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

2. - T0B03

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

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

3. - T0C05

Why do exposure limits vary with frequency?

Select	Answer
A	Higher frequency RF fields are transient in nature
B	Lower frequency RF fields do not penetrate the human body
C	The human body absorbs more RF energy at some frequencies than at others
D	Lower frequency RF fields have more energy than higher frequency fields

4. - T1A04

How many operator/primary station license grants may be held by any one person?

Select	Answer
A	One for each band on which the person plans to operate
B	No more than two
C	One for each permanent station location from which the person plans to operate
D	One

5. - T1B04

Which amateur band includes 146.52 MHz?

Select	Answer
A	70 centimeters
B	6 meters
C	20 meters
D	2 meters

6. - T1C09

What is the grace period for renewal if an amateur license expires?

Select	Answer
A	Three years
B	Ten years
C	Five years
D	Two years

7. - T1D10

How does the FCC define broadcasting for the Amateur Radio Service?

Select	Answer
A	Transmissions intended for reception by the general public
B	Any transmission made by the licensed station
C	Transmission of messages directed only to amateur operators
D	Two-way transmissions by amateur stations

8. - T1E03

Who must designate the station control operator?

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

9. - T1F06

Which of the following self-assigned indicators are acceptable when using a phone transmission?

Select	Answer
A	KL7CC slant W3
B	All these choices are correct
C	KL7CC stroke W3
D	KL7CC slash W3

10. - T2A09

Which of the following indicates that a station is listening on a repeater and looking for a contact?

Select	Answer
A	“QSY” followed by your call sign
B	“CQ CQ” followed by the repeater’s call sign
C	The station’s call sign followed by the word “monitoring”
D	The repeater call sign followed by the station’s call sign

11. - T2B07

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

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

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 FCC part 97 amateur radio service for civil defense communications during national emergencies
D	An international radio experimentation society

13. - T3A12

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

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

14. - T3B09

What frequency range is referred to as UHF?

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

15. - T3C11

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

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

16. - T4A04

How are the transceiver audio input and output connected in a station configured to operate using FT8?

Select	Answer
A	To an FT8 conversion unit, a keyboard, and a computer monitor
B	To a computer connected to the FT8converter.com website
C	To the audio input and output of a computer running WSJT-X software
D	To a computer running a terminal program and connected to a terminal node controller unit

17. - T4B10

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

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

18. - T5A10

Which term describes the rate at which electrical energy is used?

Select	Answer
A	Power
B	Voltage
C	Resistance
D	Current

19. - T5B06

Which is equal to 3000 milliamperes?

Select	Answer
A	0.3 amperes
B	0.003 amperes
C	3 amperes
D	3,000,000 amperes

20. - T5C11

How much current is required to deliver 120 watts at a voltage of 12 volts DC?

Select	Answer
A	10 amperes
B	12 amperes
C	0.1 amperes
D	132 amperes

21. - T5D08

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

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

22. - T6A06

What type of electrical component stores energy in a magnetic field?

Select	Answer
A	Inductor
B	Capacitor
C	Diode
D	Varistor

23. - T6B04

Which of the following components can consist of three regions of semiconductor material?

Select	Answer
A	Alternator
B	Transistor
C	Pentagrid converter
D	Triode

24. - T6C09

What is component 4 in figure T-2?

Select	Answer
A	Variable inductor
B	Transformer
C	Double-pole switch
D	Potentiometer

25. - T6D03

Which of the following is a reason to use shielded wire?

Select	Answer
A	To increase the current carrying capability of the wire
B	To decrease the resistance of DC power connections
C	To couple the wire to other signals
D	To prevent coupling of unwanted signals to or from the wire

26. - T7A07

What is the function of a transceiver’s PTT input?

Select	Answer
A	Input for a preamplifier tuning tone
B	Input for a key used to send CW
C	Switches transceiver from receive to transmit when grounded
D	Provides a transmit tuning tone when grounded

27. - T7B07

Which of the following can reduce overload of a VHF transceiver by a nearby commercial FM station?

Select	Answer
A	Installing a band-reject filter
B	Installing an RF preamplifier
C	Installing bypass capacitors on the microphone cable
D	Using double-shielded coaxial cable

28. - T7C08

Which instrument can be used to determine SWR?

Select	Answer
A	Ohmmeter
B	Directional wattmeter
C	Iambic pentameter
D	Voltmeter

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	Lead-tin solder
D	Rosin-core solder

30. - T8A08

What is the approximate bandwidth of a typical single sideband (SSB) voice signal?

Select	Answer
A	3 kHz
B	6 kHz
C	1 kHz
D	15 kHz

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	The Keplerian elements
D	All these choices are correct

32. - T8C03

What operating activity involves contacting as many stations as possible during a specified period?

Select	Answer
A	Simulated emergency exercises
B	Public service events
C	Contesting
D	Net operations

33. - T8D01

Which of the following is a digital communications mode?

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

34. - T9A07

What is a disadvantage of using a handheld VHF transceiver with a flexible antenna inside a vehicle?

Select	Answer
A	All these choices are correct
B	The bandwidth of the antenna will decrease, increasing SWR
C	The SWR might decrease, decreasing the signal strength
D	Signal strength is reduced due to the shielding effect of the vehicle

35. - T9B08

Which of the following is a source of loss in coaxial feed line?

Select	Answer
A	All these choices are correct
B	High SWR
C	Multiple connectors in the line
D	Water intrusion into coaxial connectors

Figure T-2