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. - T0A08

Where should a fuse or circuit breaker be installed in a 120V AC power circuit?

Select	Answer
A	In series with the hot and neutral conductors
B	In parallel with the hot conductor only
C	In series with the hot conductor only
D	In parallel with the hot and neutral conductors

2. - T0B03

Under what circumstances is it safe to climb a tower without a helper or observer?

Select	Answer
A	Never
B	When no mechanical work is being performed
C	When the work being done is not more than 20 feet above the ground
D	When no electrical work is being performed

3. - T0C11

What is the definition of duty cycle during the averaging time for RF exposure?

Select	Answer
A	The difference between the lowest power output and the highest power output of a transmitter
B	The difference between the PEP and average power output of a transmitter
C	The percentage of time that a transmitter is transmitting
D	The percentage of time that a transmitter is not transmitting

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. - T1B12

Except for some specific restrictions, what is the maximum peak envelope power output for Technician class operators using frequencies above 30 MHz?

Select	Answer
A	50 watts
B	1500 watts
C	100 watts
D	500 watts

6. - T1C06

From which of the following locations may an FCC-licensed amateur station transmit?

Select	Answer
A	From any vessel or craft located in international waters and documented or registered in the United States
B	From within any country that belongs to the International Telecommunication Union
C	From anywhere within International Telecommunication Union (ITU) Regions 2 and 3
D	From within any country that is a member of the United Nations

7. - T1D05

When may amateur radio operators use their stations to notify other amateurs of the availability of equipment for sale or trade?

Select	Answer
A	Never
B	When no profit is made on the sale
C	When the equipment is not the personal property of either the station licensee, or the control operator, or their close relatives
D	When selling amateur radio equipment and not on a regular basis

8. - T1E04

What determines the transmitting frequency privileges of an amateur station?

Select	Answer
A	The frequencies printed on the license grant
B	The frequency authorized by the frequency coordinator
C	The class of operator license held by the control operator
D	The highest class of operator license held by anyone on the premises

9. - T1F08

What is the definition of third party communications?

Select	Answer
A	Amateur radio communications where three stations are in communications with one another
B	Temporary authorization for an unlicensed person to transmit on the amateur bands for technical experiments
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. - T2A04

What is an appropriate way to call another station on a repeater if you know the other station's call sign?

Select	Answer
A	Say the station's call sign, then identify with your call sign
B	Say "CQ" three times, then the other station's call sign
C	Say "break, break," then say the station's call sign
D	Wait for the station to call CQ, then answer

11. - T2B07

How can you join a digital repeater’s “talkgroup”?

Select	Answer
A	Sign your call after the courtesy tone
B	Program your radio with the group’s ID or code
C	Join the repeater owner’s club
D	Register your radio with the local FCC office

12. - T2C09

Are amateur station control operators ever permitted to operate outside the frequency privileges of their license class?

Select	Answer
A	Yes, but only when part of a FEMA emergency plan
B	No
C	Yes, but only when part of a RACES emergency plan
D	Yes, but only in situations involving the immediate safety of human life or protection of property

13. - T3A12

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

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

14. - T3B01

What is the relationship between the electric and magnetic fields of an electromagnetic wave?

Select	Answer
A	They are at right angles
B	They are in parallel
C	They revolve in opposite directions
D	They travel at different speeds

15. - T3C02

What is a characteristic of HF communication compared with communications on VHF and higher frequencies?

Select	Answer
A	There is less atmospheric interference (static) on HF
B	HF antennas are generally smaller
C	HF accommodates wider bandwidth signals
D	Long-distance ionospheric propagation is far more common on HF

16. - T4A05

Where should an RF power meter be installed?

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

17. - T4B10

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

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

18. - T5A01

Electrical current is measured in which of the following units?

Select	Answer
A	Amperes
B	Watts
C	Volts
D	Ohms

19. - T5B13

Which is equal to 2425 MHz?

Select	Answer
A	2.425 GHz
B	0.002425 GHz
C	2425 GHz
D	24.25 GHz

20. - T5C07

What is the abbreviation for megahertz?

Select	Answer
A	MHz
B	mh
C	Mhz
D	MH

21. - T5D09

What is the current through a 24-ohm resistor connected across 240 volts?

Select	Answer
A	10 amperes
B	24,000 amperes
C	0.1 amperes
D	216 amperes

22. - T6A02

What type of component is often used as an adjustable volume control?

Select	Answer
A	Transformer
B	Power resistor
C	Potentiometer
D	Fixed resistor

23. - T6B02

What electronic component allows current to flow in only one direction?

Select	Answer
A	Driven element
B	Diode
C	Fuse
D	Resistor

24. - T6C05

What is component 4 in figure T-1?

Select	Answer
A	Battery
B	Ground symbol
C	Resistor
D	Transistor

25. - T6D11

Which of the following is a resonant or tuned circuit?

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

26. - T7A06

What device converts the RF input and output of a transceiver to another band?

Select	Answer
A	Phase converter
B	Transverter
C	High-pass filter
D	Low-pass filter

27. - T7B02

What would cause a broadcast AM or FM radio to receive an amateur radio transmission unintentionally?

Select	Answer
A	The receiver is unable to reject strong signals outside the AM or FM band
B	The audio amplifier of the transmitter is overloaded
C	The microphone gain of the transmitter is turned up too high
D	The deviation of an FM transmitter is set too low

28. - T7C01

What is the primary purpose of a dummy load?

Select	Answer
A	To improve the efficiency of an antenna
B	To improve the signal-to-noise ratio of a receiver
C	To prevent over-modulation of a transmitter
D	To prevent transmitting signals over the air when making tests

29. - T7D03

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

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

30. - T8A11

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

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

31. - T8B01

What telemetry information is typically transmitted by satellite beacons?

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

32. - T8C07

What is Voice Over Internet Protocol (VoIP)?

Select	Answer
A	A technique employed to “spot” DX stations via the internet
B	A method of delivering voice communications over the internet using digital techniques
C	A technique for measuring the modulation quality of a transmitter using remote sites monitored via the internet
D	A set of rules specifying how to identify your station when linked over the internet to another station

33. - T8D04

What type of transmission is indicated by the term "NTSC?"

Select	Answer
A	A special mode for satellite uplink
B	A frame compression scheme for TV signals
C	An analog fast-scan color TV signal
D	A Normal Transmission mode in Static Circuit

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 transmits only circularly polarized signals
C	It has low efficiency
D	It is mechanically fragile

35. - T9B07

Which of the following is true of PL-259 type coax connectors?

Select	Answer
A	They are commonly used at HF and VHF frequencies
B	They are preferred for microwave operation
C	They are a bayonet-type connector
D	They are watertight

Figure T-1