CORRECT ANSWERS|| LATEST UPDATE
2024.
When making a multiple crane lift, it is important for the operator to understand
that: - ANSWER The weight may increase if the other crane lands the load
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: - ANSWER Increase
Most crane manufacturers reduce load capacity for duty-cycle operations
because: - ANSWER Side loading forces may occur
On who's recommendations should a preventative maintenance program be set-
up? - ANSWER Crane manufacturer
What is the standard rope used on most cranes? - ANSWER Right regular lay
The proper way to calibrate a boom angle indicator is: - ANSWER Using a level,
raise the boom to horizontal and set the indicator at 0 degree.
The red area of an instrument gauge means: - ANSWER A dangerous condition
exists
, When testing a man basket how long must the test pick be maintained? - ANSWER
5 minutes
What is the minimum pitch diameter for load hoisting sheaves? - ANSWER Not
less than 18 times rope diameter
What is the minimum pitch diameter for boom hoisting sheaves? - ANSWER Not
less than 15 times rope diameter
What is the minimum pitch diameter for load block sheaves? - ANSWER Not less
than 16 times rope diameter
Seat belts shall be provided on what cranes? - ANSWER Cherry Pickers
Power is transferred to the swing through a - ANSWER Pinion gear
LMIs shall be installed on cranes with a lifting capacity of: - ANSWER 3 ton and
above
When lifting personnel, the cranes hook must be the type that: - ANSWER can be
closed and locked
When working over water with a man basket, are the people inside required to
wear a belt/harness? - ANSWER No harness or belt required
The best way to keep people from being injured from the counterweight of the
crane is to: - ANSWER Fence or barricade the swing area of the crane