US Amateur Radio - Technician (Element 2, 2022-2026) Practice Test

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US Amateur Radio - Technician (Element 2, 2022-2026) Practice Test

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1. - T0A05

Why should a 5-ampere fuse never be replaced with a 20-ampere fuse?

Select	Answer
A	The power supply ripple would greatly increase
B	All these choices are correct
C	The larger fuse would be likely to blow because it is rated for higher current
D	Excessive current could cause a fire

2. - T0B11

Which of the following establishes grounding requirements for an amateur radio tower or antenna?

Select	Answer
A	FCC Part 97 rules
B	FAA tower lighting regulations
C	Local electrical codes
D	UL recommended practices

3. - T0C02

At which of the following frequencies does maximum permissible exposure have the lowest value?

Select	Answer
A	1296 MHz
B	440 MHz
C	50 MHz
D	3.5 MHz

4. - T1A04

How many operator/primary station license grants may be held by any one person?

Select	Answer
A	No more than two
B	One for each permanent station location from which the person plans to operate
C	One
D	One for each band on which the person plans to operate

5. - T1B09

Why should you not set your transmit frequency to be exactly at the edge of an amateur band or sub-band?

Select	Answer
A	All these choices are correct
B	To allow for transmitter frequency drift
C	So that modulation sidebands do not extend beyond the band edge
D	To allow for calibration error in the transmitter frequency display

6. - T1C08

What is the normal term for an FCC-issued amateur radio license?

Select	Answer
A	Eight years
B	Ten years
C	Life
D	Five years

7. - T1D09

When may amateur stations transmit information in support of broadcasting, program production, or news gathering, assuming no other means is available?

Select	Answer
A	Where noncommercial programming is gathered and supplied exclusively to the National Public Radio network
B	When broadcasting communications to or from the space shuttle
C	When such communications are directly related to the immediate safety of human life or protection of property
D	Never

8. - T1E08

Which of the following is an example of automatic control?

Select	Answer
A	Using a computer or other device to send CW automatically
B	Repeater operation
C	Using a computer or other device to identify automatically
D	Controlling a station over the internet

9. - T1F08

What is the definition of third party communications?

Select	Answer
A	Temporary authorization for an unlicensed person to transmit on the amateur bands for technical experiments
B	Amateur radio communications where three stations are in communications with one another
C	Operation when the transmitting equipment is licensed to a person other than the control operator
D	A message from a control operator to another amateur station control operator on behalf of another person

10. - T2A03

What is a common repeater frequency offset in the 70 cm band?

Select	Answer
A	Plus or minus 500 kHz
B	Plus or minus 1 MHz
C	Plus or minus 5 MHz
D	Plus or minus 600 kHz

11. - T2B10

Which Q signal indicates that you are receiving interference from other stations?

Select	Answer
A	QRN
B	QSB
C	QRM
D	QTH

12. - T2C07

Which of the following is standard practice when you participate in a net?

Select	Answer
A	When first responding to the net control station, transmit your call sign, name, and address as in the FCC database
B	Record the time of each of your transmissions
C	All these choices are correct
D	Unless you are reporting an emergency, transmit only when directed by the net control station

13. - T3A10

What effect does multi-path propagation have on data transmissions?

Select	Answer
A	No significant changes will occur if the signals are transmitted using FM
B	Error rates are likely to increase
C	Transmission rates must be decreased by a factor equal to the number of separate paths observed
D	Transmission rates must be increased by a factor equal to the number of separate paths observed

14. - T3B06

What is the formula for converting frequency to approximate wavelength in meters?

Select	Answer
A	Wavelength in meters equals frequency in hertz divided by 300
B	Wavelength in meters equals frequency in hertz multiplied by 300
C	Wavelength in meters equals 300 divided by frequency in megahertz
D	Wavelength in meters equals frequency in megahertz divided by 300

15. - T3C05

Which of the following effects may allow radio signals to travel beyond obstructions between the transmitting and receiving stations?

