NCCCO TELESCOPIC BOOM CRANE-
SWING CAB(TLL)
1. 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
2. What is the purpose of a boom length indicator?
Answer Indicates the extended length of boom
3. According to OSHA 1926 subpart cc, floats/pads must be fastened to the
outrigger/stabilizers when
Answer They are in use
4. 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
5. When leaving telescopic boom cranes unattended overnight or for longer
1/6
, periods, the boom should be
Answer Fully retracted and stowed
6. On a telescopic boom truck crane that has all 5 outriggers properly posi-
tioned, the working area diagram will indicate the "over front" area is
Answer Determined by the crane manufacturer
7. According to OSHA 1926 subpart cc, who determines if a crane can be used
for pick and carry operations?
Answer The manufacturer
8. 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
9. When a crane's telescopic boom sections are required to be extended equally,
and the are not, the
Answer Longest section can be overloaded
10. With the boom extension mounted on the boom tip, the main boom rating
2/6
SWING CAB(TLL)
1. 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
2. What is the purpose of a boom length indicator?
Answer Indicates the extended length of boom
3. According to OSHA 1926 subpart cc, floats/pads must be fastened to the
outrigger/stabilizers when
Answer They are in use
4. 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
5. When leaving telescopic boom cranes unattended overnight or for longer
1/6
, periods, the boom should be
Answer Fully retracted and stowed
6. On a telescopic boom truck crane that has all 5 outriggers properly posi-
tioned, the working area diagram will indicate the "over front" area is
Answer Determined by the crane manufacturer
7. According to OSHA 1926 subpart cc, who determines if a crane can be used
for pick and carry operations?
Answer The manufacturer
8. 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
9. When a crane's telescopic boom sections are required to be extended equally,
and the are not, the
Answer Longest section can be overloaded
10. With the boom extension mounted on the boom tip, the main boom rating
2/6
