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ELE3BB
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1992-01-26
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FCC GENERAL Exam Question Pool. Subelement 3BB.
Operating Procedures. ? Questions.
---------------------------------------------------
3BB 1.4 C
What is meant by the term flattopping in a single-sideband phone
transmission?
A. Signal distortion caused by insufficient collector current
B. The transmitter's automatic level control is properly adjusted
C. Signal distortion caused by excessive drive
D. The transmitter's carrier is properly suppressed
3BB 1.5 B
How should the microphone gain control be adjusted on a single-
sideband phone transmitter?
A. For full deflection of the ALC meter on modulation peaks
B. For slight movement of the ALC meter on modulation peaks
C. For 100% frequency deviation on modulation peaks
D. For a dip in plate current
3BB 2.1 B
In what segment of the 20-meter wavelength band do most
RTTY transmissions take place?
A. Between 14.000 and 14.050 MHz
B. Between 14.075 and 14.100 MHz
C. Between 14.150 and 14.225 MHz
D. Between 14.275 and 14.350 MHz
3BB 2.2 A
In what segment of the 80-meter wavelength band do most
RTTY transmissions take place?
A. 3.610 to 3.630 MHz
B. 3500 to 3525 kHz
C. 3700 to 3750 kHz
D. 3.775 to 3.825 MHz
3BB 2.3 C
What is meant by the term Baudot?
A. Baudot is a 7-bit code, with start, stop and parity bits
B. Baudot is a 7-bit code in which each character has four mark
and three space bits
C. Baudot is a 5-bit code, with additional start and stop bits
D. Baudot is a 6-bit code, with additional start, stop and parity
bits
3BB 2.4 A
What is meant by the term ASCII?
A. ASCII is a 7-bit code, with additional start, stop and parity
bits
B. ASCII is a 7-bit code in which each character has four mark
and three space bits
C. ASCII is a 5-bit code, with additional start and stop bits
D. ASCII is a 5-bit code in which each character has three mark
and two space bits
3BB 2.6 B
What is the most common frequency shift for RTTY emissions in
the amateur HF bands?
A. 85 Hz
B. 170 Hz
C. 425 Hz
D. 850 Hz
3BB 2.10 C
What are the two subset modes of AMTOR?
A. A mark of 2125 Hz and a space of 2295 Hz
B. Baudot and ASCII
C. ARQ and FEC
D. USB and LSB
3BB 2.11 D
What is the meaning of the term ARQ?
A. Automatic Repeater Queue
B. Automatic Receiver Quieting
C. Automatically Resend Quickly
D. Automatic Repeat Request
3BB 2.12 B
What is the meaning of the term FEC?
A. Frame Error Check
B. Forward Error Correction
C. Frequency Envelope Control
D. Frequency Encoded Connection
3BB 3.8 A
What is a band plan?
A. An outline adopted by Amateur Radio operators for operating
within a specific portion of radio spectrum
B. An arrangement for deviating from FCC Rules and Regulations
C. A schedule for operating devised by the Federal
Communications Commission
D. A plan devised for a club on how best to use a band during a
contest
3BB 3.12 A
What is the usual input/output frequency separation for a
10 meter station in repeater operation?
A. 100 kHz
B. 600 kHz
C. 1.6 MHz
D. 170 Hz
3BB 4.1 A
What is meant by the term VOX transmitter control?
A. Circuitry that causes the transmitter to transmit
automatically when the operator speaks into the microphone
B. Circuitry that shifts the frequency of the transmitter when
the operator switches from radiotelegraphy to radiotelephony
C. Circuitry that activates the receiver incremental tuning in a
transceiver
D. Circuitry that isolates the microphone from the ambient noise
level
3BB 4.2 B
What is the common name for the circuit that causes a
transmitter to automatically transmit when a person
speaks into the microphone?
A. VXO
B. VOX
C. VCO
D. VFO
3BB 5.1 D
What is meant by the term full break-in telegraphy?
A. A system of radiotelegraph communication in which the
breaking station sends the Morse Code symbols BK
B. A system of radiotelegraph communication in which only
automatic keyers can be used
C. A system of radiotelegraph communication in which the
operator must activate the send-receive switch after
completing a transmission
D. A system of radiotelegraph communication in which the
receiver is sensitive to incoming signals between
transmitted key pulses
3BB 5.2 C
What Q signal is used to indicate full break-in telegraphy
capability?
A. QSB
B. QSF
C. QSK
D. QSV
3BB 6.1 B
When selecting a CW transmitting frequency, what is the
minimum frequency separation from a QSO in progress that
should be allowed in order to minimize interference?
