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. - T0A01

Which of the following is a safety hazard of a 12-volt storage battery?

Select	Answer
A	All these choices are correct
B	Shorting the terminals can cause burns, fire, or an explosion
C	Touching both terminals with the hands can cause electrical shock
D	RF emissions from a nearby transmitter can cause the electrolyte to emit poison gas

2. - T0B11

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

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

3. - T0C02

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

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

4. - T1A08

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

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

5. - T1B06

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

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

6. - T1C10

How soon after passing the examination for your first amateur radio license may you transmit on the amateur radio bands?

Select	Answer
A	Immediately on receiving your Certificate of Successful Completion of Examination (CSCE)
B	As soon as you receive your license in the mail from the FCC
C	As soon as your operator/station license grant appears on the ARRL website
D	As soon as your operator/station license grant appears in the FCC’s license database

7. - T1D03

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

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

8. - T1E03

Who must designate the station control operator?

Select	Answer
A	The FCC
B	Any licensed operator
C	The station licensee
D	The frequency coordinator

9. - T1F10

Who is accountable if a repeater inadvertently retransmits communications that violate the FCC rules?

Select	Answer
A	The control operator of the repeater
B	The owner of the repeater
C	The control operator of the originating station
D	Both the originating station and the repeater owner

10. - T2A05

How should you respond to a station calling CQ?

Select	Answer
A	Transmit a signal report followed by your call sign
B	Transmit "CQ" followed by the other station’s call sign
C	Transmit your call sign followed by the other station’s call sign
D	Transmit the other station’s call sign followed by your call sign

11. - T2B03

Which of the following describes a linked repeater network?

Select	Answer
A	A single repeater with more than one receiver
B	A system of repeaters linked by APRS
C	Multiple repeaters with the same control operator
D	A network of repeaters in which signals received by one repeater are transmitted by all the repeaters in the network

12. - T2C01

When do FCC rules NOT apply to the operation of an amateur station?

Select	Answer
A	When operating a RACES station
B	FCC rules always apply
C	When operating under special ARES rules
D	When operating under special FEMA rules

13. - T3A12

What is the effect of fog and rain on signals in the 10 meter and 6 meter bands?

Select	Answer
A	Deflection
B	Range increase
C	Absorption
D	There is little effect

14. - T3B05

What is the relationship between wavelength and frequency?

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

15. - T3C03

What is a characteristic of VHF signals received via auroral backscatter?

Select	Answer
A	They occur only during winter nighttime hours
B	They are generally strongest when your antenna is aimed west
C	They are often received from 10,000 miles or more
D	They are distorted and signal strength varies considerably

16. - T4A05

Where should an RF power meter be installed?

Select	Answer
A	In parallel with the push-to-talk line and the antenna
B	In the feed line, between the transmitter and antenna
C	In the power supply cable, as close as possible to the radio
D	At the power supply output

17. - T4B01

What is the effect of excessive microphone gain on SSB transmissions?

Select	Answer
A	All these choices are correct
B	Frequency instability
C	Increased SWR
D	Distorted transmitted audio

18. - T5A12

What describes the number of times per second that an alternating current makes a complete cycle?

Select	Answer
A	Pulse rate
B	Speed
C	Wavelength
D	Frequency

19. - T5B09

Which decibel value most closely represents a power increase from 5 watts to 10 watts?

Select	Answer
A	10 dB
B	3 dB
C	2 dB
D	5 dB

20. - T5C06

What does the abbreviation “RF” mean?

Select	Answer
A	Radio frequency signals of all types
B	The resonant frequency of a tuned circuit
C	The real frequency transmitted as opposed to the apparent frequency
D	Reflective force in antenna transmission lines

21. - T5D08

What is the current through a 100-ohm resistor connected across 200 volts?

Select	Answer
A	0.5 amperes
B	2 amperes
C	100 amperes
D	20,000 amperes

22. - T6A09

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

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

23. - T6B11

What is the term that describes a device's ability to amplify a signal?

Select	Answer
A	Gain
B	Forward voltage drop
C	Forward resistance
D	On resistance

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. - T7A10

What device increases the transmitted output power from a transceiver?

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

27. - T7B04

Which of the following could you use to cure distorted audio caused by RF current on the shield of a microphone cable?

Select	Answer
A	Preamplifier
B	Ferrite choke
C	Band-pass filter
D	Low-pass filter

28. - T7C05

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

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

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. - T8A10

What is the approximate bandwidth of AM fast-scan TV transmissions?

Select	Answer
A	About 1 MHz
B	About 3 MHz
C	More than 10 MHz
D	About 6 MHz

31. - T8B01

What telemetry information is typically transmitted by satellite beacons?

Select	Answer
A	All these choices are correct
B	The signal strength of received signals
C	Time of day accurate to plus or minus 1/10 second
D	Health and status of the satellite

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	IRLP
B	D-STAR
C	DMR
D	EchoLink

33. - T8D07

Which of the following describes DMR?

Select	Answer
A	An automatic computer logging technique for hands-off logging when communicating while operating a vehicle
B	A technique for time-multiplexing two digital voice signals on a single 12.5 kHz repeater channel
C	A digital technique for transmitting on two repeater inputs simultaneously for automatic error correction
D	An automatic position tracking mode for FM mobiles communicating through repeaters

34. - T9A05

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

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

35. - T9B05

What happens as the frequency of a signal in coaxial cable is increased?

Select	Answer
A	The loss decreases
B	The loss increases
C	The characteristic impedance increases
D	The characteristic impedance decreases

Figure T-1