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. - T0A11

What hazard exists in a power supply immediately after turning it off?

Select	Answer
A	Voltage transients from kickback diodes
B	Circulating currents in the dc filter
C	Leakage flux in the power transformer
D	Charge stored in filter capacitors

2. - T0B11

Which of the following establishes grounding requirements for an amateur radio tower or antenna?

Select	Answer
A	FCC Part 97 rules
B	FAA tower lighting regulations
C	Local electrical codes
D	UL recommended practices

3. - T0C09

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

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

4. - T1A08

Which of the following entities recommends transmit/receive channels and other parameters for auxiliary and repeater stations?

Select	Answer
A	FCC Regional Field Office
B	Volunteer Frequency Coordinator recognized by local amateurs
C	International Telecommunication Union
D	Frequency Spectrum Manager appointed by the FCC

5. - T1B03

Which frequency is in the 6 meter amateur band?

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

6. - T1C01

For which license classes are new licenses currently available from the FCC?

Select	Answer
A	Novice, Technician Plus, General, Advanced
B	Technician, Technician Plus, General, Amateur Extra
C	Technician, General, Amateur Extra
D	Novice, Technician, General, Amateur Extra

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 incidental to classroom instruction at an educational institution
B	All these choices are correct
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. - T1E05

What is an amateur station’s control point?

Select	Answer
A	The location of the station’s transmitting apparatus
B	The mailing address of the station licensee
C	The location at which the control operator function is performed
D	The location of the station’s transmitting antenna

9. - T1F05

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

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

10. - T2A07

What is meant by "repeater offset”?

Select	Answer
A	The difference between a repeater’s transmit and receive frequencies
B	The number of simultaneous transmit frequencies used by a repeater
C	The repeater station identification is done on a separate frequency
D	The repeater has a time delay to prevent interference

11. - T2B06

What type of signaling uses pairs of audio tones?

Select	Answer
A	CTCSS
B	DTMF
C	D-STAR
D	GPRS

12. - T2C09

Are amateur station control operators ever permitted to operate outside the frequency privileges of their license class?

Select	Answer
A	Yes, but only when part of a FEMA emergency plan
B	Yes, but only in situations involving the immediate safety of human life or protection of property
C	No
D	Yes, but only when part of a RACES emergency plan

13. - T3A03

What antenna polarization is normally used for long-distance CW and SSB contacts on the VHF and UHF bands?

Select	Answer
A	Left-hand circular
B	Right-hand circular
C	Horizontal
D	Vertical

14. - T3B08

What frequency range is referred to as VHF?

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

15. - T3C06

What type of propagation is responsible for allowing over-the-horizon VHF and UHF communications to ranges of approximately 300 miles on a regular basis?

Select	Answer
A	Faraday rotation
B	F2 region refraction
C	D region refraction
D	Tropospheric ducting

16. - T4A09

How can you determine the length of time that equipment can be powered from a battery?

Select	Answer
A	Divide the battery ampere-hour rating by the average current draw of the equipment
B	Multiply the square of the current rating of the battery by the input resistance of the equipment
C	Divide the watt-hour rating of the battery by the peak power consumption of the equipment
D	Multiply the watts per hour consumed by the equipment by the battery power rating

17. - T4B01

What is the effect of excessive microphone gain on SSB transmissions?

Select	Answer
A	Frequency instability
B	Increased SWR
C	All these choices are correct
D	Distorted transmitted audio

18. - T5A04

What are the units of electrical resistance?

Select	Answer
A	Siemens
B	Mhos
C	Ohms
D	Coulombs

19. - T5B09

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

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

20. - T5C06

What does the abbreviation “RF” mean?

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

21. - T5D09

What is the current through a 24-ohm resistor connected across 240 volts?

Select	Answer
A	216 amperes
B	10 amperes
C	24,000 amperes
D	0.1 amperes

22. - T6A05

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

Select	Answer
A	Oscillator
B	Capacitor
C	Potentiometer
D	Resistor

23. - T6B06

How is the cathode lead of a semiconductor diode often marked on the package?

Select	Answer
A	With a stripe
B	With the letter K
C	With the word "cathode"
D	With the letter C

24. - T6C11

What is component 4 in figure T-3?

Select	Answer
A	Ground
B	Transmitter
C	Antenna
D	Dummy load

25. - T6D11

Which of the following is a resonant or tuned circuit?

Select	Answer
A	A linear voltage regulator
B	A circuit designed to provide high-fidelity audio
C	A resistor circuit used for reducing standing wave ratio
D	An inductor and a capacitor in series or parallel

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. - T7B03

Which of the following can cause radio frequency interference?

Select	Answer
A	Harmonics
B	Fundamental overload
C	Spurious emissions
D	All these choices are correct

28. - T7C09

Which of the following causes failure of coaxial cables?

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

29. - T7D01

Which instrument would you use to measure electric potential?

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

30. - T8A12

Which of the following is a disadvantage of FM compared with single sideband?

Select	Answer
A	FM signals are harder to tune
B	Only one signal can be received at a time
C	Voice quality is poorer
D	All these choices are correct

31. - T8B05

What is a satellite beacon?

Select	Answer
A	A reflective surface on the satellite
B	A transmission from a satellite that contains status information
C	The primary transmit antenna on the satellite
D	An indicator light that shows where to point your antenna

32. - T8C01

Which of the following methods is used to locate sources of noise interference or jamming?

Select	Answer
A	Radio direction finding
B	Echolocation
C	Doppler radar
D	Phase locking

33. - T8D09

What is CW?

Select	Answer
A	A technique for coil winding
B	A type of electromagnetic propagation
C	A digital mode used primarily on 2 meter FM
D	Another name for a Morse code transmission

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

35. - T9B01

What is a benefit of low SWR?

Select	Answer
A	Less antenna wear
B	Reduced signal loss
C	All these choices are correct
D	Reduced television interference

Figure T-3