Mobile Crane Operator Core Review Questions
Study online at https://quizlet.com/_9p0ujm
What is the purpose of
Distribute over a larger
placing mats or cribbing
area.
under outrigger floats?
Where is the best location
Upperworks.
for leveling a crane?
Before leveling a mobile
there is no weight of the
crane on outriggers, an op-
crane bearing on any tires
erator should ensure:
Operating a mobile crane
Keeping a 90° angle be- with a long boom, on un-
tween cylinder rod and even ground, what support
pad. condition should be con-
sidered?
Operating a mobile crane
Keeping 90° angle be- with a long boom, on un-
tween cylinder rod and even ground, what support
pad. condition should be con-
sidered?
When may blocking (crib-
bing) be placed under out-
Never approved.
rigger beams on mobile
cranes?
, Mobile Crane Operator Core Review Questions
Study online at https://quizlet.com/_9p0ujm
Mobile cranes should be
1% level to within what percent
of grade?
Timber crane mats work
bolted together.
best when they are:
When arriving in the crane
at the job site, the operator
access roads.
should first determine the
condition of the:
What surface listed below
Above underground would NOT be a good loca-
vaults. tion for assembly or setup
of a mobile crane?
Each outrigger pad and its
The total weight of the
blocking should be suffi-
crane and its load.
cient to support?
How does high wind affect
Introduces side load onto
a mobile crane with a long
the boom
boom?
When is the only time the
The load chart indicates outrigger beams should be
that this is allowed. less than fully
extended?
Separate the load hoist
lines.
, Mobile Crane Operator Core Review Questions
Study online at https://quizlet.com/_9p0ujm
What is the primary pur-
pose for a rooster sheave
or auxiliary boom point
sheave?
Eccentric main boom tip
twisting of the main boom. reeving causes which of
the following:
Which type of wire rope
Right regular lay. listed below is installed on
most cranes?
The hoist drum flange
shall extend a minimum of
1/2 inch. _______ over the top lay-
er of wire rope at all times
while crane is in operation.
Which of the following is
Pendant line. classified as a standing
wire rope?
When lifting on outriggers,
secured to the outriggers
the floats or pads should
cylinder.
always be:
How many randomly bro-
ken wires in a lay length
Study online at https://quizlet.com/_9p0ujm
What is the purpose of
Distribute over a larger
placing mats or cribbing
area.
under outrigger floats?
Where is the best location
Upperworks.
for leveling a crane?
Before leveling a mobile
there is no weight of the
crane on outriggers, an op-
crane bearing on any tires
erator should ensure:
Operating a mobile crane
Keeping a 90° angle be- with a long boom, on un-
tween cylinder rod and even ground, what support
pad. condition should be con-
sidered?
Operating a mobile crane
Keeping 90° angle be- with a long boom, on un-
tween cylinder rod and even ground, what support
pad. condition should be con-
sidered?
When may blocking (crib-
bing) be placed under out-
Never approved.
rigger beams on mobile
cranes?
, Mobile Crane Operator Core Review Questions
Study online at https://quizlet.com/_9p0ujm
Mobile cranes should be
1% level to within what percent
of grade?
Timber crane mats work
bolted together.
best when they are:
When arriving in the crane
at the job site, the operator
access roads.
should first determine the
condition of the:
What surface listed below
Above underground would NOT be a good loca-
vaults. tion for assembly or setup
of a mobile crane?
Each outrigger pad and its
The total weight of the
blocking should be suffi-
crane and its load.
cient to support?
How does high wind affect
Introduces side load onto
a mobile crane with a long
the boom
boom?
When is the only time the
The load chart indicates outrigger beams should be
that this is allowed. less than fully
extended?
Separate the load hoist
lines.
, Mobile Crane Operator Core Review Questions
Study online at https://quizlet.com/_9p0ujm
What is the primary pur-
pose for a rooster sheave
or auxiliary boom point
sheave?
Eccentric main boom tip
twisting of the main boom. reeving causes which of
the following:
Which type of wire rope
Right regular lay. listed below is installed on
most cranes?
The hoist drum flange
shall extend a minimum of
1/2 inch. _______ over the top lay-
er of wire rope at all times
while crane is in operation.
Which of the following is
Pendant line. classified as a standing
wire rope?
When lifting on outriggers,
secured to the outriggers
the floats or pads should
cylinder.
always be:
How many randomly bro-
ken wires in a lay length
