Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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1.
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T0B01 When should members of a tower work
team wear a hard hat and safety glasses? a. | At all times except when climbing the
tower | c. | At all times when any work is being done on the
tower | b. | At all times
except when belted firmly to the tower | d. | Only when the
tower exceeds 30 feet in height |
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2.
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T0B02 What is a
good precaution to observe
before climbing an antenna tower? a. | Make sure that you wear a grounded wrist
strap | c. | Put on a carefully
inspected climbing harness(fall arrester)and safety glasses | b. | Remove all tower
grounding connections | d. | All of these choices are
correct |
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3.
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T0B03 Under what
circumstances is it safe to
climb a tower without a helper or observer? a. | When no electrical work is being
performed | c. | When the work being done is not more than 20 feet above
the ground | b. | When no mechanical
work is being performed | d. | Never
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4.
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T0B04 Which of the following is an important safety
precaution to observe when putting up an antenna tower?
a. | Wear a ground strap connected to your wrist at all
times | c. | Look for and stay clear of any overhead electrical
wires | b. | Insulate the base of the tower to avoid lightning
strikes | d. | All of these choices are correct |
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5.
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T0B05 What is the purpose of a gin
pole?
a. | To temporarily replace guy wires | c. | To lift tower sections or antennas | b. | To be used in place of a safety harness | d. | To provide a
temporary ground |
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6.
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T0B06 What is the minimum safe distance from a
power line to allow when installing an antenna?
a. | Half the width of your property | c. | 1/2 wavelength at the operating frequency | b. | The height of the power line above ground | d. | Enough so that if
the antenna falls unexpectedly, no part of it can come closer than 10 feet to the power
wires |
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7.
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T0B07 Which of the
following is an important safety rule to remember when using a crank- up tower? a. | This type of tower must never be
painted | c. | This type of tower must not be climbed unless retracted
or mechanical safety locking devices
have been
installed | b. | This type of tower must never be
grounded | d. | All of these choices are correct |
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8.
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T0B08 What is
considered to be a proper grounding method for a tower? a. | A single four-foot ground rod, driven into the ground no
more than 12 inches from the base | c. | Separate eight-foot long ground rods for each tower leg, bonded to the tower
and each other | b. | A ferrite-core RF
choke connected between the tower and ground | d. | A connection
between the tower base and a cold water pipe |
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9.
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T0B09 Why should
you avoid attaching an antenna to a utility pole? a. | The antenna will not work properly because of induced
voltages | c. | The antenna could contact high-voltage power
lines | b. | The utility company will charge you an extra monthly
fee | d. | A. All of these choices are
correct |
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10.
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T0B10 Which of the following is true when
installing grounding conductors used for lightning protection?
a. | Only non-insulated wire must be
used | c. | Sharp bends must be avoided | b. | Wires must be carefully routed with precise right-angle
bends | d. | Common grounds must be avoided |
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11.
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TOB11 Which of the following establishes grounding
requirements for an amateur radio tower or antenna?
a. | FCC Part 97 Rules | c. | FAA
tower lighting regulations | b. | Local electrical
codes | d. | UL recommended practices |
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12.
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T0B12 Which of the following is good practice when
installing ground wires on a tower for lightning protection?
a. | Put a loop in the ground connection to prevent water
damage to the ground system | c. | Ensure that connections are short and
direct | b. | Make sure that all bends in the ground wires are clean,
right-angle bends | d. | All of these choices are
correct |
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13.
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T0B13 What is the purpose of a safety wire through
a turnbuckle used to tension guy lines?
a. | Secure the guy if the turnbuckle
breaks | c. | Prevent theft or vandalism | b. | Prevent loosening of the guy line from vibration | d. | Deter unauthorized
climbing of the tower |
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