QUESTIONS WITH COMPLETE
SOLUTIONS
, What should an operator do if a crane load moment indicator malfunction? -
ANSWERSCease crane operation, and report the condition to the supervisor
Where are the standard method hand signals found? - ANSWERSASME B30.R.
What happens to the leverage of the load on crane as the boom is being lowered? -
ANSWERSIncreases
When is it OK to temporarily bypass the cranes overload warning system? -
ANSWERSDuring assembly and disassembly operation
What capacity should you use when the boom length of the crane falls between the
length listed in the low chart? - ANSWERSA length estimated between the length in the
charts
What action does signal person intends to operator to perform if he extends his arm and
shoulder height, makes a fist his hand, and sticks his or her thumb up? -
ANSWERSBoom up
When hoisting personnel within what percentage of level muscle telescopic boom crane
be in order for the girls reading in low chart remain valid? - ANSWERS1%
What is the net capacity of a crane unless the manufacturer states otherwise? -
ANSWERSThe capacity listed in a low chart, minimize the weight of the rigging and all
attachment
What may happen to a properly reload when lift off the ground unless operator takes
account of boom deflection? - ANSWERSIt could swing out away from the crane
Who should've operator respond to a "stop" signal from? - ANSWERSAnyone
Which area do truck cranes without a 5th outrigger generally have no lifting capacity
unless the manufacturer states otherwise? - ANSWERSfront
According to federal requirements, under what conditions is it okay for a person to ride
the headache ball? - ANSWERSnever
What percentage do most manufacturers require a cranes load charge capacity to be
reduced for duty cycle operation such as high volume concrete placement -
ANSWERS20%