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. - T0A09

What should be done to all external ground rods or earth connections?

Select	Answer
A	Waterproof them with silicone caulk or electrical tape
B	Keep them as far apart as possible
C	Bond them together with heavy wire or conductive strap
D	Tune them for resonance on the lowest frequency of operation

2. - T0B10

Which of the following is true when installing grounding conductors used for lightning protection?

Select	Answer
A	Common grounds must be avoided
B	Use only non-insulated wire
C	Wires must be carefully routed with precise right-angle bends
D	Sharp bends must be avoided

3. - T0C09

How can you make sure your station stays in compliance with RF safety regulations?

Select	Answer
A	By informing the FCC of any changes made in your station
B	All these choices are correct
C	By re-evaluating the station whenever an item in the transmitter or antenna system is changed
D	By making sure your antennas have low SWR

4. - T1A08

Which of the following entities recommends transmit/receive channels and other parameters for auxiliary and repeater stations?

Select	Answer
A	FCC Regional Field Office
B	Volunteer Frequency Coordinator recognized by local amateurs
C	International Telecommunication Union
D	Frequency Spectrum Manager appointed by the FCC

5. - T1B11

What is the maximum peak envelope power output for Technician class operators in their HF band segments?

Select	Answer
A	100 watts
B	200 watts
C	50 watts
D	10 watts

6. - T1C05

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

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

7. - T1D03

When is it permissible to transmit messages encoded to obscure their meaning?

Select	Answer
A	Never
B	Only during contests
C	Only when transmitting certain approved digital codes
D	Only when transmitting control commands to space stations or radio control craft

8. - T1E02

Who may be the control operator of a station communicating through an amateur satellite or space station?

Select	Answer
A	Only an Amateur Extra Class operator who is also an AMSAT member
B	Any amateur allowed to transmit on the satellite uplink frequency
C	Only an Amateur Extra Class operator
D	A General class or higher licensee with a satellite operator certification

9. - T1F07

Which of the following restrictions apply when a non-licensed person is allowed to speak to a foreign station using a station under the control of a licensed amateur operator?

Select	Answer
A	All these choices are correct
B	The person must be a U.S. citizen
C	The licensed control operator must do the station identification
D	The foreign station must be in a country with which the U.S. has a third party agreement

10. - T2A06

Which of the following is required when making on-the-air test transmissions?

Select	Answer
A	Conduct tests only between 10 p.m. and 6 a.m. local time
B	All these choices are correct
C	Identify the transmitting station
D	Notify the FCC of the transmissions

11. - T2B12

What is the purpose of the color code used on DMR repeater systems?

Select	Answer
A	Identifies the codec used
B	Must match the repeater color code for access
C	Defines the frequency pair to use
D	Defines the minimum signal level required for access

12. - T2C04

What is RACES?

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

13. - T3A10

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

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

14. - T3B05

What is the relationship between wavelength and frequency?

Select	Answer
A	Wavelength gets longer as frequency increases
B	Wavelength gets shorter as frequency increases
C	Wavelength and frequency increase as path length increases
D	Wavelength and frequency are unrelated

15. - T3C01

Why are simplex UHF signals rarely heard beyond their radio horizon?

Select	Answer
A	FCC regulations prohibit them from going more than 50 miles
B	UHF signals are usually not propagated by the ionosphere
C	UHF signals are absorbed by the ionospheric D region
D	They are too weak to go very far

16. - T4A02

Which of the following should be considered when selecting an accessory SWR meter?

Select	Answer
A	The distance that the meter will be located from the antenna
B	The types of modulation being used at the station
C	The frequency and power level at which the measurements will be made
D	All these choices are correct

17. - T4B06

Which of the following controls could be used if the voice pitch of a single-sideband signal returning to your CQ call seems too high or low?

Select	Answer
A	The tone squelch
B	The AGC or limiter
C	The bandwidth selection
D	The RIT or Clarifier

18. - T5A11

What type of current flow is opposed by resistance?

Select	Answer
A	RF current
B	Direct current
C	All these choices are correct
D	Alternating current

19. - T5B10

Which decibel value most closely represents a power decrease from 12 watts to 3 watts?

Select	Answer
A	-6 dB
B	-1 dB
C	-9 dB
D	-3 dB

20. - T5C01

What describes the ability to store energy in an electric field?

Select	Answer
A	Tolerance
B	Capacitance
C	Inductance
D	Resistance

21. - T5D14

In which type of circuit is voltage the same across all components?

Select	Answer
A	Resonant
B	Series
C	Parallel
D	Branch

22. - T6A07

What electrical component is typically constructed as a coil of wire?

Select	Answer
A	Diode
B	Switch
C	Capacitor
D	Inductor

23. - T6B06

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

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

24. - T6C04

What is component 3 in figure T-1?

Select	Answer
A	Ground symbol
B	Resistor
C	Transistor
D	Lamp

25. - T6D08

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

Select	Answer
A	Zener diode
B	Potentiometer
C	Capacitor
D	Resistor

26. - T7A02

What is a transceiver?

Select	Answer
A	A device for automatically sending and decoding Morse code
B	A device for converting receiver and transmitter frequencies to another band
C	A device that combines a receiver and transmitter
D	A device for matching feed line impedance to 50 ohms

27. - T7B05

How can fundamental overload of a non-amateur radio or TV receiver by an amateur signal be reduced or eliminated?

Select	Answer
A	Block the interfering signal with a filter on the amateur transmitter
B	Switch the transmitter to a narrow-band mode
C	Switch the transmitter from FM to SSB
D	Block the amateur signal with a filter at the antenna input of the affected receiver

28. - T7C03

What does a dummy load consist of?

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

29. - T7D08

Which of the following types of solder should not be used for radio and electronic applications?

Select	Answer
A	Acid-core solder
B	Tin-copper solder
C	Rosin-core solder
D	Lead-tin solder

30. - T8A12

Which of the following is a disadvantage of FM compared with single sideband?

Select	Answer
A	FM signals are harder to tune
B	All these choices are correct
C	Voice quality is poorer
D	Only one signal can be received at a time

31. - T8B06

Which of the following are inputs to a satellite tracking program?

Select	Answer
A	The satellite transmitted power
B	The last observed time of zero Doppler shift
C	All these choices are correct
D	The Keplerian elements

32. - T8C09

Which of the following protocols enables an amateur station to transmit through a repeater without using a radio to initiate the transmission?

Select	Answer
A	D-STAR
B	EchoLink
C	DMR
D	IRLP

33. - T8D09

What is CW?

Select	Answer
A	A digital mode used primarily on 2 meter FM
B	A type of electromagnetic propagation
C	A technique for coil winding
D	Another name for a Morse code transmission

34. - T9A05

Which of the following increases the resonant frequency of a dipole antenna?

Select	Answer
A	Adding capacitive loading to the ends of the radiating wires
B	Inserting coils in series with radiating wires
C	Shortening it
D	Lengthening it

35. - T9B06

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

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

Figure T-1