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

2. - T0B10

Which of the following is true when installing grounding conductors used for lightning protection?

Select	Answer
A	Sharp bends must be avoided
B	Use only non-insulated wire
C	Wires must be carefully routed with precise right-angle bends
D	Common grounds must be avoided

3. - T0C09

How can you make sure your station stays in compliance with RF safety regulations?

Select	Answer
A	By making sure your antennas have low SWR
B	All these choices are correct
C	By informing the FCC of any changes made in your station
D	By re-evaluating the station whenever an item in the transmitter or antenna system is changed

4. - T1A11

When is willful interference to other amateur radio stations permitted?

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

5. - T1B03

Which frequency is in the 6 meter amateur band?

Select	Answer
A	222.15 MHz
B	52.525 MHz
C	49.00 MHz
D	28.50 MHz

6. - T1C07

Which of the following can result in revocation of the station license or suspension of the operator license?

Select	Answer
A	Failure to provide and maintain a correct email address with the FCC
B	Failure to obtain FCC type acceptance prior to using a home-built transmitter
C	Failure to inform the FCC of any changes in the amateur station following performance of an RF safety environmental evaluation
D	Failure to have a copy of your license available at your station

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

8. - T1E01

When may an amateur station transmit without a control operator?

Select	Answer
A	When the transmitting station is an auxiliary station
B	When the station licensee is away and another licensed amateur is using the station
C	Never
D	When using automatic control, such as in the case of a repeater

9. - T1F08

What is the definition of third party communications?

Select	Answer
A	A message from a control operator to another amateur station control operator on behalf of another person
B	Amateur radio communications where three stations are in communications with one another
C	Temporary authorization for an unlicensed person to transmit on the amateur bands for technical experiments
D	Operation when the transmitting equipment is licensed to a person other than the control operator

10. - T2A12

What should you do before calling CQ?

Select	Answer
A	All these choices are correct
B	Listen first to be sure that no one else is using the frequency
C	Ask if the frequency is in use
D	Make sure you are authorized to use that frequency

11. - T2B12

What is the purpose of the color code used on DMR repeater systems?

Select	Answer
A	Must match the repeater color code for access
B	Defines the minimum signal level required for access
C	Identifies the codec used
D	Defines the frequency pair to use

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	Speak very loudly into the microphone
D	Send the words by voice and Morse code

13. - T3A06

What is the meaning of the term “picket fencing”?

Select	Answer
A	Alternating transmissions during a net operation
B	Local vs long-distance communications
C	A type of ground system used with vertical antennas
D	Rapid flutter on mobile signals due to multipath propagation

14. - T3B08

What frequency range is referred to as VHF?

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

15. - T3C02

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

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

16. - T4A07

Which of the following connections is made between a computer and a transceiver to use computer software when operating digital modes?

Select	Answer
A	Computer “line out” to transceiver speaker connector
B	Computer “line in” to transceiver push-to-talk
C	Computer “line in” to transceiver speaker connector
D	Computer “line out” to transceiver push-to-talk

17. - T4B08

What is the advantage of having multiple receive bandwidth choices on a multimode transceiver?

Select	Answer
A	Increases the number of frequencies that can be stored in memory
B	Increases the amount of offset between receive and transmit frequencies
C	Permits monitoring several modes at once by selecting a separate filter for each mode
D	Permits noise or interference reduction by selecting a bandwidth matching the mode

18. - T5A08

Which of the following is a good electrical insulator?

Select	Answer
A	Copper
B	Mercury
C	Glass
D	Aluminum

19. - T5B10

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

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

20. - T5C09

How much power is delivered by a voltage of 13.8 volts DC and a current of 10 amperes?

Select	Answer
A	0.7 watts
B	3.8 watts
C	138 watts
D	23.8 watts

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 x I
D	R = E / I

22. - T6A08

What is the function of an SPDT switch?

Select	Answer
A	A single circuit is switched between one of two other circuits
B	A single circuit is opened or closed
C	Two circuits are opened or closed
D	Two circuits are each switched between one of two other circuits

23. - T6B07

What causes a light-emitting diode (LED) to emit light?

Select	Answer
A	Reverse current
B	Forward current
C	Capacitively-coupled RF signal
D	Inductively-coupled RF signal

24. - T6C03

What is component 2 in figure T-1?

Select	Answer
A	Resistor
B	Indicator lamp
C	Transistor
D	Connector

25. - T6D08

Which of the following is combined with an inductor to make a resonant circuit?

Select	Answer
A	Capacitor
B	Potentiometer
C	Resistor
D	Zener diode

26. - T7A03

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

Select	Answer
A	Mixer
B	Amplifier
C	Inverter
D	Phase splitter

27. - T7B11

What is a symptom of RF feedback in a transmitter or transceiver?

Select	Answer
A	Frequent blowing of power supply fuses
B	Reports of garbled, distorted, or unintelligible voice transmissions
C	Excessive SWR at the antenna connection
D	The transmitter will not stay on the desired frequency

28. - T7C03

What does a dummy load consist of?

Select	Answer
A	A 50-ohm reactance used to terminate a transmission line
B	A non-inductive resistor mounted on a heat sink
C	A high-gain amplifier and a TR switch
D	A low-voltage power supply and a DC relay

29. - T7D09

What is the characteristic appearance of a cold tin-lead solder joint?

Select	Answer
A	A bright or shiny surface
B	A rough or lumpy surface
C	Dark black spots
D	Excessive solder

30. - T8A05

Which of the following types of signal has the narrowest bandwidth?

Select	Answer
A	Slow-scan TV
B	SSB voice
C	CW
D	FM voice

31. - T8B07

What is Doppler shift in reference to satellite communications?

Select	Answer
A	A change in the satellite orbit
B	A special digital communications mode for some satellites
C	An observed change in signal frequency caused by relative motion between the satellite and Earth station
D	A mode where the satellite receives signals on one band and transmits on another

32. - T8C07

What is Voice Over Internet Protocol (VoIP)?

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

33. - T8D03

What kind of data can be transmitted by APRS?

Select	Answer
A	GPS position data
B	Text messages
C	Weather data
D	All these choices are correct

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	It is mechanically fragile
B	It transmits only circularly polarized signals
C	It has low efficiency
D	All these choices are correct

35. - T9B11

Which of the following types of feed line has the lowest loss at VHF and UHF?

Select	Answer
A	75-ohm flexible coax
B	Air-insulated hardline
C	50-ohm flexible coax
D	Multi-conductor unbalanced cable

Figure T-1