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. - T0A06

What is a good way to guard against electrical shock at your station?

Select	Answer
A	Use three-wire cords and plugs for all AC powered equipment
B	Connect all AC powered station equipment to a common safety ground
C	All these choices are correct
D	Install mechanical interlocks in high-voltage circuits

2. - T0B04

Which of the following is an important safety precaution to observe when putting up an antenna tower?

Select	Answer
A	Insulate the base of the tower to avoid lightning strikes
B	Wear a ground strap connected to your wrist at all times
C	Look for and stay clear of any overhead electrical wires
D	All these choices are correct

3. - T0C12

How does RF radiation differ from ionizing radiation (radioactivity)?

Select	Answer
A	RF radiation is perfectly safe
B	RF radiation can only be detected with an RF dosimeter
C	RF radiation is limited in range to a few feet
D	RF radiation does not have sufficient energy to cause chemical changes in cells and damage DNA

4. - T1A05

What proves that the FCC has issued an operator/primary license grant?

Select	Answer
A	An email notification from the NCVEC granting the license
B	All these choices are correct
C	A printed copy of the certificate of successful completion of examination
D	The license appears in the FCC ULS database

5. - T1B06

On which HF bands does a Technician class operator have phone privileges?

Select	Answer
A	30 meter band only
B	80 meter, 40 meter, 15 meter, and 10 meter bands
C	None
D	10 meter band only

6. - T1C05

Which of the following is a valid Technician class call sign format?

Select	Answer
A	W1XX
B	KA1X
C	KF1XXX
D	All these choices are correct

7. - T1D01

With which countries are FCC-licensed amateur radio stations prohibited from exchanging communications?

Select	Answer
A	Any country banned from making such communications by the American Radio Relay League (ARRL)
B	Any country whose administration has notified the International Telecommunication Union (ITU) that it objects to such communications
C	Any country whose administration has notified the American Radio Relay League (ARRL) that it objects to such communications
D	Any country banned from such communications by the International Amateur Radio Union (IARU)

8. - T1E05

What is an amateur station’s control point?

Select	Answer
A	The location at which the control operator function is performed
B	The mailing address of the station licensee
C	The location of the station’s transmitting apparatus
D	The location of the station’s transmitting antenna

9. - T1F09

What type of amateur station simultaneously retransmits the signal of another amateur station on a different channel or channels?

Select	Answer
A	Message forwarding station
B	Earth station
C	Beacon station
D	Repeater station

10. - T2A02

What is the national calling frequency for FM simplex operations in the 2 meter band?

Select	Answer
A	146.520 MHz
B	446.000 MHz
C	432.100 MHz
D	145.000 MHz

11. - T2B06

What type of signaling uses pairs of audio tones?

Select	Answer
A	CTCSS
B	D-STAR
C	DTMF
D	GPRS

12. - T2C04

What is RACES?

Select	Answer
A	An international radio experimentation society
B	An FCC part 97 amateur radio service for civil defense communications during national emergencies
C	A radio contest held in a short period, sometimes called a “sprint”
D	An emergency organization combining amateur radio and citizens band operators and frequencies

13. - T3A03

What antenna polarization is normally used for long-distance CW and SSB contacts on the VHF and UHF bands?

Select	Answer
A	Right-hand circular
B	Vertical
C	Horizontal
D	Left-hand circular

14. - T3B09

What frequency range is referred to as UHF?

Select	Answer
A	30 to 300 kHz
B	300 to 3000 kHz
C	30 to 300 MHz
D	300 to 3000 MHz

15. - T3C08

What causes tropospheric ducting?

Select	Answer
A	Updrafts from hurricanes and tornadoes
B	Sunspots and solar flares
C	Temperature inversions in the atmosphere
D	Discharges of lightning during electrical storms

16. - T4A07

Which of the following connections is made between a computer and a transceiver to use computer software when operating digital modes?

Select	Answer
A	Computer “line out” to transceiver push-to-talk
B	Computer “line in” to transceiver speaker connector
C	Computer “line in” to transceiver push-to-talk
D	Computer “line out” to transceiver speaker connector

17. - T4B12

What is the result of tuning an FM receiver above or below a signal’s frequency?

