US Amateur Radio - General (Element 3, 2015-2019) Practice Test

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US Amateur Radio - General (Element 3, 2015-2019) Practice Test

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1. - G1A08

Which of the following frequencies is within the General Class portion of the 80-meter band?

Select	Answer
A	3650 kHz
B	2560 kHz
C	1855 kHz
D	3560 kHz

2. - G1B06

When is an amateur station permitted to transmit secret codes?

Select	Answer
A	Only with Special Temporary Authorization from the FCC
B	To control a space station
C	During a declared communications emergency
D	Only when the information is of a routine, personal nature

3. - G1C11

What is the maximum symbol rate permitted for RTTY or data emission transmissions on the 2-meter band?

Select	Answer
A	1200 baud
B	19.6 kilobaud
C	56 kilobaud
D	300 baud

4. - G1D06

When must you add the special identifier "AG" after your call sign if you are a Technician Class licensee and have a CSCE for General Class operator privileges, but the FCC has not yet posted your upgrade on its website ?

Select	Answer
A	Whenever you operate using Technician frequency privileges
B	Whenever you operate on any amateur frequency
C	Whenever you operate using General Class frequency privileges
D	A special identifier is not required as long as your General Class license application has been filed with the FCC

5. - G1E06

Which of the following applies in the event of interference between a coordinated repeater and an uncoordinated repeater?

Select	Answer
A	Both repeater licensees share equal responsibility to resolve the interference
B	The frequency coordinator bears primary responsibility to resolve the interference
C	The licensee of the uncoordinated repeater has primary responsibility to resolve the interference
D	The licensee of the coordinated repeater has primary responsibility to resolve the interference

6. - G2A08

Which of the following is a recommended way to break into a contact when using phone?

Select	Answer
A	Say "Break Break Break" and wait for a response
B	Say your call sign during a break between transmissions by the other stations
C	Say "QRZ" several times followed by your call sign
D	Say "CQ" followed by the call sign of either station

7. - G2B07

Which of the following complies with good amateur practice when choosing a frequency on which to initiate a call?

Select	Answer
A	Check to see if the channel is assigned to another station
B	Follow the voluntary band plan for the operating mode you intend to use
C	Identify your station by transmitting your call sign at least 3 times
D	All of these choices are correct

8. - G2C06

What does the term "zero beat" mean in CW operation?

Select	Answer
A	Sending without error
B	Matching the speed of the transmitting station
C	Operating split to avoid interference on frequency
D	Matching your transmit frequency to the frequency of a received signal

9. - G2D02

Which of the following are objectives of the Amateur Auxiliary?

Select	Answer
A	To conduct efficient and orderly amateur licensing examinations
B	To encourage self-regulation and compliance with the rules by radio amateur operators
C	To coordinate repeaters for efficient and orderly spectrum usage
D	To provide emergency and public safety communications

10. - G2E05

What is the standard sideband used to generate a JT65 or JT9 digital signal when using AFSK in any amateur band?

Select	Answer
A	DSB
B	LSB
C	USB
D	SSB

11. - G3A11

Approximately how long is the typical sunspot cycle?

Select	Answer
A	11 years
B	40 hours
C	28 days
D	8 minutes

12. - G3B08

What does MUF stand for?

Select	Answer
A	The Minimum Usable Frequency during a 24 hour period
B	The Minimum Usable Frequency for communications between two points
C	The Maximum Usable Frequency for communications between two points
D	The Maximum Usable Frequency during a 24 hour period

13. - G3C09

What type of radio wave propagation allows a signal to be detected at a distance too far for ground wave propagation but too near for normal sky-wave propagation?

Select	Answer
A	Short-path skip
B	Faraday rotation
C	Sporadic-E skip
D	Scatter

14. - G4A15

Which of the following can be a symptom of transmitted RF being picked up by an audio cable carrying AFSK data signals between a computer and a transceiver?

Select	Answer
A	Frequent connection timeouts
B	The VOX circuit does not un-key the transmitter
C	The transmitter signal is distorted
D	All of these choices are correct

15. - G4B10

Which of the following can be determined with a directional wattmeter?

Select	Answer
A	RF interference
B	Standing wave ratio
C	Radio wave propagation
D	Antenna front-to-back ratio

16. - G4C02

Which of the following could be a cause of interference covering a wide range of frequencies?

Select	Answer
A	Lack of rectification of the transmitter's signal in power conductors
B	Arcing at a poor electrical connection
C	Not using a balun or line isolator to feed balanced antennas
D	Using a balun to feed an unbalanced antenna

17. - G4D08

What frequency range is occupied by a 3 kHz LSB signal when the displayed carrier frequency is set to 7.178 MHz?

Select	Answer
A	7.1765 to 7.1795 MHz
B	7.178 to 7.184 MHz
C	7.178 to 7.181 MHz
D	7.175 to 7.178 MHz

18. - G4E09

What is the approximate open-circuit voltage from a fully illuminated silicon photovoltaic cell?

