CATEGORY 3 NON-CAB OPERATED CRANE
SAFETY EXAM | ALL QUESTIONS AND
CORRECT ANSWERS | GRADED A+ | LATEST
VERSION | VERIFIED ANSWERS
Knowing the load's approximate center of gravity prior to rigging or lifting a
load is important? ---------CORRECT ANSWER-----------------so the load
does not shift, tip or swing out of radius, to help calculate stresses in each
sling, and to help choose the correct rigging gear. (All of the above).
What is the crane communications hand signal pictured with the arm
extended downward, forefinger pointing down, and the hand moving in a
small horizontal circle? ---------CORRECT ANSWER-----------------Lower
What is the purpose of a hoist limit switch? ---------CORRECT ANSWER----
-------------to prevent over-travel of the hook block and the possibility of two-
blocking
Why should the hook be positioned directly over the load when attaching
the load? ---------CORRECT ANSWER-----------------To avoid side loading
and dragging the load as it is picked up
The crane operator stops the crane whenever ___________ is in question.
---------CORRECT ANSWER-----------------Safety
,Bridge cranes with rated capacities of less than 20,000 lbs. are classified
as ___________ cranes. ---------CORRECT ANSWER-----------------
Category 3
More than one signal person may provide signals to a crane operator at a
time. ---------CORRECT ANSWER-----------------False
Which of the following formulas would be used to find the volume of a
rectangular or square shaped 3 dimensional object? ---------CORRECT
ANSWER-----------------length x width x height
Shackles, wire rope slings, and/or eyebolts, may be used to their full
capacity when used within ______ of vertical. ---------CORRECT ANSWER-
----------------5 degrees
A crane accident occurs when any element of the crane operating envelope
fails to perform correctly during crane operations, maintenance, or testing
which could result in any of the following except? ---------CORRECT
ANSWER-----------------Equipment malfunction
The crane operator is responsible for the pre-use ___________ of the
crane. ---------CORRECT ANSWER-----------------Check
Common modes of operation for typical OET bridge cranes are? ---------
CORRECT ANSWER-----------------Hoist, trolley, and bridge
,Sling angles affect the actual stress on each leg of the sling. Lowering the
angle measured from the horizontal will? ---------CORRECT ANSWER-------
----------Increase the stress on each leg
When are operators required to perform a pre-use check of the crane? ------
---CORRECT ANSWER-----------------Prior to the first use of the crane each
day
If an object is 6 feet long, 5 feet wide, and 4 feet high, what is the volume of
the object? ---------CORRECT ANSWER-----------------120 cubic feet
Which of the following tags prohibits operation of equipment when its
operation could jeopardize the safety of personnel or endanger equipment?
---------CORRECT ANSWER-----------------Danger Tag
Is it necessary for the operator to see the load or work area? ---------
CORRECT ANSWER-----------------Not if there is a designated signal person
who is in control of the lift and is in view of the operator, or if the signal
giver is in constant radio contact with the operator.
A pillar-jib crane with a capacity of 22,000 lbs. is a ____________ crane. ---
------CORRECT ANSWER-----------------Category 2
While performing a monthly ODCL on a crane, you find minor deficiencies.
What do you do? ---------CORRECT ANSWER-----------------Note the
deficiencies on the ODCL
, The majority of crane accidents are attributed to which of the following? ----
-----CORRECT ANSWER-----------------Personnel error
What is plugging? ---------CORRECT ANSWER-----------------The use of
reverse power instead of a brake to slow or stop the bridge or trolley travel
When should a tagline be used during lifting operations? ---------CORRECT
ANSWER-----------------To prevent the load from swinging or rotating
If the crane operator and the rigger-in-charge disagree on whether or not a
load is safe to lift, the operator should? ---------CORRECT ANSWER----------
-------Not operate the crane until contacting the supervisor to resolve the
issue
If an object is 6 feet long, 4 feet wide, and 2 inches thick, what is the area
of the object? ---------CORRECT ANSWER-----------------24 square feet
Who is primarily responsible for evaluating a Crane Operator's physical and
emotional fitness? ---------CORRECT ANSWER-----------------The crane
operator
A monorail hoist with less than 20,000 lbs. capacity is a __________ crane.
