and answers
1) According to ASME, when rails are used for the crane support, the rails splices mus: -
ANSA) be smooth
2) What is the task of high-tensile bolt connections between tower sections? - ANSA) To avoid
fail.
3) According to the Tower Crane Reference Manual, how often should the hoist wire rope be
lubricated? - ANSA) Every 200 hours of operation.
4) According to the Tower Crane Reference Manual, which operation Does Not risk the
stability of the crane? - ANSA) Decrease the load after have lifted it.
5) Before and after the climbing of a tower crane, how do you plumb the tower? - ANSA) when
the tower is balanced.
6) According to sheet C, where does the climbing unit have to be located with 12 tower
sections added and the guided section removed? - ANSA) On the undercarriage.
7) How much does a cubic foot of steel weights? - ANSA) 490 LBS.
8) What's the purpose of the twist compensator? - ANSA) To avoid twisted hook block.
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? - ANSA)
The crane is secure in a locked position.
10) What should you do if an operational aid stops functioning properly during
operation? - ANSA) Safely stop operations until the device is again working properly
11) On a frequent inspection, how often do you inspect the tower and slewing ring bolts? -
ANSA) Monthly.
Use tipping as a guide for capacity - ANSWhat is the single most dangerous thing an operator
can do to determine whether a crane can handle a load?