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. - T0A10

What hazard is caused by charging or discharging a battery too quickly?

Select	Answer
A	Half-wave rectification
B	Excess output ripple
C	Overheating or out-gassing
D	Inverse memory effect

2. - T0B02

What is required when climbing an antenna tower?

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

3. - T0C01

What type of radiation are radio signals?

Select	Answer
A	Non-ionizing radiation
B	Ionizing radiation
C	Gamma radiation
D	Alpha radiation

4. - T1A01

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

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

5. - T1B11

What is the maximum peak envelope power output for Technician class operators in their HF band segments?

Select	Answer
A	10 watts
B	50 watts
C	100 watts
D	200 watts

6. - T1C08

What is the normal term for an FCC-issued amateur radio license?

Select	Answer
A	Life
B	Five years
C	Ten years
D	Eight years

7. - T1D07

What types of amateur stations can automatically retransmit the signals of other amateur stations?

Select	Answer
A	Earth, repeater, or space stations
B	Repeater, auxiliary, or space stations
C	Beacon, repeater, or space stations
D	Auxiliary, beacon, or Earth stations

8. - T1E09

Which of the following are required for remote control operation?

Select	Answer
A	The control operator must indirectly manipulate the controls
B	The control operator must be at the control point
C	A control operator is required at all times
D	All these choices are correct

9. - T1F10

Who is accountable if a repeater inadvertently retransmits communications that violate the FCC rules?

Select	Answer
A	The owner of the repeater
B	The control operator of the repeater
C	Both the originating station and the repeater owner
D	The control operator of the originating station

10. - T2A10

What is a band plan, beyond the privileges established by the FCC?

Select	Answer
A	A plan devised by a club to indicate frequency band usage
B	A voluntary guideline for using different modes or activities within an amateur band
C	A list of operating schedules
D	A list of available net frequencies

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	Carrier squelch
B	DTMF
C	CTCSS
D	Tone burst

12. - T2C07

Which of the following is standard practice when you participate in a net?

Select	Answer
A	When first responding to the net control station, transmit your call sign, name, and address as in the FCC database
B	All these choices are correct
C	Record the time of each of your transmissions
D	Unless you are reporting an emergency, transmit only when directed by the net control station

13. - T3A04

What happens when antennas at opposite ends of a VHF or UHF line of sight radio link are not using the same polarization?

Select	Answer
A	Received signal strength is reduced
B	The modulation sidebands might become inverted
C	Signals have an echo effect
D	Nothing significant will happen

14. - T3B03

What are the two components of a radio wave?

Select	Answer
A	Ionizing and non-ionizing radiation
B	Impedance and reactance
C	Electric and magnetic fields
D	Voltage and current

15. - T3C01

Why are simplex UHF signals rarely heard beyond their radio horizon?

Select	Answer
A	UHF signals are usually not propagated by the ionosphere
B	FCC regulations prohibit them from going more than 50 miles
C	UHF signals are absorbed by the ionospheric D region
D	They are too weak to go very far

16. - T4A01

Which of the following is an appropriate power supply rating for a typical 50 watt output mobile FM transceiver?

Select	Answer
A	24.0 volts at 4 amperes
B	24.0 volts at 12 amperes
C	13.8 volts at 12 amperes
D	13.8 volts at 4 amperes

17. - T4B03

How is squelch adjusted so that a weak FM signal can be heard?

Select	Answer
A	Set the squelch threshold so that receiver output audio is on all the time
B	Enable squelch enhancement
C	Turn on the anti-squelch function
D	Turn up the audio level until it overcomes the squelch threshold

18. - T5A07

Why are metals generally good conductors of electricity?

Select	Answer
A	They have many free protons
B	They have relatively high density
C	All these choices are correct
D	They have many free electrons

19. - T5B11

Which decibel value represents a power increase from 20 watts to 200 watts?

Select	Answer
A	28 dB
B	10 dB
C	12 dB
D	18 dB

20. - T5C05

What is the unit of impedance?

Select	Answer
A	The ampere
B	The volt
C	The coulomb
D	The ohm

21. - T5D12

What is the voltage across a 10-ohm resistor if a current of 2 amperes flows through it?

Select	Answer
A	8 volts
B	0.2 volts
C	12 volts
D	20 volts

22. - T6A06

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

Select	Answer
A	Diode
B	Varistor
C	Inductor
D	Capacitor

23. - T6B05

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

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

24. - T6C05

What is component 4 in figure T-1?

Select	Answer
A	Transistor
B	Resistor
C	Ground symbol
D	Battery

25. - T6D01

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

Select	Answer
A	Amplifier
B	Transformer
C	Reflector
D	Rectifier

26. - T7A08

Which of the following describes combining speech with an RF carrier signal?

Select	Answer
A	Modulation
B	Impedance matching
C	Low-pass filtering
D	Oscillation

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

28. - T7C09

Which of the following causes failure of coaxial cables?

Select	Answer
A	Rapid fluctuation in transmitter output power
B	Operation at 100% duty cycle for an extended period
C	Solder flux contamination
D	Moisture contamination

29. - T7D01

Which instrument would you use to measure electric potential?

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

30. - T8A01

Which of the following is a form of amplitude modulation?

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

31. - T8B09

What causes spin fading of satellite signals?

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

32. - T8C06

How is over the air access to IRLP nodes accomplished?

Select	Answer
A	By entering the proper internet password
B	By using CTCSS tone codes
C	By using DTMF signals
D	By obtaining a password that is sent via voice to the node

33. - T8D04

What type of transmission is indicated by the term "NTSC?"

Select	Answer
A	A frame compression scheme for TV signals
B	A special mode for satellite uplink
C	An analog fast-scan color TV signal
D	A Normal Transmission mode in Static Circuit

34. - T9A06

Which of the following types of antenna offers the greatest gain?

Select	Answer
A	Yagi
B	J pole
C	Isotropic
D	5/8 wave vertical

35. - T9B05

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

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

Figure T-1