Select	Answer
A	Quantum tunneling
B	Doppler shift
C	Knife-edge diffraction
D	Faraday rotation

16. - T4A08

Which of the following conductors is preferred for bonding at RF?

Select	Answer
A	Flat copper strap
B	Twisted-pair cable
C	Copper braid removed from coaxial cable
D	Steel wire

17. - T4B10

Which of the following receiver filter bandwidths provides the best signal-to-noise ratio for SSB reception?

Select	Answer
A	1000 Hz
B	2400 Hz
C	500 Hz
D	5000 Hz

18. - T5A08

Which of the following is a good electrical insulator?

Select	Answer
A	Copper
B	Aluminum
C	Mercury
D	Glass

19. - T5B03

Which is equal to one kilovolt?

Select	Answer
A	One hundred volts
B	One thousand volts
C	One one-thousandth of a volt
D	One million volts

20. - T5C11

How much current is required to deliver 120 watts at a voltage of 12 volts DC?

Select	Answer
A	12 amperes
B	0.1 amperes
C	10 amperes
D	132 amperes

21. - T5D13

In which type of circuit is DC current the same through all components?

Select	Answer
A	Branch
B	Resonant
C	Parallel
D	Series

22. - T6A03

What electrical parameter is controlled by a potentiometer?

Select	Answer
A	Resistance
B	Inductance
C	Field strength
D	Capacitance

23. - T6B06

How is the cathode lead of a semiconductor diode often marked on the package?

Select	Answer
A	With a stripe
B	With the word "cathode"
C	With the letter C
D	With the letter K

24. - T6C02

What is component 1 in figure T-1?

Select	Answer
A	Connector
B	Transistor
C	Battery
D	Resistor

25. - T6D08

Which of the following is combined with an inductor to make a resonant circuit?

Select	Answer
A	Resistor
B	Zener diode
C	Potentiometer
D	Capacitor

26. - T7A05

What is the name of a circuit that generates a signal at a specific frequency?

Select	Answer
A	Reactance modulator
B	Low-pass filter
C	Oscillator
D	Phase modulator

27. - T7B06

Which of the following actions should you take if a neighbor tells you that your station’s transmissions are interfering with their radio or TV reception?

Select	Answer
A	Install a harmonic doubler on the output of your transmitter and tune it until the interference is eliminated
B	Immediately turn off your transmitter and contact the nearest FCC office for assistance
C	All these choices are correct
D	Make sure that your station is functioning properly and that it does not cause interference to your own radio or television when it is tuned to the same channel

28. - T7C05

Why do most solid-state transmitters reduce output power as SWR increases beyond a certain level?

Select	Answer
A	Because power supplies cannot supply enough current at high SWR
B	To lower the SWR on the transmission line
C	To comply with FCC rules on spectral purity
D	To protect the output amplifier transistors

29. - T7D03

When configured to measure current, how is a multimeter connected to a component?

Select	Answer
A	In phase
B	In series
C	In quadrature
D	In parallel

30. - T8A11

What is the approximate bandwidth required to transmit a CW signal?

Select	Answer
A	1000 Hz
B	150 Hz
C	2.4 kHz
D	15 kHz

31. - T8B04

What mode of transmission is commonly used by amateur radio satellites?

Select	Answer
A	All these choices are correct
B	FM
C	SSB
D	CW/data

32. - T8C03

What operating activity involves contacting as many stations as possible during a specified period?

Select	Answer
A	Contesting
B	Net operations
C	Public service events
D	Simulated emergency exercises

33. - T8D03

What kind of data can be transmitted by APRS?

Select	Answer
A	Text messages
B	Weather data
C	All these choices are correct
D	GPS position data

34. - T9A06

Which of the following types of antenna offers the greatest gain?

Select	Answer
A	Isotropic
B	Yagi
C	5/8 wave vertical
D	J pole

35. - T9B06

Which of the following RF connector types is most suitable for frequencies above 400 MHz?

Select	Answer
A	RS-213
B	Type N
C	UHF (PL-259/SO-239)
D	DB-25

Figure T-1