When using a telescopic boom crane equipped with an anti two-block device, which
hydraulic functions are disabled when the device is activated? - ANSWER Hoist, extend
the boom, boom down
When hook-suspended personnel platforms are lifted with a telescopic boom crane, -
ANSWER An anti two-block devise must be provided
The safest maximum speed for a telescopic boom crane performing pick-and-carry
operations is - ANSWER The manufacturer's recommended speed limit
When using blocking under the outrigger floats/pads, the operator should make sure the
blocking is - ANSWER Sufficient to support/stabilize the crane
When a boom extension is in the stowed position, it is - ANSWER Pinned to the boom
base section
When a telescopic boom crane is engaged in a pick-and-carry operation, the rated tipping
capacity is based on what percentage of the total tipping capacity? - ANSWER 75%
According to OSHA 1926 sub-part cc, all telescopic boom cranes must be equipped with -
ANSWER A boom angle indicator
Jib capacities are based on: - ANSWER structural strength
When lifting over a corner, ground pressure generated by the crane can approach a weight
that is - ANSWER equal to the weight of the crane and suspended load
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