T0C Routine station evaluation (Practical
applications for VHF/UHF
and
above operations)
T0C01
@T0D01
If you
do not have the equipment to measure the RF power densities
present
at your station, what might you do to ensure compliance with
the FCC
RF radiation exposure limits?
A. Use one or more of the methods included in
the amateur supplement
to FCC
OET Bulletin 65
B. Call an FCC-Certified Test Technician to
perform the measurements
for you
C. Reduce power from 200 watts PEP to 100 watts
PEP
D. Operate only low-duty-cycle modes such as FM
T0C02
@T0D04
Is it
necessary for you to perform mathematical calculations of the RF
radiation
exposure if your station transmits with more than 50 watts
peak
envelope power (PEP)?
A. Yes, calculations are always required to
ensure greatest accuracy
B. Calculations are required if your station is
located in a densely
populated
neighborhood
C. No, calculations may not give accurate
results, so measurements
are
always required
D. No, there are alternate means to determine
if your station meets
the RF
radiation exposure limits
T0C03
@N0E04
Why
should you make sure the antenna of a hand-held transceiver is not
too
close to your head when transmitting?
A. To help the antenna radiate energy equally
in all directions
B. To reduce your exposure to the
radio-frequency energy
C. To use your body to reflect the signal in
one direction
D. To keep electrostatic charges from harming
the operator
T0C04
@N0E05
What
should you do for safety if you put up a UHF transmitting
antenna?
A. Make sure the antenna will be in a place
where no one can get near
it when
you are transmitting
B. Make sure that RF field screens are in place
C. Make sure the antenna is near the ground to
keep its RF energy
pointing
in the correct direction
D. Make sure you connect an RF leakage filter
at the antenna feed
point
T0C05
@N0E06
How
should you position the antenna of a hand-held transceiver while
you are
transmitting?
A. Away from your head and away from others
B. Towards the station you are contacting
C. Away from the station you are contacting
D. Down to bounce the signal off the ground
T0C06
@N0E07
Why
should your antennas be located so that no one can touch them
while
you are transmitting?
A. Touching the antenna might cause television
interference
B. Touching the antenna might cause RF burns
C. Touching the antenna might cause it to
radiate harmonics
D. Touching the antenna might cause it to go
into self-oscillation
T0C07
@T0E01
For the
lowest RF radiation exposure to passengers, where would you
mount
your mobile antenna?
A. On the trunk lid
B. On the roof
C. On a front fender opposite the broadcast
radio antenna
D. On one side of the rear bumper
T0C08
@T0E02
What
should you do for safety before removing the shielding on a UHF
power
amplifier?
A. Make sure all RF screens are in place at the
antenna feed line
B. Make sure the antenna feed line is properly
grounded
C. Make sure the amplifier cannot accidentally
be turned on
D. Make sure that RF leakage filters are
connected
T0C09
@T0E03
Why might
mobile transceivers produce less RF radiation exposure than
hand-held
transceivers in mobile operations?
A. They do not produce less exposure because they usually have
higher
power levels.
B. They have a higher duty cycle
C. When mounted on a metal vehicle roof, mobile
antennas are
generally
well shielded from vehicle occupants
D. Larger transmitters dissipate heat and
energy more readily
T0C10
@T0E04
What
are some reasons you should never
operate a power amplifier
unless
its covers are in place?
A. To maintain the required high operating
temperatures of the
equipment
and reduce RF radiation exposure
B. To reduce the risk of shock from high
voltages and reduce RF
radiation
exposure
C. To ensure that the amplifier will go into
self oscillation and to
minimize
the effects of stray capacitance
D. To minimize the effects of stray inductance
and to reduce the risk
of
shock from high voltages