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

2. - T0B02

What is required when climbing an antenna tower?

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

3. - T0C03

How does the allowable power density for RF safety change if duty cycle changes from 100 percent to 50 percent?

Select	Answer
A	It increases by a factor of 3
B	It decreases by 50 percent
C	There is no adjustment allowed for lower duty cycle
D	It increases by a factor of 2

4. - T1A03

What do the FCC rules state regarding the use of a phonetic alphabet for station identification in the Amateur Radio Service?

Select	Answer
A	It is encouraged
B	It is required when transmitting emergency messages
C	All these choices are correct
D	It is required when in contact with foreign stations

5. - T1B08

How are US amateurs restricted in segments of bands where the Amateur Radio Service is secondary?

Select	Answer
A	International communications are not permitted in those segments
B	U.S. amateurs must give foreign amateur stations priority in those segments
C	Digital transmissions are not permitted in those segments
D	U.S. amateurs may find non-amateur stations in those segments, and must avoid interfering with them

6. - T1C08

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

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

7. - T1D04

Under what conditions is an amateur station authorized to transmit music using a phone emission?

Select	Answer
A	When transmissions are limited to less than three minutes per hour
B	When incidental to an authorized retransmission of manned spacecraft communications
C	When the music is transmitted above 1280 MHz
D	When the music produces no spurious emissions

8. - T1E04

What determines the transmitting frequency privileges of an amateur station?

Select	Answer
A	The frequencies printed on the license grant
B	The highest class of operator license held by anyone on the premises
C	The frequency authorized by the frequency coordinator
D	The class of operator license held by the control operator

9. - T1F06

Which of the following self-assigned indicators are acceptable when using a phone transmission?

Select	Answer
A	KL7CC slant W3
B	All these choices are correct
C	KL7CC slash W3
D	KL7CC stroke W3

10. - T2A05

How should you respond to a station calling CQ?

Select	Answer
A	Transmit the other station’s call sign followed by your call sign
B	Transmit "CQ" followed by the other station’s call sign
C	Transmit your call sign followed by the other station’s call sign
D	Transmit a signal report followed by your call sign

11. - T2B08

Which of the following applies when two stations transmitting on the same frequency interfere with each other?

Select	Answer
A	Interference is inevitable, so no action is required
B	Use subaudible tones so both stations can share the frequency
C	The stations should negotiate continued use of the frequency
D	Both stations should choose another frequency to avoid conflict

12. - T2C01

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

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

13. - T3A05

When using a directional antenna, how might your station be able to communicate with a distant repeater if buildings or obstructions are blocking the direct line of sight path?

Select	Answer
A	Increase the antenna SWR
B	Try the long path
C	Change from vertical to horizontal polarization
D	Try to find a path that reflects signals to the repeater

14. - T3B02

What property of a radio wave defines its polarization?

Select	Answer
A	The orientation of the electric field
B	The ratio of the velocity to the wavelength
C	The ratio of the energy in the magnetic field to the energy in the electric field
D	The orientation of the magnetic field

15. - T3C01

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

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

16. - T4A06

What signals are used in a computer-radio interface for digital mode operation?

Select	Answer
A	Antenna and RF power
B	Receive and transmit mode, status, and location
C	NMEA GPS location and DC power
D	Receive audio, transmit audio, and transmitter keying

17. - T4B09

How is a specific group of stations selected on a digital voice transceiver?

Select	Answer
A	By retrieving the frequencies from transceiver memory
B	By activating automatic identification
C	By entering the group’s identification code
D	By enabling the group’s CTCSS tone

18. - T5A09

Which of the following describes alternating current?

Select	Answer
A	Current that alternates between a positive direction and zero
B	Current that alternates between positive and negative directions
C	All these answers are correct
D	Current that alternates between a negative direction and zero

19. - T5B12

Which is equal to 28400 kHz?

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

20. - T5C08

What is the formula used to calculate electrical power (P) in a DC circuit?

Select	Answer
A	P = I + E
B	P = E / I
C	P = E – I
D	P = I  E

21. - T5D07

What is the current in a circuit with an applied voltage of 120 volts and a resistance of 80 ohms?

Select	Answer
A	0.667 amperes
B	1.5 amperes
C	9600 amperes
D	200 amperes

22. - T6A08

What is the function of an SPDT switch?

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

23. - T6B01

Which is true about forward voltage drop in a diode?

Select	Answer
A	It is proportional to peak inverse voltage
B	It is lower in some diode types than in others
C	It has no impact on the voltage delivered to the load
D	It indicates that the diode is defective

24. - T6C06

What is component 6 in figure T-2?

Select	Answer
A	Capacitor
B	Resistor
C	Transistor
D	Regulator IC

25. - T6D06

What component changes 120 V AC power to a lower AC voltage for other uses?

Select	Answer
A	Transformer
B	Diode
C	Variable capacitor
D	Transistor

26. - T7A10

What device increases the transmitted output power from a transceiver?

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

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

28. - T7C11

What is a disadvantage of air core coaxial cable when compared to foam or solid dielectric types?

Select	Answer
A	It has more loss per foot
B	It cannot be used for VHF or UHF antennas
C	It requires special techniques to prevent moisture in the cable
D	It cannot be used at below freezing temperatures

29. - T7D01

Which instrument would you use to measure electric potential?

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

30. - T8A04

Which type of modulation is commonly used for VHF and UHF voice repeaters?

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

31. - T8B12

Which of the following is a way to determine whether your satellite uplink power is neither too low nor too high?

Select	Answer
A	All these choices are correct
B	Your signal strength on the downlink should be about the same as the beacon
C	Check your signal strength report in the telemetry data
D	Listen for distortion on your downlink signal

32. - T8C04

Which of the following is good procedure when contacting another station in a contest?

Select	Answer
A	Sign only the last two letters of your call if there are many other stations calling
B	All these choices are correct
C	Contact the station twice to be sure that you are in his log
D	Send only the minimum information needed for proper identification and the contest exchange

33. - T8D05

Which of the following is an application of APRS?

Select	Answer
A	Providing information on the number of stations signed into a repeater
B	Providing real-time tactical digital communications in conjunction with a map showing the locations of stations
C	Showing automatically the number of packets transmitted via PACTOR during a specific time interval
D	Providing voice over internet connection between repeaters

34. - T9A08

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

Select	Answer
A	19
B	50
C	12
D	112

35. - T9B08

Which of the following is a source of loss in coaxial feed line?

Select	Answer
A	All these choices are correct
B	Multiple connectors in the line
C	High SWR
D	Water intrusion into coaxial connectors

Figure T-2