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

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 no electrical work is being performed
D	When the work being done is not more than 20 feet above the ground

3. - T0C05

Why do exposure limits vary with frequency?

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

4. - T1A11

When is willful interference to other amateur radio stations permitted?

Select	Answer
A	At any time, stations in the Amateur Radio Service are not protected from willful interference
B	When making short test transmissions
C	To stop another amateur station that is breaking the FCC rules
D	At no time

5. - T1B09

Why should you not set your transmit frequency to be exactly at the edge of an amateur band or sub-band?

Select	Answer
A	All these choices are correct
B	So that modulation sidebands do not extend beyond the band edge
C	To allow for calibration error in the transmitter frequency display
D	To allow for transmitter frequency drift

6. - T1C06

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

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

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	Two-way transmissions by amateur stations
C	Transmission of messages directed only to amateur operators
D	Any transmission made by the licensed station

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	A General class or higher licensee with a satellite operator certification
D	Only an Amateur Extra Class operator

9. - T1F01

When must the station and its records be available for FCC inspection?

Select	Answer
A	At any time after written notification by the FCC of such inspection
B	At any time ten days after notification by the FCC of such an inspection
C	Only when presented with a valid warrant by an FCC official or government agent
D	At any time upon request by an FCC representative

10. - T2A02

What is the national calling frequency for FM simplex operations in the 2 meter band?

Select	Answer
A	446.000 MHz
B	432.100 MHz
C	145.000 MHz
D	146.520 MHz

11. - T2B02

What term describes the use of a sub-audible tone transmitted along with normal voice audio to open the squelch of a receiver?

Select	Answer
A	Tone burst
B	DTMF
C	Carrier squelch
D	CTCSS

12. - T2C03

What technique is used to ensure that voice messages containing unusual words are received correctly?

Select	Answer
A	Speak very loudly into the microphone
B	Send the words by voice and Morse code
C	Spell the words using a standard phonetic alphabet
D	All these choices are correct

13. - T3A03

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

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

14. - T3B01

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

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

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	The atmosphere refracts radio waves slightly
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	Flat copper strap
B	Steel wire
C	Twisted-pair cable
D	Copper braid removed from coaxial cable

17. - T4B09

How is a specific group of stations selected on a digital voice transceiver?

Select	Answer
A	By activating automatic identification
B	By entering the group’s identification code
C	By retrieving the frequencies from transceiver memory
D	By enabling the group’s CTCSS tone

18. - T5A10

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

Select	Answer
A	Resistance
B	Voltage
C	Current
D	Power

19. - T5B10

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

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

20. - T5C04

What is the unit of inductance?

Select	Answer
A	The henry
B	The coulomb
C	The farad
D	The ohm

21. - T5D11

What is the voltage across a 10-ohm resistor if a current of 1 ampere flows through it?

Select	Answer
A	11 volts
B	9 volts
C	10 volts
D	1 volt

22. - T6A06

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

Select	Answer
A	Capacitor
B	Diode
C	Varistor
D	Inductor

23. - T6B10

Which of the following can provide power gain?

Select	Answer
A	Transistor
B	Resistor
C	Reactor
D	Transformer

24. - T6C10

What is component 3 in figure T-3?

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

25. - T6D04

Which of the following displays an electrical quantity as a numeric value?

Select	Answer
A	Relay
B	Potentiometer
C	Transistor
D	Meter

26. - T7A11

Where is an RF preamplifier installed?

Select	Answer
A	At the output of the receiver audio amplifier
B	Between the antenna and receiver
C	At the output of the transmitter power amplifier
D	Between the transmitter and the antenna tuner

27. - T7B10

What might be a problem if you receive a report that your audio signal through an FM repeater is distorted or unintelligible?

Select	Answer
A	Your transmitter is slightly off frequency
B	All these choices are correct
C	Your batteries are running low
D	You are in a bad location

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. - T7D02

How is a voltmeter connected to a component to measure applied voltage?

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

30. - T8A06

Which sideband is normally used for 10 meter HF, VHF, and UHF single-sideband communications?

Select	Answer
A	Suppressed sideband
B	Upper sideband
C	Lower sideband
D	Inverted sideband

31. - T8B06

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

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

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. - T8D10

Which of the following operating activities is supported by digital mode software in the WSJT-X software suite?

Select	Answer
A	Meteor scatter
B	All these choices are correct
C	Earth-Moon-Earth
D	Weak signal propagation beacons

34. - T9A02

Which of the following describes a type of antenna loading?

Select	Answer
A	Electrically lengthening by inserting inductors in radiating elements
B	Installing a spring in the base of a mobile vertical antenna to make it more flexible
C	Inserting a resistor in the radiating portion of the antenna to make it resonant
D	Strengthening the radiating elements of a beam antenna to better resist wind damage

35. - T9B09

What can cause erratic changes in SWR?

Select	Answer
A	Loose connection in the antenna or feed line
B	Overload from a strong local station
C	Over-modulation
D	Local thunderstorm

Figure T-3