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HAMBONE.QST
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1990-05-26
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641 lines
█▀███▀██▀▀▀▀▀██▀▀▀▀▀█
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▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀ TEST QUESTION LIBRARY
│ ┌──┐ ┌───┐
├──┐ │ │ ├──┐ ├───┘
│ │ └──┘ │ │ └───┘
└──┘ └
*/..................................................
To edit, add or delete questions with a text editor.
follow the EXACT formula as shown. .
.
! + n = question # .
# = ANSWER .
% = END OF CLASS QUESTIONS .
@ = CLASS OF LICENSE .
.
Keep answers short enough to fit in the HAMBONE .
window screen. .
*/..................................................
!1: What is the control point of an amateur station?
A. The operating position of an amateur radio station where the control
operator function is performed.
B. The operating position of any amateur radio station operating as a
repeater user station.
C. The physical location of any amateur radio transmitter even if it is
operated by radio link from some other location.
#ANSWER:A
@NOVICE
!2: Notwithstanding the numerical limitations in the FCC rules how
much transmitting power shall be used by an amateur radio station?
A. There is nor regulation other than numerical limits.
B. The minimum power required to achieve S9 signal reports.
C. The minimum power necessary to carry out the communication.
D. The maximum power level.
#ANSWER:C
@NOVICE
!3: What is the maximum transmitting power permitted an amateur
station transmitting on 3725-kHZ?
A. 200 watts PEP output.
B. 1000 watts DC input.
C. 1500 watts PEP output.
D. 2000 watts DC input.
#ANSWER:A
@NOVICE
!4:What is the maximum transmitting power permitted on an amateur station
transmitting on 7080 kHz ?
A. 200 Watts PEP output.
B. 1000 watts DC input on SSB.
C. 1500 watts PEP output.
D. 2000 watts DC input.
#ANSWER:C
@NOVICE
!5: What is the maximum transmitting power permitted an amateur
station transmitting on 21.150 MHz?
A. 200 watts PEP.
B. 1000 watts dc input providing the transmission is A3.
C. 1500 watts dc input.
D. 1500 watts PEP output.
#ANSWER:A
@NOVICE
!6: Under what circumstances may a third party directly
participate in radiocommunications from an amateur station?
A. A control operator must be present and continuously
monitor and supervise the radio communication to insure
compliance with the rules.
B. If the station is licensed to the holder of an Extra-Class
license and the station is operated in the Novice band the
operator need not be present.
C. If the operation is above 450 MHz the operator need not be
present.
#ANSWER:A
@NOVICE
!7: Under what circumstances may a third party assume control
of an amateur radio station?
A. If the third party holds a valid commercial radiotelegraph
license he or she may act as operator.
B. Under no circumstances may a third party assume the functions
of control operator.
C. During Field Day the third party may act as control operator.
#ANSWER:B
@NOVICE
!8: Which operator licenses authorize privileges on the
frequency 52.525 MHz?
A. Extra-Advanced only.
B. Extra-Advanced-General only.
C. Extra-Advanced-General-Technician only.
D. Extra-Advanced-General-Technician-Novice only.
#ANSWER:C
@NOVICE
!9: On what frequencies may A1 emissions be transmitted?
A. Any frequency within the amateur-radio spectrum.
B. Any frequency authorized to amateur operators between
and including 160 meters and 10 meters.
C. Only on the 2-meter and the 6-meter amateur bands.
D. Only on the 30-meter band.
#ANSWER:A
@NOVICE
!10: What information must be affixed in writing to the transmitter in
order to operate under the special rules for radio control of remote model
craft vehicles?
A. Station call sign.
B. Station call sign and operating times.
C. Station's call sign and licensee's name and address.
D. Station call sign and class of license.
#ANSWER:C
@NOVICE
!11: When A2 or F1 or F2 emissions are transmitted on frequencies below 50
MHz what is the maximum radio or audio frequency shift permitted?
A. 100 Hz
B. 500 Hz
C. 1000 Hz
D. 5000 Hz
#ANSWER:C
@NOVICE
!12: What is meant by the term broadcasting?
A. The dissemination of radio communications intended to be
received by the public directly or through the intermediary of relay
stations.
B. The transmission of any one-way radio communication regardless of
purpose or content.
C. Any one-way or two-way radio communication involving more than two
stations.