Select	Answer
A	Distortion of the signal’s audio
B	Generation of a heterodyne tone
C	Sideband inversion
D	Change in audio pitch

18. - T5A02

Electrical power is measured in which of the following units?

Select	Answer
A	Watt-hours
B	Volts
C	Amperes
D	Watts

19. - T5B08

Which is equal to 1,000,000 picofarads?

Select	Answer
A	1,000,000,000 microfarads
B	1000 microfarads
C	0.001 microfarads
D	1 microfarad

20. - T5C05

What is the unit of impedance?

Select	Answer
A	The ohm
B	The ampere
C	The volt
D	The coulomb

21. - T5D06

What is the resistance of a circuit that draws 4 amperes from a 12-volt source?

Select	Answer
A	8 ohms
B	3 ohms
C	48 ohms
D	16 ohms

22. - T6A04

What electrical component stores energy in an electric field?

Select	Answer
A	Inductor
B	Varistor
C	Capacitor
D	Diode

23. - T6B08

What does the abbreviation FET stand for?

Select	Answer
A	Field Effect Transistor
B	Frequency Emission Transmitter
C	Free Electron Transmitter
D	Fast Electron Transistor

24. - T6C05

What is component 4 in figure T-1?

Select	Answer
A	Resistor
B	Ground symbol
C	Transistor
D	Battery

25. - T6D10

What is the function of component 2 in figure T-1?

Select	Answer
A	Control the flow of current
B	Supply electrical energy
C	Convert electrical energy into radio waves
D	Give off light when current flows through it

26. - T7A05

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

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

27. - T7B10

What might be a problem if you receive a report that your audio signal through an FM repeater is distorted or unintelligible?

Select	Answer
A	You are in a bad location
B	Your batteries are running low
C	All these choices are correct
D	Your transmitter is slightly off frequency

28. - T7C03

What does a dummy load consist of?

Select	Answer
A	A low-voltage power supply and a DC relay
B	A 50-ohm reactance used to terminate a transmission line
C	A non-inductive resistor mounted on a heat sink
D	A high-gain amplifier and a TR switch

29. - T7D06

Which of the following can damage a multimeter?

Select	Answer
A	Attempting to measure resistance using the voltage setting
B	Not allowing it to warm up properly
C	Failing to connect one of the probes to ground
D	Attempting to measure voltage when using the resistance setting

30. - T8A03

Which type of voice mode is often used for long-distance (weak signal) contacts on the VHF and UHF bands?

Select	Answer
A	FM
B	PM
C	SSB
D	DRM

31. - T8B03

Which of the following are provided by satellite tracking programs?

Select	Answer
A	All these choices are correct
B	The apparent frequency of the satellite transmission, including effects of Doppler shift
C	The time, azimuth, and elevation of the start, maximum altitude, and end of a pass
D	Maps showing the real-time position of the satellite track over Earth

32. - T8C08

What is the Internet Radio Linking Project (IRLP)?

Select	Answer
A	A technique for measuring signal strength of an amateur transmitter via the internet
B	A system for providing access to websites via amateur radio
C	A technique to connect amateur radio systems, such as repeaters, via the internet using Voice Over Internet Protocol (VoIP)
D	A system for informing amateurs in real time of the frequency of active DX stations

33. - T8D01

Which of the following is a digital communications mode?

Select	Answer
A	FT8
B	All these choices are correct
C	Packet radio
D	IEEE 802.11

34. - T9A12

What is an advantage of a 5/8 wavelength whip antenna for VHF or UHF mobile service?

Select	Answer
A	It has more gain than a 1/4-wavelength antenna
B	It radiates at a very high angle
C	It eliminates distortion caused by reflected signals
D	It has 10 times the power gain of a 1/4 wavelength whip

35. - T9B09

What can cause erratic changes in SWR?

Select	Answer
A	Over-modulation
B	Overload from a strong local station
C	Local thunderstorm
D	Loose connection in the antenna or feed line

Figure T-1