1) According to ASME, when rails are used for the crane support, the rails splices mus: - ANSWERA) be smooth
2) What is the task of high-tensile bolt connections between tower sections? - ANSWERA) To avoid fail.
3) According to the Tower Crane Reference Manual, how often should the hoist wire...
1) According to ASME, when rails are used for the crane support, the rails splices mus: - ANSWERA)
be smooth
2) What is the task of high-tensile bolt connections between tower sections? - ANSWERA) To avoid
fail.
3) According to the Tower Crane Reference Manual, how often should the hoist wire rope be
lubricated? - ANSWERA) Every 200 hours of operation.
6) According to sheet C, where does the climbing unit have to be located with 12 tower
sections added and the guided section removed? - ANSWERA) On the undercarriage.
7) How much does a cubic foot of steel weights? - ANSWERA) 490 LBS.
8) What's the purpose of the twist compensator? - ANSWERA) To avoid twisted hook block.
4) According to the Tower Crane Reference Manual, which operation Does Not risk the
stability of the crane? - ANSWERA) Decrease the load after have lifted it.
5) Before and after the climbing of a tower crane, how do you plumb the tower? - ANSWERA) when
the tower is balanced.
9) According to OSHA, when erecting or dismantling self erecting tower cranes,
employees and personnel shouldn't be under the tower, jib or rotating portion until? - ANSWERA)
The crane is secure in a locked position.
10) What should you do if an operational aid stops functioning properly during
operation? - ANSWERA) Safely stop operations until the device is again working properly
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