#ANSWER:A
@NOVICE
!13: What is the meaning of: Your report is three-three..?
A. Your signal is readable with considerable difficulty and weak in
strength.
B. The station is located at latitude 33 degrees.
C. The contact is unreadable and very weak in strength.
#ANSWER:A
@NOVICE
!14: What type of emission is produced by a radiotelephone that
uses a balanced modulator followed by a 2.5 kHz bandpass filter?
A. SSB
B. PM
C. AM
D. FM
#ANSWER:A
@NOVICE
!15: In what segment of the 20 meter band do most amateur RTTY
communications take place?
A. Between 14.000 and 14.150 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
#ANSWER:B
@NOVICE
!16: What is the term to describe radio signals bouncing off
of the ionosphere?
A. Refraction
B. Skip
C. Ionization
D. Long delayed echos
#ANSWER:B
@NOVICE
!17: What is the value of a resistor with the color code of
Orange-Red-Green?
A. 320 K Ohms
B. 4.5 Meg Ohms
C. 45 Meg Ohms
D. 4.6 Meg Ohms
E. 4.2 Meg Ohms
#ANSWER:E
@NOVICE
!18: What is the approximate dc input power to a Class AB power amplifier
stage in a transmitter when the emission is A0 and the PEP output is 500 watts?
A. 250 watts
B. 600 watts
C. 800 watts
D. 1000 watts
#ANSWER:D
@NOVICE
!19: What is the purpose of a dummy load?
A. To allow off-the-air transmitter testing.
B. To reduce output power for QRP operation.
C. To give comparative signal reports.
D. To allow transmatch tuning without causing interference.
#ANSWER:A
@NOVICE
!20: A picofarad equals how many farads?
A. 0.001.F
B. 0.000001 F
C. 0.000000001 F
D. 0.000000000001 F
#ANSWER:D
@NOVICE
!21: How much further does the radio-path horizon distance exceed
the geometric horizon?
A. By approximately twice the distance.
B. By approximately four times the distance.
C. By approximately 1/3 the distance.
D. By approximately 1/2 the distance.
#ANSWER:C
@TECHNICIAN
!22: A frequency counter indicates a transmit frequency of 146,520,000 Hz.
The counter has a time base accuracy of +/- 1.0 ppm. What is the
most the actual transmitter frequency could differ from the counter
reading?
A. 146.52 Hz
B. 165.2 Hz
C. 1.4652 MHz
D. 14.652 kHz
#ANSWER:A
@TECHNICIAN
!23: What is a dip meter?
A. A field strength meter.
B. A variable LC oscillator with metered feedback current.
C. A marker generator.
D. An SWR meter.
#ANSWER:B
@TECHNICIAN
!24: What can occur when a non-linear amplifier is used with an
emission J3E transmitter?
A. Reduced amplifier efficiency.
B. Distortion.
C. Sideband inversion.
D. Increased intelligibility.
#ANSWER:B
@TECHNICIAN
!25: What is capture effect?
A. All signals on a frequency are demodulated by an FM receiver.
B. All signals on a frequency are demodulated by an AM receiver.
C. The weakest signal received is the only demodulated signal.
D. The loudest signal received is the only demodulated signal.
#ANSWER:D
@TECHNICIAN
!26: What are the frequency privileges authorized to the Advance class
operator in the 75 meter band?
A. 3525 kHz to 3750 kHz and 3775 kHz to 4000 kHz.
B. 3500 kHz to 3525 kHz and 3800 kHz to 4000 kHz.
C. 3500 kHz to 3525 kHz and 3800 kHz to 3890 kHz.
D. 3525 kHz to 3775 kHz and 3800 kHz to 4000 kHz.
#ANSWER:A
@TECHNICIAN
!27: What are the frequency privileges authorized to the Advanced class
operator in the 15 meter band?
A. 21000 kHz to 21200 kHz and 21250 kHz to 21450 kHz.
B. 21000 kHz to 21200 kHz and 21300 kHz to 21450 kHz.
C. 21025 kHz to 21200 kHz and 21225 kHz to 21450 kHz.
D. 21025 kHz to 21250 kHz and 21270 kHz to 21450 kHz.
#ANSWER:C
@TECHNICIAN
!28: What is the propagation effect called when phase differences
between radio wave components of the same transmission are
experienced at the recovery station?
