Current Shareware 1994 January/SHAR194.ISO/hamradio/adv21.zip/ADV2.DAT

Text File | 1993-03-09 | 16KB | 500 lines

057A-17.3  CR252   Gettysburg
Where must the completed Form 610 be submitted after the
administration of a successful Novice examination?
A. To the nearest FCC Field Office
B. To the FCC in Washington, DC
C. To the FCC in Gettysburg, PA
D. To any VEC
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058A-18.1  BR249   74% correct of 30 = 22
What is the minimum passing score on a written examination
element for the Novice operator license?
A. A minimum of 19 correct answers
B. A minimum of 22 correct answers
C. A minimum of 21 correct answers
D. A minimum of 24 correct answers
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059A-18.2  DR249   Thirty
How many questions must an Element 2 written examination
contain?
A. 25
B. 50
C. 40
D. 30
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060A-18.3  BR250   Five
In a telegraphy examination, how many characters are
counted as one word?
A. 2
B. 5
C. 8
D. 10
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061A-19.1  CR252   Eighteen
What is the minimum age to be a volunteer examiner?
A. 16 years old
B. 21 years old
C. 18 years old
D. 13 years old
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062A-19.2  AR253   Under no circumstances may VEs|be compensated(paid) for their|services
Under what circumstances, if any, may volunteer examiners be
compensated for their services?
A. Under no circumstances
B. When out-of-pocket expenses exceed $25
C. The volunteer examiner may be compensated when traveling
   over 25 miles to the test site
D. Only when there are more than 20 applicants attending the
   examination session
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063A-19.3  AR252   None
Under what circumstances, if any, may a person whose
amateur station license or amateur operator license has
ever been revoked or suspended be a volunteer examiner?
A. Under no circumstances
B. Only if five or more years have elapsed since the
   revocation or suspension
C. Only if 3 or more years have elapsed since the revocation
   or suspension
D. Only after review and subsequent approval by the VEC
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064A-19.4  BR252   Limited
Under what circumstances, if any, may an employee of a
company which is engaged in the distribution of equipment
used in connection with amateur radio transmissions be a
volunteer examiner?
A. If the employee is employed in the amateur radio sales
   part of the company
B. If the employee does not normally communicate with the
   manufacturing or distribution part of the company
C. If the employee serves as a volunteer examiner for his
   /her customers
D. If the employee does not normally communicate with the
   benefits and policies part of the company
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065A-20.1  CR252   Loss of license
What are the penalties for fraudulently administering
examinations?
A. The VE's amateur station license may be suspended
   for a period not to exceed 3 months
B. The VE is subject to a monetary fine not to exceed
   $500 for each day the offense was committed
C. The VE's amateur station license may be revoked and
   the operator's license suspended
D. The VE may be restricted to administering only Novice
   class license examinations
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066A-20.2  DR252   Loss of license
What are the penalties for administering examinations for
money or other considerations?
A. The VE's amateur station license may be suspended for a
   period not to exceed 3 months
B. The VE is subject to a monetary fine not to exceed $500
   for each day the offense was committed
C. The VE will be restricted to administering only Novice
   class license examinations
D. The VE's amateur station license may be revoked and the
   operator's license suspended
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067B-1.1   D 2-1   Printed like weather maps
What is facsimile?
A. The transmission of characters by radioteletype that form
   a picture when printed
B. The transmission of still pictures by slow-scan television
C. The transmission of video by amateur television
D. The transmission of printed pictures for permanent display
   on paper
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068B-1.2   A 2-2   240 lpm
What is the modern standard scan rate for a facsimile
picture transmitted by an amateur station?
A. The modern standard is 240 lines per minute
B. The modern standard is 50 lines per minute
C. The modern standard is 150 lines per second
D. The modern standard is 60 lines per second
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069B-1.3   B 2-2   3.3 minutes per frame at 240 lpm
What is the approximate transmission time for a facsimile
picture transmitted by an amateur station?
