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

2. - T0B05

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

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

3. - T0C09

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

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

4. - T1A04

How many operator/primary station license grants may be held by any one person?

Select	Answer
A	One for each permanent station location from which the person plans to operate
B	No more than two
C	One
D	One for each band on which the person plans to operate

5. - T1B03

Which frequency is in the 6 meter amateur band?

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

6. - T1C06

From which of the following locations may an FCC-licensed amateur station transmit?

Select	Answer
A	From any vessel or craft located in international waters and documented or registered in the United States
B	From anywhere within International Telecommunication Union (ITU) Regions 2 and 3
C	From within any country that belongs to the International Telecommunication Union
D	From within any country that is a member of the United Nations

7. - T1D07

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

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

8. - T1E11

Who does the FCC presume to be the control operator of an amateur station, unless documentation to the contrary is in the station records?

Select	Answer
A	The third party participant
B	The person operating the station equipment
C	The station custodian
D	The station licensee

9. - T1F05

What method of call sign identification is required for a station transmitting phone signals?

Select	Answer
A	Send the call sign using a CW or phone emission
B	Send the call sign followed by the indicator R
C	Send the call sign using only a phone emission
D	Send the call sign followed by the indicator RPT

10. - T2A02

What is the national calling frequency for FM simplex operations in the 2 meter band?

Select	Answer
A	446.000 MHz
B	146.520 MHz
C	145.000 MHz
D	432.100 MHz

11. - T2B10

Which Q signal indicates that you are receiving interference from other stations?

Select	Answer
A	QRM
B	QSB
C	QTH
D	QRN

12. - T2C02

Which of the following are typical duties of a Net Control Station?

Select	Answer
A	Choose the regular net meeting time and frequency
B	Ensure that all stations checking into the net are properly licensed for operation on the net frequency
C	All these choices are correct
D	Call the net to order and direct communications between stations checking in

13. - T3A09

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

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

14. - T3B08

What frequency range is referred to as VHF?

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

15. - T3C04

Which of the following types of propagation is most commonly associated with occasional strong signals on the 10, 6, and 2 meter bands from beyond the radio horizon?

Select	Answer
A	Sporadic E
B	D region absorption
C	Gray-line propagation
D	Backscatter

16. - T4A03

Why are short, heavy-gauge wires used for a transceiver’s DC power connection?

Select	Answer
A	All these choices are correct
B	To avoid RF interference
C	To provide a good counterpoise for the antenna
D	To minimize voltage drop when transmitting

17. - T4B08

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

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

18. - T5A11

What type of current flow is opposed by resistance?

Select	Answer
A	Alternating current
B	All these choices are correct
C	RF current
D	Direct current

19. - T5B09

Which decibel value most closely represents a power increase from 5 watts to 10 watts?

Select	Answer
A	5 dB
B	2 dB
C	3 dB
D	10 dB

20. - T5C06

What does the abbreviation “RF” mean?

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

21. - T5D05

What is the resistance of a circuit for which the applied voltage is 12 volts and the current flow is 1.5 amperes?

Select	Answer
A	0.125 ohms
B	18 ohms
C	13.5 ohms
D	8 ohms

22. - T6A11

Which of the following battery chemistries is not rechargeable?

Select	Answer
A	Carbon-zinc
B	Nickel-cadmium
C	Lithium-ion
D	Lead-acid

23. - T6B10

Which of the following can provide power gain?

Select	Answer
A	Resistor
B	Transformer
C	Reactor
D	Transistor

24. - T6C09

What is component 4 in figure T-2?

Select	Answer
A	Transformer
B	Double-pole switch
C	Variable inductor
D	Potentiometer

25. - T6D02

What is a relay?

Select	Answer
A	An electrically-controlled switch
B	An inverting amplifier
C	A current controlled amplifier
D	A pass transistor

26. - T7A04

Which term describes the ability of a receiver to discriminate between multiple signals?

Select	Answer
A	Selectivity
B	Sensitivity
C	Discrimination ratio
D	Harmonic distortion

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	Your batteries are running low
C	Your transmitter is slightly off frequency
D	You are in a bad location

28. - T7C09

Which of the following causes failure of coaxial cables?

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

29. - T7D07

Which of the following measurements are made using a multimeter?

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

30. - T8A01

Which of the following is a form of amplitude modulation?

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

31. - T8B06

Which of the following are inputs to a satellite tracking program?

Select	Answer
A	All these choices are correct
B	The satellite transmitted power
C	The Keplerian elements
D	The last observed time of zero Doppler shift

32. - T8C05

What is a grid locator?

Select	Answer
A	An instrument for radio direction finding
B	A letter-number designator assigned to an azimuth and elevation
C	An instrument for neutralizing a final amplifier
D	A letter-number designator assigned to a geographic location

33. - T8D12

Which of the following best describes an amateur radio mesh network?

Select	Answer
A	An internet linking protocol used to network repeaters
B	A satellite communications network using modified commercial satellite TV hardware
C	A wide-bandwidth digital voice mode employing DMR protocols
D	An amateur-radio based data network using commercial Wi-Fi equipment with modified firmware

34. - T9A03

Which of the following describes a simple dipole oriented parallel to Earth's surface?

Select	Answer
A	A ground-wave antenna
B	A travelling-wave antenna
C	A vertically polarized antenna
D	A horizontally polarized antenna

35. - T9B03

Why is coaxial cable the most common feed line for amateur radio antenna systems?

Select	Answer
A	It can handle more power than any other type of feed line
B	It is less expensive than any other type of feed line
C	It has less loss than any other type of feed line
D	It is easy to use and requires few special installation considerations

Figure T-2