A. Faraday rotation.
B. Diversity reception.
C. Phase shift.
D. Selective fading.
#ANSWER:D
@TECHNICIAN
!29: What is responsible for the phenomenon when voltages across
reactances in series can often be larger than the voltages
applied to them?
A. Capacitance
B. Conductance
C. Resonance
D. Resistance
#ANSWER:C
@TECHNICIAN
!30: Under what conditions does resonance occur in an electrical circuit?
A. When the power factor is at a minimum.
B. When inductive and capacitive reactances are equal.
C. When the square root of the sum of the capacitive and inductive
reactances is equal to the resonant frequency.
D. When the square root of the product of the capacitive and inductive
reactances is equal to the resonant frequency.
#ANSWER:B
@TECHNICIAN
!31: What is the characteristic of the current flow in a series R-L-C
circuit at resonance?
A. It is at a minimum.
B. It is at a maximum.
C. It is DC.
D. It is zero.
E. None of the above.
#ANSWER:B
@TECHNICIAN
!32: At VHF and high frequencies, where does practically all of the
current flow in a conductor?
A. Along the surface.
B. In the center of the conductor.
C. In the magnetic field around the conductor.
D. In the electromagnetic field around the conductor.
#ANSWER:A
@TECHNICIAN
!33: What is the half-power bandwidth of a parallel resonant circuit
which has a resonant frequency of 7.1 MHz and a Q of 150?
A. 211 kHz
B. 16.5 kHz
C. 47.3 kHz
D. 21.1 kHz
E. 3.7 kHz
#ANSWER:C
@TECHNICIAN
!34: A circuit with a power factor of 0.2 has an input voltage of
100 volts and draws 4 amperes. How many watts are actually
being consumed?
A. 400 watts
B. 2000 watts
C. 80 watts
D. 50 watts
#ANSWER:C
@TECHNICIAN
!35: What special type of diode is capable of both amplification and
oscillation?
A. Point contact diodes.
B. Tunnel diodes.
C. Zener diodes.
D. Junction diodes.
#ANSWER:B
@TECHNICIAN
!36: What is a common use for PIN diodes?
A. As an RF switch.
B. As a constant current source.
C. As a constant voltage source.
D. As a high voltage rectifier.
#ANSWER:A
@TECHNICIAN
!37: What are the three terminals of a bipolar transistor?
A. Cathode, plate and grid.
B. Gate, source and sink.
C. Input, output and ground.
D. Base, collector and emitter.
#ANSWER:D
@TECHNICIAN
!38: What is a disadvantage of using a trap antenna?
A. It will have a high SWR.
B. It can only be used for single band operation.
C. It is too sharply directional at the lower amateur frequencies.
D. It must be neutralized.
E. It will radiate harmonics.
#ANSWER:E
@TECHNICIAN
!39: For a parasitic element beam antenna, how does the length of the
director compare with that of the driven element?
A. It is twice as long.
B. It is one-half as long.
C. It is about 5% shorter.
D. It is about 5% longer.
#ANSWER:C
@TECHNICIAN
!40: Why does a half-wave antenna operate at very high efficiency?
A. Because it is non-resonant.
B. Because the conductor resistance li low compared to the radiation
resistance.
C. Because it has less corona from the element ends.
D. Because earth induced currents add to its radiated power.
#ANSWER:B
@TECHNICIAN
!41: What frequency privileges are authorized to the General operator in
the 160 meter band?
A. 1800 TO 2000 kHz ONLY
B. 1800 TO 1900 kHz ONLY
C. 1825 TO 2000 kHz ONLY
D. 1900 TO 2000 kHz ONLY
#ANSWER:A
@GENERAL
!42: What frequency privileges are authorized to the General operator in
the 40 meter band?
A. 7025 to 7175 and 7200 to 7300 kHz ONLY
B. 7025 to 7175 and 7225 to 7300 kHz ONLY
C. 7025 to 7150 and 7225 to 7300 kHz ONLY
D. 7025 to 7150 and 7200 to 7300 kHz ONLY
#ANSWER:C
@GENERAL
!43: What is the maximum frequency shift permitted for emission F1B when
transmitted below 50 mHz?