A. Approximately 6 minutes per frame at 240 lpm
B. Approximately 3.3 minutes per frame at 240 lpm
C. Approximately 6 seconds per frame at 240 lpm
D. 1/60 second per frame at 240 lpm
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070B-1.4   B 2-1   Fax
What is the term for the transmission of printed
pictures by radio?
A. Television
B. Facsimile
C. Xerography
D. ACSSB
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071B-1.5   C 2-1   Photo-detector
In facsimile, how are variations in picture brightness
and darkness converted into voltage variations?
A. With an LED
B. With a Hall-effect transistor
C. With a photodetector
D. With an optoisolator
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072B-2.1   D 2-4   Still
What is slow-scan television?
A. The transmission of Baudot or ASCII signals
   by radio
B. The transmission of pictures for permanent
   display on paper
C. The transmission of moving pictures by radio
D. The transmission of still pictures by radio
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073B-2.2   B 2-4   Fifteen
What is the scan rate commonly used for amateur
slow-scan television?
A. 20 lines per minute
B. 15 lines per second
C. 4 lines per minute
D. 240 lines per minute
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074B-2.3   C 2-4   120 lines
How many lines are there in each frame of an amateur
slow-scan television picture?
A. 30
B. 60
C. 120
D. 180
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075B-2.4   C 2-4   Black 1500 Hz|White 2300 Hz
What is the audio frequency for black in an amateur
slow-scan television picture?
A. 2300 Hz
B. 2000 Hz
C. 1500 Hz
D. 120 Hz
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076B-2.5   D 2-4   Black 1500 Hz|White 2300 Hz
What is the audio frequency for white in an amateur
slow-scan television picture?
A. 120 Hz
B. 1500 Hz
C. 2000 Hz
D. 2300 Hz
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077C-1.1   C 3-1   Dense ionization
What is a sporadic-E condition?
A. Variations in E-layer height caused by sunspot variations
B. A brief increase in VHF signal levels from meteor trails
   at E-layer height
C. Patches of dense ionization at E-layer height
D. Partial tropospheric ducting at E-layer height
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078C-1.2   D 3-1   Propagation via sporadic-E is usually|seen at the low end of the VHF range
What is the propagation condition called where scattered
patches of relatively dense ionization develop seasonally
at E layer heights?
A. Auroral propagation
B. Ducting
C. Scatter
D. Sporadic-E
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079C-1.3   A 3-1   Warm regions
In what region of the world is sporadic-E most prevalent?
A. The equatorial regions
B. The arctic regions
C. The northern hemisphere
D. The polar regions
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080C-1.4   B 3-2   Low VHF
On which amateur frequency band is the extended-distance
propagation effect of sporadic-E most often observed?
A. 2 meters
B. 6 meters
C. 20 meters
D. 160 meters
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081C-1.5   A 3-1   Wind shear
What appears to be the major cause of the sporadic-E
condition?
A. Wind shear
B. Sunspots
C. Temperature inversions
D. Meteors
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082C-2.1   B 3-4   Phase differences
What is a selective fading effect?
A. A fading effect caused by small changes in beam heading
   at the receiving station
B. A fading effect caused by phase differences between radio
   wave components of the same transmission, as experienced
   at the receiving station
C. A fading effect caused by large changes in the height of
   the ionosphere, as experienced at the receiving station
D. A fading effect caused by time differences between the
   receiving and transmitting stations
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083C-2.2   C 3-3   Selective fading
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. Selective fading
D. Phase shift
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084C-2.3   D 3-4   Phase differences
What is the major cause of selective fading?
A. Small changes in beam heading at the receiving station
B. Large changes in the height of the ionosphere, as experienced
   at the receiving station
C. Time differences between the receiving and transmitting
   stations
D. Phase differences between radio wave components of the
   same transmission, as experienced at the receiving station
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085C-2.4   B 3-4   Wider bandwidths like AM & FM
Which emission modes suffer the most from selective
fading?