Select	Answer
A	0.2 VDC
B	0.02 VDC
C	1.38 VDC
D	0.5 VDC

19. - G5A02

What is reactance?

Select	Answer
A	A property of ideal resistors in AC circuits
B	Opposition to the flow of direct current caused by resistance
C	A large spark produced at switch contacts when an inductor is de-energized
D	Opposition to the flow of alternating current caused by capacitance or inductance

20. - G5B06

What is the output PEP from a transmitter if an oscilloscope measures 200 volts peak-to-peak across a 50 ohm dummy load connected to the transmitter output?

Select	Answer
A	1.4 watts
B	400 watts
C	353.5 watts
D	100 watts

21. - G5C14

Which of the following components should be added to an inductor to increase the inductance?

Select	Answer
A	An inductor in parallel
B	An inductor in series
C	A resistor in parallel
D	A capacitor in series

22. - G6A15

Which of the following is an advantage of an electrolytic capacitor?

Select	Answer
A	Much less leakage than any other type
B	Tight tolerance
C	Inexpensive RF capacitor
D	High capacitance for a given volume

23. - G6B03

Which of the following is an advantage of CMOS integrated circuits compared to TTL integrated circuits?

Select	Answer
A	Low power consumption
B	High power handling capability
C	Better suited for RF amplification
D	Better suited for power supply regulation

24. - G7A05

What portion of the AC cycle is converted to DC by a half-wave rectifier?

Select	Answer
A	180 degrees
B	90 degrees
C	270 degrees
D	360 degrees

25. - G7B10

Which of the following is a characteristic of a Class A amplifier?

Select	Answer
A	High Efficiency
B	Low distortion
C	Low standby power
D	No need for bias

26. - G7C10

How is Digital Signal Processor filtering accomplished?

Select	Answer
A	By converting the signal from digital to analog and taking the difference of mixing products
B	By using direct signal phasing
C	By differential spurious phasing
D	By converting the signal from analog to digital and using digital processing

27. - G8A07

Which of the following phone emissions uses the narrowest bandwidth?

Select	Answer
A	Double sideband
B	Frequency modulation
C	Phase modulation
D	Single sideband

28. - G8B02

If a receiver mixes a 13.800 MHz VFO with a 14.255 MHz received signal to produce a 455 kHz intermediate frequency (IF) signal, what type of interference will a 13.345 MHz signal produce in the receiver?

Select	Answer
A	Quadrature noise
B	Intermediate interference
C	Mixer interference
D	Image response

29. - G8C04

Which of the following describes Baudot code?

Select	Answer
A	A 7-bit code with start, stop and parity bits
B	A code using error detection and correction
C	A 5-bit code with additional start and stop bits
D	A code using SELCAL and LISTEN

30. - G9A15

What is the effect of transmission line loss on SWR measured at the input to the line?

Select	Answer
A	The higher the transmission line loss, the more the SWR will read artificially high
B	Transmission line loss does not affect the SWR measurement
C	The higher the transmission line loss, the more the SWR will read artificially low
D	The higher the transmission line loss, the more accurate the SWR measurement will be

31. - G9B02

Which of the following is a common way to adjust the feed point impedance of a quarter wave ground plane vertical antenna to be approximately 50 ohms?

Select	Answer
A	Slope the radials upward
B	Lengthen the radials
C	Slope the radials downward
D	Shorten the radials

32. - G9C06

What configuration of the loops of a two-element quad antenna must be used for the antenna to operate as a beam antenna, assuming one of the elements is used as a reflector?

Select	Answer
A	There must be an open circuit in the driven element at the point opposite the feed point
B	The reflector element must be approximately 5 percent longer than the driven element
C	The reflector element must be approximately 5 percent shorter than the driven element
D	The driven element must be fed with a balun transformer

33. - G9D03

At what height above ground is an NVIS antenna typically installed?

Select	Answer
A	As close to 1/2 wavelength as possible
B	Height is not critical as long as it is significantly more than 1/2 wavelength
C	As close to one wavelength as possible
D	Between 1/10 and 1/4 wavelength

34. - G0A07

What effect does transmitter duty cycle have when evaluating RF exposure?

Select	Answer
A	A lower transmitter duty cycle permits greater short-term exposure levels
B	High duty cycle transmitters are exempt from RF exposure requirements
C	Low duty cycle transmitters are exempt from RF exposure evaluation requirements
D	A higher transmitter duty cycle permits greater short-term exposure levels

35. - G0B15

Which of the following is true of an emergency generator installation?

Select	Answer
A	The generator should be located in a well-ventilated area
B	The generator must be insulated from ground
C	All of these choices are correct
D	Fuel should be stored near the generator for rapid refueling in case of an emergency