4-19.
Which of the following personnel
have the responsibility of
performing the “before” “during,”
and “after” inspection of the
crane?
1.
Crane certifying officer
2.
Crane test operator
3.
Crane test mechanic
4.
Crane test rigger
4-20.
When transporting a crane on the
open road, you must avoid any power
source by at least what distance?
1.
4 feet
2.
10 feet
3.
15 feet
4.
20 feet
4-21.
Which of the following personnel
have the responsibility for
completing the crane lift
checklist?
1.
Crane certifying officer
2.
Crane crew supervisor
3.
Crane crew rigger
4.
Crane crew operator
4-22.
What is the minimum requirements
for retaining ODCLs?
1.
ODCLs from the past 90 days
of operations and ODCLs of
the current month
2.
ODCLs from the past 60 days
of operations and ODCLs of
the current month
3.
ODCLs from the previous month
of operations and ODCLs of
the current month
4.
ODCLs of the current month
of operation
4-23.
More than two broken wires in one
lay in sections beyond the end
connection is the condition for
replacing what section of wire
rope?
1.
Wire rope connected
to a wedge socket
2.
Boom pendant ropes
3.
Boom hoist ropes
4.
Wire rope connected
to a winch
4-24.
The use of a wedge socket develops
only what percentage of the
breaking strength of the wire rope?
1.
90%
2.
80%
3.
70%
4.
60%
4-25.
When should the crane hook block
be magna-fluxed?
1.
After 5 years of service
2.
After the crane has been
released from deadline
3.
After any repairs performed
on the hook block
4.
Every fifth certification
Learning Objective: Recognize
the test procedures performed
when weight-testing cranes.
4-26.
A mobile crane is weight-tested
at what percentage of the rated
capacity of the crane?
1.
100%
2.
110%
3.
115%
4.
125%
4-27.
When lifting a load that exceeds
75 percent of a crane’s rated
capacity, you should determine the
operating radius in what manner?
1.
By reading the boom angle
indicator
2.
By actually measuring the
operating radius
3.
By watching the boom pendant
angle
4.
By reading the load chart
4-28.
You are assigned to weight test
a mobile crane.
What is the test
weight for a mobile crane with a
rated capacity of 72,300 pounds?
1.
65,727 pounds
2.
79,530 pounds
3.
82,159 pounds
4.
90,375 pounds
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