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Assignment 5

Multiple Choice
Identify the choice that best completes the statement or answers the question.
 

 1. 

T1A14 What must you do if you are operating on the 23 cm band and learn that you are interfering with a radiolocation station outside the United States?
a.
Stop operating or take steps to eliminate the harmful interference
c.
Establish contact with the radiolocation station and ask them to change frequency
b.
Nothing, because this band is allocated exclusively to the amateur service
d.
Change to CW mode, because this would not likely cause interference
 

 2. 

T1B03 Which frequency is within the 6 meter band?
a.
49.00 MHz
c.
28.50 MHz
b.
52.525 MHz
d.
222.15 MHz
 

 3. 

T1B04 Which amateur band are you using when your station is transmitting on 146.52 MHz?
a.
2 meter band
c.
14 meter band
b.
20 meter band
d.
6 meter band
 

 4. 

T1B05 Which 70 cm frequency is authorized to a Technician Class license holder operating in ITU Region 2?
a.
53.350 MHz
c.
443.350 MHz
b.
146.520 MHz
d.
222.520 MHz
 

 5. 

T1B06 Which 23 cm frequency is authorized to a Technician Class licensee?
a.
2315 MHz
c.
3390 MHz
b.
1296 MHz
d.
146.52 MHz
 

 6. 

T1B07 What amateur band are you using if you are transmitting on 223.50 MHz?
a.
15 meter band
c.
2 meter band
b.
10 meter band
d.
1.25 meter band
 

 7. 

T1B08 Which of the following is a result of the fact that the amateur service is secondary in some portions of the 70 cm band?
a.
U.S. amateurs may find non-amateur stations in the bands, and must avoid interfering with them
c.
International communications are not permitted on 70 cm
b.
U.S. amateurs must give foreign amateur stations priority in those portions
d.
Digital transmissions are not permitted on 70 cm
 

 8. 

T1B09 Why should you not set your transmit frequency to be exactly at the edge of an amateur band or sub-band?
a.
To allow for calibration error in the transmitter frequency display
c.
To allow for transmitter frequency drift
b.
So that modulation sidebands do not extend beyond the band edge
d.
All of these choices are correct
 

 9. 

T1B10 Which of the bands above 30 MHz that are available to Technician Class operators have mode-restricted sub-bands?
a.
The 6 meter, 2 meter, and 70 cm bands
c.
The 6 meter, 2 meter, and 1.25 meter bands
b.
The 2 meter and 13 cm bands
d.
The 2 meter and 70 cm bands
 

 10. 

T1B11 What emission modes are permitted in the mode-restricted sub-bands at 50.0 to 50.1 MHz and 144.0 to 144.1 MHz?
a.
CW only
c.
SSB only
b.
CW and RTTY
d.
CW and SSB
 

 11. 

T1B13 Which emission may be used between 219 and 220 MHz?
a.
Spread spectrum
c.
SSB voice
b.
Data
d.
Fast-scan television
 

 12. 

T2A02 What is the national calling frequency for FM simplex operations in the 70 cm band?
a.
146.520 MHz
c.
432.100 MHz
b.
145.000 MHz
d.
446.000 MHz
 

 13. 

T2A10 What is a band plan, beyond the privileges established by the FCC?
a.
A voluntary guideline for using different modes or activities within an amateur band
c.
A list of scheduled net frequencies
b.
A mandated list of operating schedules
d.
A plan devised by a club to indicate frequency band usage
 

 14. 

T3A07 What type of wave carries radio signals between transmitting and receiving stations?
a.
Electromagnetic
c.
Surface acoustic
b.
Electrostatic
d.
Magnetostrictive
 

 15. 

T3B01 What is the name for the distance a radio wave travels during one complete cycle?
a.
Wave speed
c.
Wavelength
b.
Waveform
d.
Wave spread
 

 16. 

T3B03 What are the two components of a radio wave?
a.
AC and DC
c.
Electric and magnetic fields
b.
Voltage and current
d.
Ionizing and non-ionizing radiation
 

 17. 

T3B04 How fast does a radio wave travel through free space?
a.
At the speed of light
c.
Its speed is inversely proportional to its wavelength
b.
At the speed of sound
d.
Its speed increases as the frequency increases
 

 18. 

T3B05 How does the wavelength of a radio wave relate to its frequency?
a.
The wavelength gets longer as the frequency increases
c.
There is no relationship between wavelength and frequency
b.
The wavelength gets shorter as the frequency increases
d.
The wavelength depends on the bandwidth of the signal
 

 19. 

T3B06 What is the formula for converting frequency to approximate wavelength in meters?
a.
Wavelength in meters equals frequency in hertz multiplied by 300
c.
Wavelength in meters equals frequency in megahertz divided by 300
b.
Wavelength in meters equals frequency in hertz divided by 300
d.
Wavelength in meters equals 300 divided by frequency in megahertz
 

 20. 

T3B07 What property of radio waves is often used to identify the different frequency bands?
a.
The approximate wavelength
c.
The time it takes for waves to travel one mile
b.
The magnetic intensity of waves
d.
The voltage standing wave ratio of waves
 

 21. 

T3B08 What are the frequency limits of the VHF spectrum?
a.
30 to 300 kHz
c.
300 to 3000 kHz
b.
30 to 300 MHz
d.
300 to 3000 MHz
 

 22. 

T3B09 What are the frequency limits of the UHF spectrum?
a.
30 to 300 kHz
c.
300 to 3000 kHz
b.
30 to 300 MHz
d.
300 to 3000 MHz
 

 23. 

T3B10 What frequency range is referred to as HF?
a.
300 to 3000 MHz
c.
3 to 30 MHz
b.
30 to 300 MHz
d.
300 to 3000 kHz
 

 24. 

T3B11 What is the approximate velocity of a radio wave as it travels through free space?
a.
3000 kilometers per second
c.
300,000 miles per hour
b.
300,000,000 meters per second
d.
186,000 miles per hour
 

 25. 

T5A12 What term describes the number of times per second that an alternating current reverses direction?
a.
Pulse rate
c.
Wavelength
b.
Speed
d.
Frequency
 

 26. 

T5B07 If a frequency readout calibrated in megahertz shows a reading of 3.525 MHz, what would it show if it were calibrated in kilohertz?
a.
0.003525 kHz
c.
3525 kHz
b.
35.25 kHz
d.
3,525,000 kHz
 

 27. 

T5C05 What is the unit of frequency?
a.
Hertz
c.
Farad
b.
Henry
d.
Tesla
 

 28. 

T5C06 What does the abbreviation “RF” refer to?
a.
Radio frequency signals of all types
c.
The real frequency transmitted as opposed to the apparent frequency
b.
The resonant frequency of a tuned circuit
d.
Reflective force in antenna transmission lines
 



 
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