---------CORRECT ANSWER-----------------Category 3
SAFETY EXAM | ALL QUESTIONS AND
CORRECT ANSWERS | GRADED A+ | LATEST
VERSION | VERIFIED ANSWERS
Knowing the load's approximate center of gravity prior to rigging or lifting a
load is important? ---------CORRECT ANSWER-----------------so the load
does not shift, tip or swing out of radius, to help calculate stresses in each
sling, and to help choose the correct rigging gear. (All of the above).
What is the crane communications hand signal pictured with the arm
extended downward, forefinger pointing down, and the hand moving in a
small horizontal circle? ---------CORRECT ANSWER-----------------Lower
What is the purpose of a hoist limit switch? ---------CORRECT ANSWER----
-------------to prevent over-travel of the hook block and the possibility of two-
blocking
Why should the hook be positioned directly over the load when attaching
the load? ---------CORRECT ANSWER-----------------To avoid side loading
and dragging the load as it is picked up
The crane operator stops the crane whenever ___________ is in question.
---------CORRECT ANSWER-----------------Safety
,Bridge cranes with rated capacities of less than 20,000 lbs. are classified
as ___________ cranes. ---------CORRECT ANSWER-----------------
Category 3
More than one signal person may provide signals to a crane operator at a
time. ---------CORRECT ANSWER-----------------False
Which of the following formulas would be used to find the volume of a
rectangular or square shaped 3 dimensional object? ---------CORRECT
ANSWER-----------------length x width x height
Shackles, wire rope slings, and/or eyebolts, may be used to their full
capacity when used within ______ of vertical. ---------CORRECT ANSWER-
----------------5 degrees
A crane accident occurs when any element of the crane operating envelope
fails to perform correctly during crane operations, maintenance, or testing
which could result in any of the following except? ---------CORRECT
ANSWER-----------------Equipment malfunction
The crane operator is responsible for the pre-use ___________ of the
crane. ---------CORRECT ANSWER-----------------Check
Common modes of operation for typical OET bridge cranes are? ---------
CORRECT ANSWER-----------------Hoist, trolley, and bridge
,Sling angles affect the actual stress on each leg of the sling. Lowering the
angle measured from the horizontal will? ---------CORRECT ANSWER-------
----------Increase the stress on each leg
When are operators required to perform a pre-use check of the crane? ------
---CORRECT ANSWER-----------------Prior to the first use of the crane each
day
If an object is 6 feet long, 5 feet wide, and 4 feet high, what is the volume of
the object? ---------CORRECT ANSWER-----------------120 cubic feet
Which of the following tags prohibits operation of equipment when its
operation could jeopardize the safety of personnel or endanger equipment?
---------CORRECT ANSWER-----------------Danger Tag
Is it necessary for the operator to see the load or work area? ---------
CORRECT ANSWER-----------------Not if there is a designated signal person
who is in control of the lift and is in view of the operator, or if the signal
giver is in constant radio contact with the operator.
A pillar-jib crane with a capacity of 22,000 lbs. is a ____________ crane. ---
------CORRECT ANSWER-----------------Category 2
While performing a monthly ODCL on a crane, you find minor deficiencies.
What do you do? ---------CORRECT ANSWER-----------------Note the
deficiencies on the ODCL
, The majority of crane accidents are attributed to which of the following? ----
-----CORRECT ANSWER-----------------Personnel error
What is plugging? ---------CORRECT ANSWER-----------------The use of
reverse power instead of a brake to slow or stop the bridge or trolley travel
When should a tagline be used during lifting operations? ---------CORRECT
ANSWER-----------------To prevent the load from swinging or rotating
If the crane operator and the rigger-in-charge disagree on whether or not a
load is safe to lift, the operator should? ---------CORRECT ANSWER----------
-------Not operate the crane until contacting the supervisor to resolve the
issue
If an object is 6 feet long, 4 feet wide, and 2 inches thick, what is the area
of the object? ---------CORRECT ANSWER-----------------24 square feet
Who is primarily responsible for evaluating a Crane Operator's physical and
emotional fitness? ---------CORRECT ANSWER-----------------The crane
operator
A monorail hoist with less than 20,000 lbs. capacity is a __________ crane.
---------CORRECT ANSWER-----------------Category 3
