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NCCCO TELESCOPIC BOOM CRANE – FIXED CAB
(TSS) EXAM | LATEST UPDATE 2026
A crane is operating with a long boom, on outriggers, on uneven
ground. Under these conditions it is important to - ANSWER -Block
under the float or pad to achieve a 90 degree angle between the
cylinder rod and the float or pad
What is the purpose of a boom length indicator? - ANSWER -Indicates
the extended length of boom
According to OSHA 1926 subpart cc, floats/pads must be fastened to
the outrigger/stabilizers when - ANSWER -They are in use
A crane's jib is offset 15 degrees versus it's original 0 degree offset and
the boom angle remains unchanged, the load radius will - ANSWER -
Increase
When leaving telescopic boom cranes unattended overnight or for
longer periods, the boom should be - ANSWER -Fully retracted and
stowed
On a telescopic boom truck crane that has all 5 outriggers properly
positioned, the working area diagram will indicate the "over front" area
is - ANSWER -Determined by the crane manufacturer
pg. 1
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According to OSHA 1926 subpart cc, who determines if a crane can be
used for pick and carry operations? - ANSWER -The manufacturer
According to OSHA 1926 subpart cc, what function does the holding
valve on a vertical outrigger jack perform? - ANSWER -Hold pressure in
the vertical ram if a hydraulic connection fails
When a crane's telescopic boom sections are required to be extended
equally, and the are not, the - ANSWER -Longest section can be
overloaded
With the boom extension mounted on the boom tip, the main boom
rating must be reduced to compensate for the boom extension's -
ANSWER -Effective weight
According to OSHA 1926.1433, which of the following must be on the
crane?
A. A fire extinguisher
B. Anti two-block warning system
C. Battery disconnect switch
D. Vehicle identification number - ANSWER -A. A fire extinguisher
A carrier-mounted crane that is set up on outriggers should have the
tires on the carrier - ANSWER -Off the supporting surface
pg. 2
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When a rough terrain crane is working on tires, backward tipping is
most likely to occur when the unloaded boom is position over the -
ANSWER -Side at short radius
When performing pick and carry operations with a rough terrain crane,
you should keep the load - ANSWER -Positioned over the front of the
carrier
In which outrigger configuration would a crane be the most susceptible
to tipping from a rapidly swinging load? - ANSWER -Outriggers up and
in
According to OSHA 1926 subpart cc, when extending outriggers from
the crane's upper structure, the operator shall - ANSWER -Make visual
contact or post a signal person
A luffing jib is - ANSWER -Raised or lowered independent of the main
boom
When operating a rough terrain crane, what is the most stable quadrant
of operation? - ANSWER -Front
When operating a telescopic boom truck crane, what is the most stable
quadrant of operation? - ANSWER -Rear
pg. 3
NCCCO TELESCOPIC BOOM CRANE – FIXED CAB
(TSS) EXAM | LATEST UPDATE 2026
A crane is operating with a long boom, on outriggers, on uneven
ground. Under these conditions it is important to - ANSWER -Block
under the float or pad to achieve a 90 degree angle between the
cylinder rod and the float or pad
What is the purpose of a boom length indicator? - ANSWER -Indicates
the extended length of boom
According to OSHA 1926 subpart cc, floats/pads must be fastened to
the outrigger/stabilizers when - ANSWER -They are in use
A crane's jib is offset 15 degrees versus it's original 0 degree offset and
the boom angle remains unchanged, the load radius will - ANSWER -
Increase
When leaving telescopic boom cranes unattended overnight or for
longer periods, the boom should be - ANSWER -Fully retracted and
stowed
On a telescopic boom truck crane that has all 5 outriggers properly
positioned, the working area diagram will indicate the "over front" area
is - ANSWER -Determined by the crane manufacturer
pg. 1
,2|Page
According to OSHA 1926 subpart cc, who determines if a crane can be
used for pick and carry operations? - ANSWER -The manufacturer
According to OSHA 1926 subpart cc, what function does the holding
valve on a vertical outrigger jack perform? - ANSWER -Hold pressure in
the vertical ram if a hydraulic connection fails
When a crane's telescopic boom sections are required to be extended
equally, and the are not, the - ANSWER -Longest section can be
overloaded
With the boom extension mounted on the boom tip, the main boom
rating must be reduced to compensate for the boom extension's -
ANSWER -Effective weight
According to OSHA 1926.1433, which of the following must be on the
crane?
A. A fire extinguisher
B. Anti two-block warning system
C. Battery disconnect switch
D. Vehicle identification number - ANSWER -A. A fire extinguisher
A carrier-mounted crane that is set up on outriggers should have the
tires on the carrier - ANSWER -Off the supporting surface
pg. 2
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When a rough terrain crane is working on tires, backward tipping is
most likely to occur when the unloaded boom is position over the -
ANSWER -Side at short radius
When performing pick and carry operations with a rough terrain crane,
you should keep the load - ANSWER -Positioned over the front of the
carrier
In which outrigger configuration would a crane be the most susceptible
to tipping from a rapidly swinging load? - ANSWER -Outriggers up and
in
According to OSHA 1926 subpart cc, when extending outriggers from
the crane's upper structure, the operator shall - ANSWER -Make visual
contact or post a signal person
A luffing jib is - ANSWER -Raised or lowered independent of the main
boom
When operating a rough terrain crane, what is the most stable quadrant
of operation? - ANSWER -Front
When operating a telescopic boom truck crane, what is the most stable
quadrant of operation? - ANSWER -Rear
pg. 3