A. CW and SSB
B. FM and double sideband AM
C. SSB and AMTOR
D. SSTV and CW
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086C-2.5   A 3-4   The greater the signal bandwidth|the greater the effect
How does the bandwidth of the transmitted signal affect selective
fading?
A. It is more pronounced at wide bandwidths
B. It is more pronounced at narrow bandwidths
C. It is equally pronounced at both narrow and wide bandwidths
D. The receiver bandwidth determines the selective fading effect
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087C-3.1   D 3-5   Fluttery
What effect does auroral activity have upon radio
communications?
A. The readability of SSB signals increases
B. FM communications are clearer
C. CW signals have a clearer tone
D. CW signals have a fluttery tone
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088C-3.2   C 3-5   Charged particles
What is the cause of auroral activity?
A. A high sunspot level
B. A low sunspot level
C. The emission of charged particles from the sun
D. Meteor showers concentrated in the northern latitudes
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089C-3.3   B 3-6   To the Northern Lights
In the northern hemisphere, in which direction should a
directional antenna be pointed to take maximum advantage
of auroral propagation?
A. South
B. North
C. East
D. West
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090C-3.4   D 3-5   E-layer
Where in the ionosphere does auroral activity occur?
A. At F-layer height
B. In the equatorial band
C. At D-layer height
D. At E-layer height
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091C-3.5   A 3-6   Narrow like CW
Which emission modes are best for auroral propagation?
A. CW and SSB
B. SSB and FM
C. FM and CW
D. RTTY and AM
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092C-4.1   D 3-8   Bending
Why does the radio-path horizon distance exceed the
geometric horizon?
A. E-layer skip
B. D-layer skip
C. Auroral skip
D. Radio waves may be bent
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093C-4.2   A 3-8   Small amount
How much farther does the radio-path horizon distance
exceed the geometric horizon?
A. By approximately 15% of the distance
B. By approximately twice the distance
C. By approximately one-half the distance
D. By approximately four times the distance
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094C-4.3   B 3-8   Line of sight with some bending
To what distance is VHF propagation ordinarily limited?
A. Approximately 1000 miles
B. Approximately 500 miles
C. Approximately 1500 miles
D. Approximately 2000 miles
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095C-4.4   C 3-8   Ducting
What propagation condition is usually indicated when a VHF
signal is received from a station over 500 miles away?
A. D-layer absorption
B. Faraday rotation
C. Tropospheric ducting
D. Moonbounce
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096C-4.5   A 3-8   Dissipates energy
What happens to a radio wave as it travels in space and
collides with other particles?
A. Kinetic energy is given up by the radio wave
B. Kinetic energy is gained by the radio wave
C. Aurora is created
D. Nothing happens since radio waves have no physical
   substance
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097D-1.1   B 4-1   Highly accurate
What is a frequency standard?
A. A net frequency
B. A device used to produce a highly accurate reference
   frequency
C. A device for accurately measuring frequency to within 1 Hz
D. A device used to generate wideband random frequencies
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098D-1.2   A 4-1   Accurate reference
What is a frequency-marker generator?
A. A device used to produce a highly accurate reference
   frequency
B. A sweep generator
C. A broadband white noise generator
D. A device used to generate wideband random frequencies
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099D-1.3   B 4-1   Provides reference points
How is a frequency-marker generator used?
A. In conjunction with a grid-dip meter
B. To provide reference points on a receiver dial
C. As the basic frequency element of a transmitter
D. To directly measure wavelength
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100D-1.4   A 4-2   Frequency measuring device
What is a frequency counter?
A. A frequency measuring device
B. A frequency marker generator
C. A device that determines whether or not a given frequency
   is in use before automatic transmissions are made
D. A broadband white noise generator
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101D-1.5   D 4-2   Measuring frequency
How is a frequency counter used?
A. To provide reference points on an analog receiver dial
B. To generate a frequency standard
C. To measure the deviation in an FM transmitter
D. To measure frequency
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102D-1.6   C 4-3   Part-Per-Million=.000001 |1 ppm x 146.52 MHz=146.52
What is the most the actual transmitter frequency
could differ from a reading of 146,520,000-Hertz
on a frequency counter with a time base accuracy
of ± 1.0 ppm?
