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. - T0A07

Where should a lightning arrester be installed in a coaxial feed line?

Select	Answer
A	At the ac power service panel
B	On a grounded panel near where feed lines enter the building
C	At the output connector of a transceiver
D	At the antenna feed point

2. - T0B05

What is the purpose of a safety wire through a turnbuckle used to tension guy lines?

Select	Answer
A	Secure the guy line if the turnbuckle breaks
B	Prevent loosening of the turnbuckle from vibration
C	Provide an ability to measure for proper tensioning
D	Provide a ground path for lightning strikes

3. - T0C08

Which of the following actions can reduce exposure to RF radiation?

Select	Answer
A	Relocate the transmitter
B	Increase the duty cycle
C	Relocate antennas
D	All these choices are correct

4. - T1A07

What is the FCC Part 97 definition of a space station?

Select	Answer
A	Any satellite orbiting Earth
B	An amateur station using amateur radio satellites for relay of signals
C	An amateur station located more than 50 km above Earth's surface
D	A manned satellite orbiting Earth

5. - T1B05

How may amateurs use the 219 to 220 MHz segment of 1.25 meter band?

Select	Answer
A	Spread spectrum only
B	Fast-scan television only
C	Emergency traffic only
D	Fixed digital message forwarding systems only

6. - T1C05

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

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

7. - T1D07

What types of amateur stations can automatically retransmit the signals of other amateur stations?

Select	Answer
A	Auxiliary, beacon, or Earth stations
B	Beacon, repeater, or space stations
C	Repeater, auxiliary, or space stations
D	Earth, repeater, or space stations

8. - T1E10

Which of the following is an example of remote control as defined in Part 97?

Select	Answer
A	Operating the station over the internet
B	Repeater operation
C	Controlling a model aircraft, boat, or car by amateur radio
D	All these choices are correct

9. - T1F04

What language may you use for identification when operating in a phone sub-band?

Select	Answer
A	English
B	English, French, or Spanish
C	Any language recognized by the United Nations
D	Any language recognized by the ITU

10. - T2A12

What should you do before calling CQ?

Select	Answer
A	Ask if the frequency is in use
B	Listen first to be sure that no one else is using the frequency
C	Make sure you are authorized to use that frequency
D	All these choices are correct

11. - T2B12

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

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

12. - T2C02

Which of the following are typical duties of a Net Control Station?

Select	Answer
A	Call the net to order and direct communications between stations checking in
B	All these choices are correct
C	Ensure that all stations checking into the net are properly licensed for operation on the net frequency
D	Choose the regular net meeting time and frequency

13. - T3A03

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

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

14. - T3B05

What is the relationship between wavelength and frequency?

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

15. - T3C11

Why is the radio horizon for VHF and UHF signals more distant than the visual horizon?

Select	Answer
A	The atmosphere refracts radio waves slightly
B	Radio waves are not blocked by dust particles
C	Radio signals move somewhat faster than the speed of light
D	Radio waves are blocked by dust particles

16. - T4A08

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

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

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 bandwidth selection
C	The RIT or Clarifier
D	The AGC or limiter

18. - T5A09

Which of the following describes alternating current?

Select	Answer
A	All these answers are correct
B	Current that alternates between a positive direction and zero
C	Current that alternates between positive and negative directions
D	Current that alternates between a negative direction and zero

19. - T5B08

Which is equal to 1,000,000 picofarads?

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

20. - T5C10

How much power is delivered by a voltage of 12 volts DC and a current of 2.5 amperes?

Select	Answer
A	4.8 watts
B	30 watts
C	14.5 watts
D	0.208 watts

21. - T5D05

What is the resistance of a circuit for which the applied voltage is 12 volts and the current flow is 1.5 amperes?

Select	Answer
A	0.125 ohms
B	8 ohms
C	13.5 ohms
D	18 ohms

22. - T6A09

What electrical component is used to protect other circuit components from current overloads?

Select	Answer
A	Fuse
B	Thyratron
C	All these choices are correct
D	Varactor

23. - T6B12

What are the names of the electrodes of a bipolar junction transistor?

Select	Answer
A	Input, output, supply
B	Pole one, pole two, output
C	Signal, bias, power
D	Emitter, base, collector

24. - T6C10

What is component 3 in figure T-3?

Select	Answer
A	Connector
B	Variable capacitor
C	Meter
D	Variable inductor

25. - T6D11

Which of the following is a resonant or tuned circuit?

Select	Answer
A	A resistor circuit used for reducing standing wave ratio
B	A linear voltage regulator
C	An inductor and a capacitor in series or parallel
D	A circuit designed to provide high-fidelity audio

26. - T7A10

What device increases the transmitted output power from a transceiver?

Select	Answer
A	A voltage divider
B	All these choices are correct
C	An RF power amplifier
D	An impedance network

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

28. - T7C07

What happens to power lost in a feed line?

Select	Answer
A	It increases the SWR
B	It is converted into heat
C	It distorts the signal
D	It is radiated as harmonics

29. - T7D07

Which of the following measurements are made using a multimeter?

Select	Answer
A	All these choices are correct
B	Impedance and reactance
C	Signal strength and noise
D	Voltage and resistance

30. - T8A09

What is the approximate bandwidth of a VHF repeater FM voice signal?

Select	Answer
A	About 150 kHz
B	Less than 500 Hz
C	Between 10 and 15 kHz
D	Between 50 and 125 kHz

31. - T8B11

Who may receive telemetry from a space station?

Select	Answer
A	A licensed radio amateur who has been certified by the protocol developer
B	A licensed radio amateur who has registered for an access code from AMSAT
C	A licensed radio amateur with a transmitter equipped for interrogating the satellite
D	Anyone

32. - T8C05

What is a grid locator?

Select	Answer
A	An instrument for neutralizing a final amplifier
B	An instrument for radio direction finding
C	A letter-number designator assigned to an azimuth and elevation
D	A letter-number designator assigned to a geographic location

33. - T8D02

What is a “talkgroup” on a DMR repeater?

Select	Answer
A	A way for groups of users to share a channel at different times without hearing other users on the channel
B	A protocol that increases the signal-to-noise ratio when multiple repeaters are linked together
C	A group of operators sharing common interests
D	A net that meets at a specified time

34. - T9A04

What is a disadvantage of the short, flexible antenna supplied with most handheld radio transceivers, compared to a full-sized quarter-wave antenna?

Select	Answer
A	All these choices are correct
B	It is mechanically fragile
C	It has low efficiency
D	It transmits only circularly polarized signals

35. - T9B10

What is the electrical difference between RG-58 and RG-213 coaxial cable?

Select	Answer
A	RG-58 cable can handle higher power levels
B	RG-213 cable has less loss at a given frequency
C	RG-58 cable has two shields
D	There is no significant difference between the two types

Figure T-3