A. 5 to 50 Hz
B. 150 to 500 Hz
C. Approximately 3 kHz
D. Approximately 6 kHz
3BB 6.2 B
When selecting a single-sideband phone transmitting frequency,
what is the minimum frequency separation from a QSO in progress
that should be allowed in order to minimize interference?
A. 150 to 500 Hz between suppressed carriers
B. Approximately 3 kHz between suppressed carriers
C. Approximately 6 kHz between suppressed carriers
D. Approximately 10 kHz between suppressed carriers
3BB 6.3 B
When selecting a RTTY transmitting frequency, what is the
minimum frequency separation from a QSO in progress that
should be allowed in order to minimize interference?
A. Approximately 45 Hz center to center
B. Approximately 250 to 500 Hz center to center
C. Approximately 3 kHz center to center
D. Approximately 6 kHz center to center
3BB 7.1 B
What is an azimuthal map?
A. A map projection that is always centered on the North Pole
B. A map projection, centered on a particular location, that
determines the shortest path between two points on the
surface of the earth
C. A map that shows the angle at which an amateur satellite
crosses the equator
D. A map that shows the number of degrees longitude that an
amateur satellite appears to move westward at the equator
with each orbit
3BB 7.2 A
How can an azimuthal map be helpful in conducting international
HF radio communications?
A. It is used to determine the proper beam heading for the
shortest path to a DX station
B. It is used to determine the most efficient transmitting antenna
height to conduct the desired communication
C. It is used to determine the angle at which an amateur satellite
crosses the equator
D. It is used to determine the maximum usable frequency (MUF)
3BB 7.3 A
What is the most useful type of map when orienting a directional
antenna toward a station 5,000 miles distant?
A. Azimuthal
B. Mercator
C. Polar projection
D. Topographical
3BB 7.4 C
A directional antenna pointed in the long-path direction
to another station is generally oriented how many degrees
from the short-path heading?
A. 45 degrees
B. 90 degrees
C. 180 degrees
D. 270 degrees
3BB 7.5 C
What is the short-path heading to Antarctica?
A. Approximately 0 degrees
B. Approximately 90 degrees
C. Approximately 180 degrees
D. Approximately 270 degrees
3BB 8.1 C
When permitted, transmissions to amateur stations in another
country must be limited to only what type of messages?
A. Messages of any type are permitted
B. Messages that compete with public telecommunications
services
C. Messages of a technical nature or remarks of a personal
character of relative unimportance
D. Such transmissions are never permitted
3BB 8.2 B
In which International Telecommunication Union Region
is the continental United States?
A. Region 1
B. Region 2
C. Region 3
D. Region 4
3BB 8.3 B
In which International Telecommunication Union Region
is Alaska?
A. Region 1
B. Region 2
C. Region 3
D. Region 4
3BB 8.4 C
In which International Telecommunication Union Region
is American Samoa?
A. Region 1
B. Region 2
C. Region 3
D. Region 4
3BB 8.5 C
For uniformity in international radio communication,
what time measurement standard should Amateur Radio
operators worldwide use?
A. Eastern Standard Time
B. Uniform Calibrated Time
C. Coordinated Universal Time
D. Universal Time Control
3BB 8.6 B
In which International Telecommunication Union Region
is Hawaii?
A. Region 1
B. Region 2
C. Region 3
D. Region 4
3BB 8.7 C
In which International Telecommunication Union Region are the
Northern Mariana Islands?
A. Region 1
B. Region 2
C. Region 3
D. Region 4
3BB 8.8 C
In which International Telecommunication Union Region
is Guam?
A. Region 1
B. Region 2
C. Region 3
D. Region 4
3BB 8.9 C
In which International Telecommunication Union Region
is Wake Island?
A. Region 1
B. Region 2
C. Region 3
D. Region 4
3BB 10.1 A
What is the Amateur Auxiliary to the FCC's Field Operations
Bureau?
A. Amateur Volunteers formally enlisted to monitor the airwaves
for rules violations
B. Amateur Volunteers who conduct Amateur Radio licensing
examinations
C. Amateur Volunteers who conduct frequency coordination for
amateur VHF repeaters
D. Amateur Volunteers who determine height above average terrain
measurements for repeater installations
3BB 10.2 B
What are the objectives of the Amateur Auxiliary to the FCC's
Field Operations Bureau?
A. To enforce amateur self-regulation and compliance with the
rules
B. To foster amateur self-regulation and compliance with the
rules
C. To promote efficient and orderly spectrum usage in the
repeater subbands
D. To provide emergency and public safety communications
--------------------------------------------------
End of Subelement 3BB.