NCCCO MOBILE CRANE | QUESTIONS AND
ANSWERS | LATEST UPDATE
Save
Terms in this set (99)
1. What action does a signal person c.
intend the operator to perform if he
extends his arm at shoulder height,
makes a fist with his hand, and sticks
his/her thumb up?
a. Boom down
b. Swing
c. Boom up
d. Extend boom
2. When hoisting personnel, within a.
what percentage of level must a
telescopic boom crane be in order
for the gross ratings in the load chart
to remain valid?
a. 1%
b. 2%
c. 5%
d. 8%
,3. The load line of the crane you're c.
operating contacts an energized
power line. There's no sign of any
other danger, such as fire. What
should you do?
a. Climb down carefully from the
crane cab
b. Jump down, feet together
c. Stay in the cab until the lines are
de-energized
d. Get as far away from the crane as
possible
4. According to OSHA 1926.1413, how d.
many randomly distributed broken
wires in rotation-resistant rope are
cause for replacement of the rope?
a. 1 broken wire in 6 rope diameters
b. 2 broken wires in 30 rope
diameters
c. 3 broken wires in one strand in one
lay
d. 2 broken wires in 6 rope diameters
, 5. What is the net capacity of a crane a.
on main boom unless the
manufacturer states otherwise?
a. The capacity listed in the load
chart minus the weight of the rigging
and all attachments
b. The capacity listed in the load
chart plus the weight of the rigging
and all attachments
c. The capacity listed in the load
chart minus the weight of the rigging
and all attachments not in use
d. The capacity listed in the load
chart minus the weight of the rigging
alone
6. What may happen to a properly a.
rigged load when lifted off the
ground unless the operator takes
account of boom deflection?
a. It could swing out away from the
crane
b. It could swing in towards the crane
c. It could raise absolutely vertically
d. It could shift in its rigging
7. What Standard Method hand signal a.
is being illustrated?
a. Swing
b. Stop
c. Emergency Stop
d. Travel
ANSWERS | LATEST UPDATE
Save
Terms in this set (99)
1. What action does a signal person c.
intend the operator to perform if he
extends his arm at shoulder height,
makes a fist with his hand, and sticks
his/her thumb up?
a. Boom down
b. Swing
c. Boom up
d. Extend boom
2. When hoisting personnel, within a.
what percentage of level must a
telescopic boom crane be in order
for the gross ratings in the load chart
to remain valid?
a. 1%
b. 2%
c. 5%
d. 8%
,3. The load line of the crane you're c.
operating contacts an energized
power line. There's no sign of any
other danger, such as fire. What
should you do?
a. Climb down carefully from the
crane cab
b. Jump down, feet together
c. Stay in the cab until the lines are
de-energized
d. Get as far away from the crane as
possible
4. According to OSHA 1926.1413, how d.
many randomly distributed broken
wires in rotation-resistant rope are
cause for replacement of the rope?
a. 1 broken wire in 6 rope diameters
b. 2 broken wires in 30 rope
diameters
c. 3 broken wires in one strand in one
lay
d. 2 broken wires in 6 rope diameters
, 5. What is the net capacity of a crane a.
on main boom unless the
manufacturer states otherwise?
a. The capacity listed in the load
chart minus the weight of the rigging
and all attachments
b. The capacity listed in the load
chart plus the weight of the rigging
and all attachments
c. The capacity listed in the load
chart minus the weight of the rigging
and all attachments not in use
d. The capacity listed in the load
chart minus the weight of the rigging
alone
6. What may happen to a properly a.
rigged load when lifted off the
ground unless the operator takes
account of boom deflection?
a. It could swing out away from the
crane
b. It could swing in towards the crane
c. It could raise absolutely vertically
d. It could shift in its rigging
7. What Standard Method hand signal a.
is being illustrated?
a. Swing
b. Stop
c. Emergency Stop
d. Travel
