the operator should: |
Use a tag line. |
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The job capacity is 8 tons and the ball weighs 900 lbs. what is the heaviest load that can be lifted safely? |
15,100 lbs |
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Parts of line means: |
The number of lines running through the load block. |
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When working on rubber, cranes are rated at what percentage of tipping? |
75% |
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When using cable or nylon slings it is important to remember: |
The lower the sling angle the greater the tension. |
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Backward stability of a crane is tested with: |
Basic boom at maximum angle with no load. |
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If not listed in the load capacity charts for a hydraulic crane and you are in between boom lengths, you should: |
Use the next longer length boom. |
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When a spinning load presents a danger, the operator should: |
Use a tag line. |
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The job capacity is 8 tons and the ball weighs 900 lbs. what is the heaviest load that can be lifted safely? |
15,100 lbs |
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Parts of line means: |
The number of lines running through the load block. |
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If a jib is erected but not being used, it is treated as a deduction from the cranes: |
Gross capacity |
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When working on rubber, cranes are rated at what percentage of tipping? |
75% |
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When using cable or nylon slings it is important to remember: |
The lower the sling angle the greater the tension. |
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Backward stability of a crane is tested with: |
Basic boom at maximum angle with no load. |
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If not listed in the load capacity charts for a hydraulic crane and you are in between boom lengths, you should: |
Use the next longer length boom. |
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When a spinning load presents a danger, the operator should: |
Use a tag line. |
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The jib capacity is 8 tons and the ball weighs 900 lbs. what is the heaviest load that can be lifted safely? |
15,100 lbs |
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Parts of line means: |
The number of lines running through the load block. |
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If a jib is erected but not being used, it is treated as a deduction from the cranes: |
Gross capacity |
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What is the maximum number of broken wires requiring replacement on a standing wire rope? |
2 |
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What are most jibs capacities based on? |
Boom angle/structural capacity |
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What are most jibs capacities based on? |
Boom angle/structural capacity |
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On the majority of conventional cranes the power is transferred to the torque converter by a: |
Master clutch |
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What are most jibs capacities based on? |
Boom angle/structural capacity |
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On the majority of conventional cranes the power is transferred to the torque converter by a: |
Master clutch |
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During disassembly of a long boom, the hog lines are connected at the maximum cantilever point and the boom is slightly lifted off the ground. Which pins are to be removed next? |
The bottom pins ahead of the cantilever point. |
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When using load capacity charts, what does the term A jib angle to ground refer to? |
Main boom angle minus the jibs offset |
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A truck crane is, with outriggers set properly, is rated at what percentage of its tipping capacity? |
85% |
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On a truck crane with the outriggers extended and set, and tires touching the ground, the operator should refer to what load chart? |
On rubber chart |
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When testing a manbasket how long must the test pick be maintained? |
5 minutes |
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According to ANSI B30.5, what is the minimum pitch diameter for load hoisting sheaves |
Not less than 18 times rope diameter |
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According to ANSI B30.5, what is the minimum pitch diameter for load hoisting sheaves |
Not less than 18 times rope diameter |
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According to ANSI B30.5, what is the minimum pitch diameter for boom hoisting sheaves? |
Not less than 18 times rope diameter. |
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According to ANSI B30.5, what is the minimum pitch diameter for load hoisting sheaves |
Not less than 18 times rope diameter |
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According to ANSI B30.5, what is the minimum pitch diameter for boom hoisting sheaves? |
Not less than 18 times rope diameter. |
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According to ANSI B30.5 what is the minimum pitch diameter for load block sheaves? |
Not less than 18 times rope diameter. |
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Seat belts shall be provided in which cranes? |
RT/single station cranes |
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Power is transferred to the swing through a: |
Pinion gear |
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LMIs shall be installed on cranes with a lifting capacity of |
3 tons and above |
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LMIs shall be installed on cranes with a lifting capacity of |
3 tons and above |
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When lifting personnel the cranes hook must be the type that: |
Can be closed and locked |
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When working over water with a man basket are the occupants required to wear a belt/harness? |
No harness or belt required |
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When working over water with a man basket are the occupants required to wear a belt/harness? |
No harness or belt required |
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What is the maximum advisable wind speed for crane operation |
30 mph |
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When working over water with a man basket are the occupants required to wear a belt/harness? |
No harness or belt required |
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What is the maximum advisable wind speed for crane operation |
30 mph |
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When working near powerlines, where should caution stickers be installed? |
At operators station and on the outside of the crane. |
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When working over water with a man basket are the occupants required to wear a belt/harness? |
No harness or belt required |
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What is the maximum advisable wind speed for crane operation |
30 mph |
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When working near powerlines, where should caution stickers be installed? |
At operators station and on the outside of the crane. |
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Jib back lash, how much is allowed? |
5 degrees |
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When working over water with a man basket are the occupants required to wear a belt/harness? |
No harness or belt required |
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What is the maximum advisable wind speed for crane operation |
30 mph |
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When working near powerlines, where should caution stickers be installed? |
At operators station and on the outside of the crane. |
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Jib back lash, how much is allowed? |
5 degrees |
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Cranes must be level to within what % grade. |
1% |
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A crane shift inspection is performed: |
Started at the beginning of the shift and completed during the shift. |
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A monthly crane inspection is: |
Performed each month the crane is in operation. |
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A monthly crane inspection is: |
Performed each month the crane is in operation. |
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Test loads shall not exceed _______ of manufacturers load ratings? |
110% |
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Monthly crane inspection reports must be documented, retained for 3 months and contain: |
Items checked and the results, as well as signature and name of inspector and date. |
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Annual crane inspections must be documented and? |
Inspector name, signed, dated, items inspected and retained for 12 months. |
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Annual crane inspections must be documented and? |
Inspector name, signed, dated, items inspected and retained for 12 months. |
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Personnel platforms in use must have an inspection performed each: |
Day |
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Annual crane inspections must be documented and? |
Inspector name, signed, dated, items inspected and retained for 12 months. |
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Personnel platforms in use must have an inspection performed each: |
Day |
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According to ANSI crane hooks must not be twisted in excess of: |
0 degrees |
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Annual crane inspections must be documented and? |
Inspector name, signed, dated, items inspected and retained for 12 months. |
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Personnel platforms in use must have an inspection performed each: |
Day |
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According to ANSI crane hooks must not be twisted in excess of: |
0 degrees |
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A crane hook throat opening must not exceed: |
5% of its original size |
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Annual crane inspections must be documented and? |
Inspector name, signed, dated, items inspected and retained for 12 months. |
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Personnel platforms in use must have an inspection performed each: |
Day |
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According to ANSI crane hooks must not be twisted in excess of: |
0 degrees |
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A crane hook throat opening must not exceed: |
5% of its original size |
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What is the jib offset? |
Jib angle to the boom |