A. 165.2 Hz
B. 14.652 kHz
C. 146.52 Hz
D. 1.4652 MHz
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103D-1.7   A 4-3   .1 ppm = .0000001 or 1E-7|146.52E6*1E-7 = 14.652 Hz
What is the most the actual transmitter frequency
could differ from a reading of 146,520,000-Hertz
on a frequency counter with a time base accuracy
of ± 0.1 ppm?
A. 14.652 Hz
B. 0.1 MHz
C. 1.4652 Hz
D. 1.4652 kHz
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104D-1.8   D 4-3   10E-6*146.52E6 = 1465.2
What is the most the actual transmitter frequency
could differ from a reading of 146,520,000-Hertz
on a frequency counter with a time base accuracy
of ± 10 ppm?
A. 146.52 Hz
B. 10 Hz
C. 146.52 kHz
D. 1465.20 Hz
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105D-1.9   D 4-3   432.1E6*1E-6 = 432.1 Hz
What is the most the actual transmitter frequency
could differ from a reading of 432,100,000-Hertz
on a frequency counter with a time base accuracy
of ± 1.0 ppm?
A. 43.21 MHz
B. 10 Hz
C. 1.0 MHz
D. 432.1 Hz
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106D-1.10  A 4-3   432.1E6*.1E-6 = 43.21 Hz
What is the most the actual transmit frequency
could differ from a reading of 432,100,000-Hertz
on a frequency counter with a time base accuracy
of ± 0.1 ppm?
A. 43.21 Hz
B. 0.1 MHz
C. 432.1 Hz
D. 0.2 MHz
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107D-1.11  C 4-3   432.1E6*10E-6 = 4321 Hz
What is the most the actual transmit frequency
could differ from a reading of 432,100,000-Hertz
on a frequency counter with a time base accuracy
of ± 10 ppm?
A. 10 MHz
B. 10 Hz
C. 4321 Hz
D. 432.1 Hz
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108D-2.1   C 4-3   Variable LC oscillator with a meter
What is a dip-meter?
A. A field strength meter
B. An SWR meter
C. A variable LC oscillator with metered feedback current
D. A marker generator
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109D-2.2   D 4-3   To find the resonant  |frequency of a circuit
Why is a dip-meter used by many amateur operators?
A. It can measure signal strength accurately
B. It can measure frequency accurately
C. It can measure transmitter output power accurately
D. It can give an indication of the resonant frequency
   of a circuit
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110D-2.3   B 4-3   When the dip-meter is tuned to the  |resonant frequency of the circuit,  |power is coupled from the oscillator
How does a dip-meter function?
A. Reflected waves at a specific frequency desensitize
   the detector coil
B. Power coupled from an oscillator causes a decrease
   in metered current
C. Power from a transmitter cancels feedback current
D. Harmonics of the oscillator cause an increase in
   resonant circuit Q
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111D-2.4   D 4-3   To measure the resonant frequency|of antenna traps and LC circuits
What two ways could a dip-meter be used in an amateur
station?
A. To measure resonant frequency of antenna traps and to
   measure percentage of modulation
B. To measure antenna resonance and to measure percentage
   of modulation
C. To measure antenna resonance and to measure antenna
   impedance
D. To measure resonant frequency of antenna traps and to
   measure a tuned circuit resonant frequency
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112D-2.5   B 4-4   Inductive and capacitive
What types of coupling occur between a dip-meter and a
tuned circuit being checked?
A. Resistive and inductive
B. Inductive and capacitive
C. Resistive and capacitive
D. Strong field
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113D-2.6   A 4-4   As loosely coupled as possible
How tight should the dip-meter be coupled with the tuned
circuit being checked?
A. As loosely as possible, for best accuracy
B. As tightly as possible, for best accuracy
C. First loose, then tight, for best accuracy
D. With a soldered jumper wire between the meter and the
   circuit to be checked, for best accuracy
*