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,1. What action c.
does a signal
person 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 a.
personnel, within
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 c.
the crane you're
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