Accurate Answers latest Update 2024
When making a multiple crane lift, it is important for the operator to understand that: -
CORRECT 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: - CORRECT ANSWER-Increase
Most crane manufacturers reduce load capacity for duty-cycle operations because: -
CORRECT ANSWER-Side loading forces may occur
On who's recommendations should a preventative maintenance program be set-up? -
CORRECT ANSWER-Crane manufacturer
What is the standard rope used on most cranes? - CORRECT ANSWER-Right regular
lay
The proper way to calibrate a boom angle indicator is: - CORRECT ANSWER-Using a
level, raise the boom to horizontal and set the indicator at 0 degree.
The red area of an instrument gauge means: - CORRECT ANSWER-A dangerous
condition exists
The best way to keep people from being injured from the counterweight of the crane is
to: - CORRECT ANSWER-Fence or barricade the swing area of the crane
Only approved attachments or extra counterweights made by the manufacturer should
be placed on the rear of the crane because: - CORRECT ANSWER-They could cause a
backward stability problem
, What is the first thing an operator should do before going under a low pipe rack? -
CORRECT ANSWER-Post a signalperson to check clearance
When working on outriggers, the only time they should be less than fully extended is
when: - CORRECT ANSWER-There is a load chart for this operation
When lifting loads from the water, the operator should be aware that: - CORRECT
ANSWER-The load will increase when you pick the load from the water
What is require to be on a Hydraulic Crane in order for it to lift a man basket? -
CORRECT ANSWER-Boom length indicator
When working on rubber, cranes are rated at what percentage of tipping? - CORRECT
ANSWER-75%
When using cable or nylon spreaders, it is important to remember: - CORRECT
ANSWER-The lower the spreader angle the greater the tension
Backward stability of a crane is tested with: - CORRECT ANSWER-Basic boom at
maximum angle with maximum load
If not listed in the load/capacity charts for a hydraulic crane, and you are in between
boom lengths, you should: - CORRECT ANSWER-Use the next longer length or shorter
with less capacity
When a spinning load presents a danger, the operator should: - CORRECT ANSWER-
Use a tagline
The jib capacity is 8 tons and the ball weighs 900 lbs. What is the heaviest load that can
be lifted safely? - CORRECT ANSWER-15,100
Parts of line means: - CORRECT ANSWER-The number of lines running thru the load
block