A floating crane with a capacity of 200,000lbs. is a ________________ crane. - Answer- Category 1
What is the category of a jib crane with a capacity
... [Show More] of less than 20,000 pounds? - Answer- Category 3
An OET, Bridge crane with a capacity of 80,000lbs. is a ________________ crane. - Answer- Category 2
A commercial truck mounted crane with a capacity of 14,000 lbs. is a __________ crane. - Answer- category 4
What types of power does a Category 1 or 4 crane generally use and what is its source? - Answer- Electric or hydraulic power supplied by a diesel engine
Load - ________ parts are those that restrain position or control the movement of the load. - Answer- controling
A hook is what type of component? - Answer- Load-Bearing Part
Hydraulic foot brakes are what type or group of components? - Answer- Load-Controlling Parts
Load - _____________ parts are those that support the load. - Answer- bearing
How is electrical current conveyed from the revolving portion of the crane to the lower crane structure? - Answer- Through the collector ring system
Safety devices that provide protection for personnel and equipment are considered _____________ safety devices. - Answer- general
Safety devices that affect the safe load lifting and handling capabilities of equipment are considered __________________ safety devices. - Answer- operational
Which of the following does not affect the safe operation of the crane? - Answer- General Safety Devices
A travel alarm is what type or group of components? - Answer-
A travel alarm is what type or group of components? - Answer- General Safety Device
During the walk around check you notice a loose bolt on the crane. You should: - Answer- Notify your supervisor of the deficiency.
The crane Pre-use Check consists of: - Answer- A walk around visual check
Performing a "No load" operational
It is the operator's responsibility to report a deficiency to the Crane Department. - Answer- false
Deficiencies are required to be reported by the end of the shift. - Answer- false
If the upper limit switch is working correctly, there is no need to check the lower limit switch. - Answer- fasle
Part of the no load operational check is to ensure the proper _________ of all controls. - Answer- function
What is the most important reason to do a pre-use check? - Answer- To make sure the crane is safe to use.
Documented checks are required for which of the following Category 3 cranes? - Answer- gantry
wall
bridge
Place the steps listed in the correct order to check the Upper Limit Switch on a hoist. - Answer- Raise hoist two feet below switch & stop
2.Slowly raise hook block into switch
3.Ensure hoist stops with button depressed
There must always be a minimum of _________ full wraps of wire rope on grooved drums. - Answer- 2
Part of the walk around check is to look for ___________. - Answer- deficiencies
The minimum number of wraps of wire rope required on non-grooved drums is __________. - Answer- 3
What is the purpose of a hoist upper limit switch? - Answer- To prevent "two-blocking" or over-travel of the hook block
Emergency stops and brakes should be checked while operating the crane at the fastest speed possible. - Answer- F
What is two-blocking and why is it dangerous? - Answer- Two-blocking occurs when the hook block makes contact with the drum or sheaves. It is dangerous because it could result in damage to the crane, parting of the hoist lines, and dropping the load.
Detailed written procedures are required for: - Answer- complex lifts.
For all complex lifts, a rigger supervisor, operator supervisor, or a rigging or crane operator working leader shall review on-site conditions and shall ... - Answer- conduct a pre-job briefing.
Lifts of test weights during maintenance or load test are ... - Answer- excluded from the complex lift requirements.
A crane with a capacity of 100,000 pounds is performing a lift of 40,000 pounds. This is a(n): - Answer- non-complex lift. [Show Less]