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. - T0A06

What is a good way to guard against electrical shock at your station?

Select	Answer
A	Connect all AC powered station equipment to a common safety ground
B	Install mechanical interlocks in high-voltage circuits
C	All these choices are correct
D	Use three-wire cords and plugs for all AC powered equipment

2. - T0B04

Which of the following is an important safety precaution to observe when putting up an antenna tower?

Select	Answer
A	All these choices are correct
B	Wear a ground strap connected to your wrist at all times
C	Insulate the base of the tower to avoid lightning strikes
D	Look for and stay clear of any overhead electrical wires

3. - T0C12

How does RF radiation differ from ionizing radiation (radioactivity)?

Select	Answer
A	RF radiation is limited in range to a few feet
B	RF radiation is perfectly safe
C	RF radiation does not have sufficient energy to cause chemical changes in cells and damage DNA
D	RF radiation can only be detected with an RF dosimeter

4. - T1A05

What proves that the FCC has issued an operator/primary license grant?

Select	Answer
A	A printed copy of the certificate of successful completion of examination
B	All these choices are correct
C	An email notification from the NCVEC granting the license
D	The license appears in the FCC ULS database

5. - T1B01

Which of the following frequency ranges are available for phone operation by Technician licensees?

Select	Answer
A	28.100 MHz to 28.300 MHz
B	28.050 MHz to 28.150 MHz
C	28.300 MHz to 28.500 MHz
D	28.500 MHz to 28.600 MHz

6. - T1C11

If your license has expired and is still within the allowable grace period, may you continue to transmit on the amateur radio bands?

Select	Answer
A	Yes, for up to one year
B	Yes, for up to two years
C	No, you must wait until the license has been renewed
D	Yes, as soon as you apply for renewal

7. - T1D01

With which countries are FCC-licensed amateur radio stations prohibited from exchanging communications?

Select	Answer
A	Any country whose administration has notified the International Telecommunication Union (ITU) that it objects to such communications
B	Any country whose administration has notified the American Radio Relay League (ARRL) that it objects to such communications
C	Any country banned from such communications by the International Amateur Radio Union (IARU)
D	Any country banned from making such communications by the American Radio Relay League (ARRL)

8. - T1E04

What determines the transmitting frequency privileges of an amateur station?

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

9. - T1F01

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

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

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 "break, break," then say the station's call sign
C	Say "CQ" three times, then the other station's call sign
D	Wait for the station to call CQ, then answer

11. - T2B06

What type of signaling uses pairs of audio tones?

Select	Answer
A	CTCSS
B	D-STAR
C	GPRS
D	DTMF

12. - T2C03

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

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

13. - T3A05

When using a directional antenna, how might your station be able to communicate with a distant repeater if buildings or obstructions are blocking the direct line of sight path?

Select	Answer
A	Try to find a path that reflects signals to the repeater
B	Try the long path
C	Change from vertical to horizontal polarization
D	Increase the antenna SWR

14. - T3B09

What frequency range is referred to as UHF?

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

15. - T3C05

Which of the following effects may allow radio signals to travel beyond obstructions between the transmitting and receiving stations?

Select	Answer
A	Doppler shift
B	Faraday rotation
C	Knife-edge diffraction
D	Quantum tunneling

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	At the power supply output
C	In the feed line, between the transmitter and antenna
D	In the power supply cable, as close as possible to the radio

17. - T4B02

Which of the following can be used to enter a transceiver’s operating frequency?

Select	Answer
A	All these choices are correct
B	The CTCSS or DTMF encoder
C	The keypad or VFO knob
D	The Automatic Frequency Control

18. - T5A09

Which of the following describes alternating current?

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

19. - T5B13

Which is equal to 2425 MHz?

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

20. - T5C02

What is the unit of capacitance?

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

21. - T5D03

What formula is used to calculate resistance in a circuit?

Select	Answer
A	R = E + I
B	R = E - I
C	R = E / I
D	R = E x I

22. - T6A03

What electrical parameter is controlled by a potentiometer?

Select	Answer
A	Resistance
B	Inductance
C	Field strength
D	Capacitance

23. - T6B05

What type of transistor has a gate, drain, and source?

Select	Answer
A	Varistor
B	Tesla-effect
C	Bipolar junction
D	Field-effect

24. - T6C08

What is component 9 in figure T-2?

Select	Answer
A	Variable transformer
B	Variable inductor
C	Variable capacitor
D	Variable resistor

25. - T6D01

Which of the following devices or circuits changes an alternating current into a varying direct current signal?

Select	Answer
A	Reflector
B	Rectifier
C	Amplifier
D	Transformer

26. - T7A03

Which of the following is used to convert a signal from one frequency to another?

Select	Answer
A	Phase splitter
B	Amplifier
C	Inverter
D	Mixer

27. - T7B08

What should you do if something in a neighbor’s home is causing harmful interference to your amateur station?

Select	Answer
A	Politely inform your neighbor that FCC rules prohibit the use of devices that cause interference
B	Make sure your station meets the standards of good amateur practice
C	Work with your neighbor to identify the offending device
D	All these choices are correct

28. - T7C01

What is the primary purpose of a dummy load?

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

29. - T7D06

Which of the following can damage a multimeter?

Select	Answer
A	Not allowing it to warm up properly
B	Attempting to measure resistance using the voltage setting
C	Attempting to measure voltage when using the resistance setting
D	Failing to connect one of the probes to ground

30. - T8A07

What is a characteristic of single sideband (SSB) compared to FM?

Select	Answer
A	SSB signals are easier to tune in correctly
B	All these choices are correct
C	SSB signals are less susceptible to interference
D	SSB signals have narrower bandwidth

31. - T8B08

What is meant by the statement that a satellite is operating in U/V mode?

Select	Answer
A	The satellite frequencies are usually variable
B	The satellite operates using ultraviolet frequencies
C	The satellite uplink is in the 70 centimeter band and the downlink is in the 2 meter band
D	The satellite uplink is in the 15 meter band and the downlink is in the 10 meter band

32. - T8C01

Which of the following methods is used to locate sources of noise interference or jamming?

Select	Answer
A	Phase locking
B	Doppler radar
C	Radio direction finding
D	Echolocation

33. - T8D02

What is a “talkgroup” on a DMR repeater?

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

34. - T9A11

What is antenna gain?

Select	Answer
A	The additional power that is required in the antenna when transmitting on a higher frequency
B	The additional power that is added to the transmitter power
C	The increase in signal strength in a specified direction compared to a reference antenna
D	The increase in impedance on receive or transmit compared to a reference antenna

35. - T9B03

Why is coaxial cable the most common feed line for amateur radio antenna systems?

Select	Answer
A	It can handle more power than any other type of feed line
B	It is easy to use and requires few special installation considerations
C	It has less loss than any other type of feed line
D	It is less expensive than any other type of feed line

Figure T-2