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. - T0A02

What health hazard is presented by electrical current flowing through the body?

Select	Answer
A	It may cause injury by heating tissue
B	It may disrupt the electrical functions of cells
C	It may cause involuntary muscle contractions
D	All these choices are correct

2. - T0B03

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

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

3. - T0C08

Which of the following actions can reduce exposure to RF radiation?

Select	Answer
A	Increase the duty cycle
B	Relocate antennas
C	Relocate the transmitter
D	All these choices are correct

4. - T1A01

Which of the following is part of the Basis and Purpose of the Amateur Radio Service?

Select	Answer
A	Providing communications for international non-profit organizations
B	Providing personal radio communications for as many citizens as possible
C	All these choices are correct
D	Advancing skills in the technical and communication phases of the radio art

5. - T1B01

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

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

6. - T1C02

Who may select a desired call sign under the vanity call sign rules?

Select	Answer
A	Any licensed amateur
B	Only a licensed amateur who has been licensed continuously for more than 10 years
C	Only a licensed amateur with a General or Amateur Extra Class license
D	Only a licensed amateur with an Amateur Extra Class license

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

8. - T1E06

When, under normal circumstances, may a Technician class licensee be the control operator of a station operating in an Amateur Extra Class band segment?

Select	Answer
A	When designated as the control operator by an Amateur Extra Class licensee
B	As part of a multi-operator contest team
C	When using a club station whose trustee holds an Amateur Extra Class license
D	At no time

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	Only when presented with a valid warrant by an FCC official or government agent
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. - T2A11

What term describes an amateur station that is transmitting and receiving on the same frequency?

Select	Answer
A	Full duplex
B	Diplex
C	Multiplex
D	Simplex

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	Defines the frequency pair to use
D	Identifies the codec used

12. - T2C01

When do FCC rules NOT apply to the operation of an amateur station?

Select	Answer
A	FCC rules always apply
B	When operating under special FEMA rules
C	When operating under special ARES rules
D	When operating a RACES station

13. - T3A08

What is a likely cause of irregular fading of signals propagated by the ionosphere?

Select	Answer
A	Random combining of signals arriving via different paths
B	Interference from thunderstorms
C	Frequency shift due to Faraday rotation
D	Intermodulation distortion

14. - T3B08

What frequency range is referred to as VHF?

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

15. - T3C03

What is a characteristic of VHF signals received via auroral backscatter?

Select	Answer
A	They are generally strongest when your antenna is aimed west
B	They occur only during winter nighttime hours
C	They are often received from 10,000 miles or more
D	They are distorted and signal strength varies considerably

16. - T4A02

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

Select	Answer
A	The frequency and power level at which the measurements will be made
B	The distance that the meter will be located from the antenna
C	All these choices are correct
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	Generation of a heterodyne tone
B	Distortion of the signal’s audio
C	Sideband inversion
D	Change in audio pitch

18. - T5A01

Electrical current is measured in which of the following units?

Select	Answer
A	Volts
B	Ohms
C	Watts
D	Amperes

19. - T5B08

Which is equal to 1,000,000 picofarads?

Select	Answer
A	0.001 microfarads
B	1000 microfarads
C	1 microfarad
D	1,000,000,000 microfarads

20. - T5C12

What is impedance?

Select	Answer
A	The Q or Quality Factor of a component
B	The power handling capability of a component
C	The opposition to AC current flow
D	The inverse of resistance

21. - T5D08

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

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

22. - T6A05

What type of electrical component consists of conductive surfaces separated by an insulator?

Select	Answer
A	Potentiometer
B	Capacitor
C	Resistor
D	Oscillator

23. - T6B02

What electronic component allows current to flow in only one direction?

Select	Answer
A	Diode
B	Resistor
C	Fuse
D	Driven element

24. - T6C06

What is component 6 in figure T-2?

Select	Answer
A	Resistor
B	Capacitor
C	Transistor
D	Regulator IC

25. - T6D05

What type of circuit controls the amount of voltage from a power supply?

Select	Answer
A	Phase inverter
B	Oscillator
C	Regulator
D	Filter

26. - T7A10

What device increases the transmitted output power from a transceiver?

Select	Answer
A	All these choices are correct
B	An RF power amplifier
C	A voltage divider
D	An impedance network

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	Talk louder into the microphone
C	Change to a higher power level
D	Talk farther away from the microphone

28. - T7C10

Why should the outer jacket of coaxial cable be resistant to ultraviolet light?

Select	Answer
A	Ultraviolet resistant jackets prevent harmonic radiation
B	Ultraviolet light can damage the jacket and allow water to enter the cable
C	Ultraviolet light can increase losses in the cable’s jacket
D	Ultraviolet and RF signals can mix, causing interference

29. - T7D04

Which instrument is used to measure electric current?

Select	Answer
A	A voltmeter
B	An ohmmeter
C	An ammeter
D	An electrometer

30. - T8A01

Which of the following is a form of amplitude modulation?

Select	Answer
A	Phase shift keying (PSK)
B	Single sideband
C	Spread spectrum
D	Packet radio

31. - T8B02

What is the impact of using excessive effective radiated power on a satellite uplink?

Select	Answer
A	Possibility of rebooting the satellite control computer
B	Possibility of commanding the satellite to an improper mode
C	Overloading the satellite batteries
D	Blocking access by other users

32. - T8C10

What is required before using the EchoLink system?

Select	Answer
A	Register your call sign and provide proof of license
B	All these choices are correct
C	Purchase a license to use the EchoLink software
D	Complete the required EchoLink training

33. - T8D07

Which of the following describes DMR?

Select	Answer
A	A technique for time-multiplexing two digital voice signals on a single 12.5 kHz repeater channel
B	An automatic computer logging technique for hands-off logging when communicating while operating a vehicle
C	An automatic position tracking mode for FM mobiles communicating through repeaters
D	A digital technique for transmitting on two repeater inputs simultaneously for automatic error correction

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

35. - T9B05

What happens as the frequency of a signal in coaxial cable is increased?

Select	Answer
A	The loss increases
B	The loss decreases
C	The characteristic impedance decreases
D	The characteristic impedance increases

Figure T-2