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

2. - T0B02

What is required when climbing an antenna tower?

Select	Answer
A	Have sufficient training on safe tower climbing techniques
B	All these choices are correct
C	Use appropriate tie-off to the tower at all times
D	Always wear an approved climbing harness

3. - T0C03

How does the allowable power density for RF safety change if duty cycle changes from 100 percent to 50 percent?

Select	Answer
A	It increases by a factor of 3
B	It increases by a factor of 2
C	It decreases by 50 percent
D	There is no adjustment allowed for lower duty cycle

4. - T1A10

What is the Radio Amateur Civil Emergency Service (RACES)?

Select	Answer
A	An emergency service using amateur operators certified by a civil defense organization as being enrolled in that organization
B	All these choices are correct
C	A radio service using amateur stations for emergency management or civil defense communications
D	A radio service using amateur frequencies for emergency management or civil defense communications

5. - T1B03

Which frequency is in the 6 meter amateur band?

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

6. - T1C10

How soon after passing the examination for your first amateur radio license may you transmit on the amateur radio bands?

Select	Answer
A	As soon as your operator/station license grant appears on the ARRL website
B	As soon as you receive your license in the mail from the FCC
C	Immediately on receiving your Certificate of Successful Completion of Examination (CSCE)
D	As soon as your operator/station license grant appears in the FCC’s license database

7. - T1D08

In which of the following circumstances may the control operator of an amateur station receive compensation for operating that station?

Select	Answer
A	All these choices are correct
B	When the communication is incidental to classroom instruction at an educational institution
C	When the communication is made to obtain emergency information for a local broadcast station
D	When the communication is related to the sale of amateur equipment by the control operator's employer

8. - T1E04

What determines the transmitting frequency privileges of an amateur station?

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

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	A message from a control operator to another amateur station control operator on behalf of another person
C	Operation when the transmitting equipment is licensed to a person other than the control operator
D	Temporary authorization for an unlicensed person to transmit on the amateur bands for technical experiments

10. - T2A03

What is a common repeater frequency offset in the 70 cm band?

Select	Answer
A	Plus or minus 1 MHz
B	Plus or minus 5 MHz
C	Plus or minus 500 kHz
D	Plus or minus 600 kHz

11. - T2B09

Why are simplex channels designated in the VHF/UHF band plans?

Select	Answer
A	So stations with simple transmitters can access the repeater without automated offset
B	So stations within range of each other can communicate without tying up a repeater
C	For working DX only
D	For contest operation

12. - T2C06

What is the Amateur Radio Emergency Service (ARES)?

Select	Answer
A	A group of licensed amateurs who have voluntarily registered their qualifications and equipment for communications duty in the public service
B	A group of licensed amateurs who are members of the military and who voluntarily agreed to provide message handling services in the case of an emergency
C	A training program that certifies amateur operators for membership in the Radio Amateur Civil Emergency Service
D	A training program that provides licensing courses for those interested in obtaining an amateur license to use during emergencies

13. - T3A09

Which of the following results from the fact that signals propagated by the ionosphere are elliptically polarized?

Select	Answer
A	Digital modes are unusable
B	Either vertically or horizontally polarized antennas may be used for transmission or reception
C	FM voice is unusable
D	Both the transmitting and receiving antennas must be of the same polarization

14. - T3B10

What frequency range is referred to as HF?

Select	Answer
A	3 to 30 MHz
B	300 to 3000 MHz
C	300 to 3000 kHz
D	30 to 300 MHz

15. - T3C11

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

Select	Answer
A	Radio waves are 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 not blocked by dust particles

16. - T4A02

Which of the following should be considered when selecting an accessory SWR meter?

Select	Answer
A	The distance that the meter will be located from the antenna
B	All these choices are correct
C	The frequency and power level at which the measurements will be made
D	The types of modulation being used at the station

17. - T4B12

What is the result of tuning an FM receiver above or below a signal’s frequency?

Select	Answer
A	Sideband inversion
B	Change in audio pitch
C	Generation of a heterodyne tone
D	Distortion of the signal’s audio

18. - T5A03

What is the name for the flow of electrons in an electric circuit?

Select	Answer
A	Resistance
B	Current
C	Voltage
D	Capacitance

19. - T5B05

Which is equal to 500 milliwatts?

Select	Answer
A	50 watts
B	0.5 watts
C	5 watts
D	0.02 watts

20. - T5C06

What does the abbreviation “RF” mean?

Select	Answer
A	The real frequency transmitted as opposed to the apparent frequency
B	Radio frequency signals of all types
C	The resonant frequency of a tuned circuit
D	Reflective force in antenna transmission lines

21. - T5D14

In which type of circuit is voltage the same across all components?

Select	Answer
A	Parallel
B	Resonant
C	Series
D	Branch

22. - T6A10

Which of the following battery chemistries is rechargeable?

Select	Answer
A	Lead-acid
B	Nickel-metal hydride
C	All these choices are correct
D	Lithium-ion

23. - T6B07

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

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

24. - T6C03

What is component 2 in figure T-1?

Select	Answer
A	Indicator lamp
B	Connector
C	Resistor
D	Transistor

25. - T6D04

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

Select	Answer
A	Potentiometer
B	Meter
C	Transistor
D	Relay

26. - T7A07

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

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

27. - T7B01

What can you do if you are told your FM handheld or mobile transceiver is over-deviating?

Select	Answer
A	Let the transceiver cool off
B	Change to a higher power level
C	Talk louder into the microphone
D	Talk farther away from the microphone

28. - T7C01

What is the primary purpose of a dummy load?

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

29. - T7D07

Which of the following measurements are made using a multimeter?

Select	Answer
A	Impedance and reactance
B	Signal strength and noise
C	Voltage and resistance
D	All these choices are correct

30. - T8A10

What is the approximate bandwidth of AM fast-scan TV transmissions?

Select	Answer
A	About 3 MHz
B	More than 10 MHz
C	About 1 MHz
D	About 6 MHz

31. - T8B09

What causes spin fading of satellite signals?

Select	Answer
A	Doppler shift of the received signal
B	Circular polarized noise interference radiated from the sun
C	Interfering signals within the satellite uplink band
D	Rotation of the satellite and its antennas

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 technique employed to “spot” DX stations via the internet
C	A set of rules specifying how to identify your station when linked over the internet to another station
D	A method of delivering voice communications over the internet using digital techniques

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 net that meets at a specified time
C	A group of operators sharing common interests
D	A way for groups of users to share a channel at different times without hearing other users on the channel

34. - T9A05

Which of the following increases the resonant frequency of a dipole antenna?

Select	Answer
A	Adding capacitive loading to the ends of the radiating wires
B	Inserting coils in series with radiating wires
C	Shortening it
D	Lengthening it

35. - T9B09

What can cause erratic changes in SWR?

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

Figure T-1