Mobile Crane Questions Test #1 With
Complete Solutions
According to ANSI B30.23 personnel platform lifts
should not be made with wind in excess of:
Correct Answers 20 mph
After the crane has been checked out before lifting
a personnel basket, the crew should: Correct
Answers Have a pre-lift meeting
All hazards and potential problems should be
discovered during the: Correct Answers Pre-lift
site inspection.
By order of hitch strength, which is the correct
answer? Correct Answers Basket, vertical, choker.
During setup how do you determine machine
clearances (counterweight, boom, outrigger)?
Correct Answers Measure for correct distances.
Eccentric main boom tip reeving causes: Correct
Answers Twisting of the boom.
How does the operator determine if correct load
chart is being used? Correct Answers Matching
serial number.
, How does the operator verify the LMI's boom
length or load radius reading? Correct Answers
Actual measurements.
How many broken wires in one strand of one lay for
running wire rope would be cause for
removal from service? Correct Answers 3.
How many randomly broken wires would be cause
to remove a running wire rope from service
Correct Answers 6
If replacing the hoist line wire rope on a crane, how
do you determine the size or type of wire rope to
use? Correct Answers Use manufacturer's
operators manual or load chart.
If the rated capacity of the crane is above the solid
line or within the shaded areas or has an asterisk
next to it, this means the capacity is based on?
Correct Answers Structural competence.
If the SWL of a cranes wire rope is 10,000 lbs.
Using a one part line, what is the SWL when using
4 parts? Correct Answers 40,000.
In a range diagram, boom length and angle can be
used to determine: Correct Answers Load radius.
Complete Solutions
According to ANSI B30.23 personnel platform lifts
should not be made with wind in excess of:
Correct Answers 20 mph
After the crane has been checked out before lifting
a personnel basket, the crew should: Correct
Answers Have a pre-lift meeting
All hazards and potential problems should be
discovered during the: Correct Answers Pre-lift
site inspection.
By order of hitch strength, which is the correct
answer? Correct Answers Basket, vertical, choker.
During setup how do you determine machine
clearances (counterweight, boom, outrigger)?
Correct Answers Measure for correct distances.
Eccentric main boom tip reeving causes: Correct
Answers Twisting of the boom.
How does the operator determine if correct load
chart is being used? Correct Answers Matching
serial number.
, How does the operator verify the LMI's boom
length or load radius reading? Correct Answers
Actual measurements.
How many broken wires in one strand of one lay for
running wire rope would be cause for
removal from service? Correct Answers 3.
How many randomly broken wires would be cause
to remove a running wire rope from service
Correct Answers 6
If replacing the hoist line wire rope on a crane, how
do you determine the size or type of wire rope to
use? Correct Answers Use manufacturer's
operators manual or load chart.
If the rated capacity of the crane is above the solid
line or within the shaded areas or has an asterisk
next to it, this means the capacity is based on?
Correct Answers Structural competence.
If the SWL of a cranes wire rope is 10,000 lbs.
Using a one part line, what is the SWL when using
4 parts? Correct Answers 40,000.
In a range diagram, boom length and angle can be
used to determine: Correct Answers Load radius.
