Mobile Crane Questions Test #6
Questions With Correct Answers
What action does a signal person intend the operator to perform if he
| | | | | | | | | | | | |
extends his arm at shoulder height, makes a fist with his hand, and
| | | | | | | | | | | | |
sticks his thumb up? - CORRECT ANSWER✔✔-Boom up.
| | | | | | |
Within what percentage of level does a telescopic boom crane have to
| | | | | | | | | | | |
be for the gross ratings in the load chart to remain valid? - CORRECT
| | | | | | | | | | | | | |
ANSWER✔✔-1%.
The load line of the crane you 're operating comes into contact with an
| | | | | | | | | | | | | |
energized power line. There's no sign of any other danger, such as fire.
| | | | | | | | | | | | |
In such a situation, you should: - CORRECT ANSWER✔✔-Stay in the cab
| | | | | | | | | | | |
until the lines are de-energized.
| | | |
You're setting your crane up in a confined area and you cannot fully
| | | | | | | | | | | | |
extend your fourth outrigger. Your crane does not have a load chart for
| | | | | | | | | | | | |
intermediate extension working. In such a situation you should use the
| | | | | | | | | | |
capacities in the: - CORRECT ANSWER✔✔-On-rubber load chart.
| | | | | | |
According to the 830.5 mobile crane standard, how many randomly
| | | | | | | | | |
distributed broken wires in rotation-resistant rope are cause for
| | | | | | | | |
, considering replacement of the rope? - CORRECT ANSWER✔✔-2 broken
| | | | | | | |
wires in 6 rope diameters.
| | | | |
Unless the manufacturer states otherwise, the net capacity of a crane
| | | | | | | | | | |
on main boom is the capacity listed in the load chart: - CORRECT
| | | | | | | | | | | | |
ANSWER✔✔-Minus the weight of the rigging and all attachments. | | | | | | | |
Unless the operator takes account of boom deflection, when lifted off
| | | | | | | | | | |
the ground, a properly rigged load may: - CORRECT ANSWER✔✔-Swing
| | | | | | | | | |
out away from the crane.
| | | |
Which is the most common cause of death to crane operators? -
| | | | | | | | | | | |
CORRECT ANSWER✔✔-Crane turnover. | |
According to the B30.5 mobile crane standard, it's OK for an operator to
| | | | | | | | | | | | |
leave the cab of a crane with the engine running so long as: - CORRECT
| | | | | | | | | | | | | | |
ANSWER✔✔-The operator keeps the crane in view and restricts access | | | | | | | | | |
to the area-around the crane.
| | | |
An operator should respond to a "stop" signal from: - CORRECT
| | | | | | | | | | |
ANSWER✔✔-Anyone . |
Unless the manufacturer states otherwise, truck cranes generally have
| | | | | | | | |
no lifting capacity over which area? - CORRECT ANSWER✔✔-The front.
| | | | | | | | |
Questions With Correct Answers
What action does a signal person intend the operator to perform if he
| | | | | | | | | | | | |
extends his arm at shoulder height, makes a fist with his hand, and
| | | | | | | | | | | | |
sticks his thumb up? - CORRECT ANSWER✔✔-Boom up.
| | | | | | |
Within what percentage of level does a telescopic boom crane have to
| | | | | | | | | | | |
be for the gross ratings in the load chart to remain valid? - CORRECT
| | | | | | | | | | | | | |
ANSWER✔✔-1%.
The load line of the crane you 're operating comes into contact with an
| | | | | | | | | | | | | |
energized power line. There's no sign of any other danger, such as fire.
| | | | | | | | | | | | |
In such a situation, you should: - CORRECT ANSWER✔✔-Stay in the cab
| | | | | | | | | | | |
until the lines are de-energized.
| | | |
You're setting your crane up in a confined area and you cannot fully
| | | | | | | | | | | | |
extend your fourth outrigger. Your crane does not have a load chart for
| | | | | | | | | | | | |
intermediate extension working. In such a situation you should use the
| | | | | | | | | | |
capacities in the: - CORRECT ANSWER✔✔-On-rubber load chart.
| | | | | | |
According to the 830.5 mobile crane standard, how many randomly
| | | | | | | | | |
distributed broken wires in rotation-resistant rope are cause for
| | | | | | | | |
, considering replacement of the rope? - CORRECT ANSWER✔✔-2 broken
| | | | | | | |
wires in 6 rope diameters.
| | | | |
Unless the manufacturer states otherwise, the net capacity of a crane
| | | | | | | | | | |
on main boom is the capacity listed in the load chart: - CORRECT
| | | | | | | | | | | | |
ANSWER✔✔-Minus the weight of the rigging and all attachments. | | | | | | | |
Unless the operator takes account of boom deflection, when lifted off
| | | | | | | | | | |
the ground, a properly rigged load may: - CORRECT ANSWER✔✔-Swing
| | | | | | | | | |
out away from the crane.
| | | |
Which is the most common cause of death to crane operators? -
| | | | | | | | | | | |
CORRECT ANSWER✔✔-Crane turnover. | |
According to the B30.5 mobile crane standard, it's OK for an operator to
| | | | | | | | | | | | |
leave the cab of a crane with the engine running so long as: - CORRECT
| | | | | | | | | | | | | | |
ANSWER✔✔-The operator keeps the crane in view and restricts access | | | | | | | | | |
to the area-around the crane.
| | | |
An operator should respond to a "stop" signal from: - CORRECT
| | | | | | | | | | |
ANSWER✔✔-Anyone . |
Unless the manufacturer states otherwise, truck cranes generally have
| | | | | | | | |
no lifting capacity over which area? - CORRECT ANSWER✔✔-The front.
| | | | | | | | |
