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. - T0A03

In the United States, what circuit does black wire insulation indicate in a three-wire 120 V cable?

Select	Answer
A	Black insulation is never used
B	Equipment ground
C	Hot
D	Neutral

2. - T0B05

What is the purpose of a safety wire through a turnbuckle used to tension guy lines?

Select	Answer
A	Prevent loosening of the turnbuckle from vibration
B	Provide a ground path for lightning strikes
C	Secure the guy line if the turnbuckle breaks
D	Provide an ability to measure for proper tensioning

3. - T0C11

What is the definition of duty cycle during the averaging time for RF exposure?

Select	Answer
A	The percentage of time that a transmitter is transmitting
B	The difference between the PEP and average power output of a transmitter
C	The difference between the lowest power output and the highest power output of a transmitter
D	The percentage of time that a transmitter is not transmitting

4. - T1A01

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

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

5. - T1B07

Which of the following VHF/UHF band segments are limited to CW only?

Select	Answer
A	219 MHz to 220 MHz and 420.0 MHz to 420.1 MHz
B	All these choices are correct
C	50.0 MHz to 50.1 MHz and 144.0 MHz to 144.1 MHz
D	902.0 MHz to 902.1 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, as soon as you apply for renewal
C	Yes, for up to two years
D	No, you must wait until the license has been renewed

7. - T1D06

What, if any, are the restrictions concerning transmission of language that may be considered indecent or obscene?

Select	Answer
A	There is no such prohibition
B	The FCC maintains a list of words that are not permitted to be used on amateur frequencies
C	The ITU maintains a list of words that are not permitted to be used on amateur frequencies
D	Any such language is prohibited

8. - T1E09

Which of the following are required for remote control operation?

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

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

10. - T2A06

Which of the following is required when making on-the-air test transmissions?

Select	Answer
A	All these choices are correct
B	Notify the FCC of the transmissions
C	Identify the transmitting station
D	Conduct tests only between 10 p.m. and 6 a.m. local time

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	CTCSS
C	Tone burst
D	DTMF

12. - T2C05

What does the term “traffic” refer to in net operation?

Select	Answer
A	Requests to activate the net by a served agency
B	The number of stations checking in and out of a net
C	Operation by mobile or portable stations
D	Messages exchanged by net stations

13. - T3A11

Which region of the atmosphere can refract or bend HF and VHF radio waves?

Select	Answer
A	The mesosphere
B	The ionosphere
C	The stratosphere
D	The troposphere

14. - T3B08

What frequency range is referred to as VHF?

Select	Answer
A	30 kHz to 300 kHz
B	300 kHz to 3000 kHz
C	300 MHz to 3000 MHz
D	30 MHz 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	Quantum tunneling
C	Faraday rotation
D	Knife-edge diffraction

16. - T4A05

Where should an RF power meter be installed?

Select	Answer
A	At the power supply output
B	In the power supply cable, as close as possible to the radio
C	In parallel with the push-to-talk line and the antenna
D	In the feed line, between the transmitter and antenna

17. - T4B11

Which of the following must be programmed into a D-STAR digital transceiver before transmitting?

Select	Answer
A	Your call sign
B	The codec type being used
C	Your output power
D	All these choices are correct

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. - T5B12

Which is equal to 28400 kHz?

Select	Answer
A	284.00 MHz
B	28.400 MHz
C	28.400 kHz
D	2.800 MHz

20. - T5C10

How much power is delivered by a voltage of 12 volts DC and a current of 2.5 amperes?

Select	Answer
A	0.208 watts
B	30 watts
C	14.5 watts
D	4.8 watts

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. - T6A08

What is the function of an SPDT switch?

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

23. - T6B02

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

Select	Answer
A	Driven element
B	Diode
C	Resistor
D	Fuse

24. - T6C10

What is component 3 in figure T-3?

Select	Answer
A	Variable capacitor
B	Variable inductor
C	Meter
D	Connector

25. - T6D10

What is the function of component 2 in figure T-1?

Select	Answer
A	Supply electrical energy
B	Convert electrical energy into radio waves
C	Control the flow of current
D	Give off light when current flows through it

26. - T7A06

What device converts the RF input and output of a transceiver to another band?

Select	Answer
A	Phase converter
B	High-pass filter
C	Transverter
D	Low-pass filter

27. - T7B11

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

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

28. - T7C01

What is the primary purpose of a dummy load?

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

29. - T7D07

Which of the following measurements are made using a multimeter?

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

30. - T8A02

What type of modulation is commonly used for VHF packet radio transmissions?

Select	Answer
A	FM or PM
B	AM
C	SSB
D	PSK

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	Blocking access by other users
C	Possibility of commanding the satellite to an improper mode
D	Overloading the satellite batteries

32. - T8C09

Which of the following protocols enables an amateur station to transmit through a repeater without using a radio to initiate the transmission?

Select	Answer
A	IRLP
B	DMR
C	EchoLink
D	D-STAR

33. - T8D06

What does the abbreviation "PSK" mean?

Select	Answer
A	Phased Slide Keying
B	Pulse Shift Keying
C	Phase Shift Keying
D	Packet Short Keying

34. - T9A08

What is the approximate length, in inches, of a quarter-wavelength vertical antenna for 146 MHz?

Select	Answer
A	50
B	112
C	12
D	19

35. - T9B07

Which of the following is true of PL-259 type coax connectors?

Select	Answer
A	They are watertight
B	They are commonly used at HF and VHF frequencies
C	They are preferred for microwave operation
D	They are a bayonet-type connector

Figure T-3

Figure T-1