A. 1000 Hz
B. 100 Hz
C. 500 Hz
D. 5000 Hz
#ANSWER:A
@GENERAL
!44: What is meant by the term flattopping in an emission J3E
transmission?
A. Signal distortion caused by insufficiant collector current.
B. The xmtrs automatic level control is properly adjusted.
C. Signal distortion caused by excessive drive.
D. The xmtr carrier is properly suppressed.
#ANSWER:C
@GENERAL
!45: In which segment of the 20 meter band do most F1B transmissions take
place?
A. Between 14.075 and 14.100
B. Between 14.000 and 14.050
C. Between 14.150 and 14.225
D. Between 14.275 and 14.350
#ANSWER:A
@GENERAL
!46: What is meant by the term BAUDOT?
A. Baudot is a 5-bit code, with additional start and stop bits.
B. Baudot is a 7-bit code, with start, stop and parity bits.
C. Baudot is a 8-bit code, with start, stop and parity bits.
D. Baudot is a 5-bit code, with additional start, stop and parity bits.
#ANSWER:A
@GENERAL
!47: What is the most common frequency shift for emission F1B
transmissions in the amateur HF bands?
A. 85 Hz
B. 170 Hz
C. 425 Hz
D. 850 Hz
#ANSWER:B
@GENERAL
!48: What is the solar-flux index?
A. A measure of past solar activity.
B. Another name for the American sun spot number.
C. Daily readings of sun spot activity.
D. Sun spot readings taken every six months.
#ANSWER:C
@GENERAL
!49: Ducting occurs in which region of the atmosphere?
A. Troposphere
B. Stratosphere
C. Ionosphere
#ANSWER:A
@GENERAL
!50: Where should the white wire in a three-wire line cord be attached to
a power supply?
A. To the fuse.
B. To the black wire.
C. To one side of the transformer's primary winding.
D. To the rectifier section.
#ANSWER:C
@GENERAL
!51: What safety feature is provided by a bleeder resistor in a power
supply?
A. It improves voltage regulation.
B. It removes shock hazards from the induction coils.
C. It discharges the filter capacitors.
D. It eliminates ground loop current.
#ANSWER:C
@GENERAL
!52: What can be determined by making a two-tone test using an
oscilloscope?
A. The amplifier linearity.
B. The percent of carrier phase shift.
C. The percent of frequency modulation.
D. The frequency deviation.
#ANSWER:A
@GENERAL
!53: What is the output PEP from a transmitter when an oscilloscope shows
200 volts peak-to-peak across a 50 ohm resistor connected to the xmtr output
terminals?
A. 100 watts
B. 200 watts
C. 400 watts
D. 1000 watts
#ANSWER:A
@GENERAL
!54: How can the range of an ammeter be extended?
A. By adding resistance in parallel with the meter.
B. By adding resistance in series with the circuit under test.
C. By adding resistance in parallel with the circuit under test.
D. By adding resistance in series with the meter.
#ANSWER:A
@GENERAL
!55: When a transmitter is 100% modulated, will a speech processor
increase the output PEP?
A. Yes
B. No
C. It will decrease the xmtrs peak power output.
D. It will decrease the xmtrs average power output.
#ANSWER:B
@GENERAL
!56: What station accessory facilitates QSK operation?
A. Oscilloscope
B. Electronic T/R switch
C. Antenna relay
D. Audio CW filter
#ANSWER:B
@GENERAL
!57: A transmatch is a device for...
A. Varying the resonant frequency of an antenna.
B. Varying the tuning rate of the transmitter.
C. Varying the electrical length of an antenna.
D. Varying the load presented to the antenna from the xmtr.
E. Varying the impedance presented to the xmtr.
#ANSWER:E
@GENERAL
!58: By how many times must the power output from a transmitter be
increased to raise the S-meter reading on a nearby receiver from S-8 to S-9?
A. 2 times
B. 3 times
C. 5 times
D. 4 times
#ANSWER:D
@GENERAL
!59: What value is a resistor with a color code of YELLOW-VIOLET-GREEN?
A. 4.7 meg
B. 2.2 K
C. 47 meg
D. 470 K
#ANSWER:A
@GENERAL
!60: What is the unit measurement of resistance?
A. Volt
B. Ampere
C. Joule
D. Ohm
#ANSWER:D
@GENERAL
% END OF FILE MARKER