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. - T0A12

Which of the following precautions should be taken when measuring high voltages with a voltmeter?

Select	Answer
A	Ensure that the voltmeter is set to the correct frequency
B	Ensure that the voltmeter and leads are rated for use at the voltages to be measured
C	Ensure that the voltmeter has very low impedance
D	Ensure that the circuit is grounded through the voltmeter

2. - T0B07

Which of the following is an important safety rule to remember when using a crank-up tower?

Select	Answer
A	This type of tower must never be painted
B	All these choices are correct
C	This type of tower must never be grounded
D	This type of tower must not be climbed unless it is retracted, or mechanical safety locking devices have been installed

3. - T0C04

What factors affect the RF exposure of people near an amateur station antenna?

Select	Answer
A	All these choices are correct
B	Distance from the antenna to a person
C	Frequency and power level of the RF field
D	Radiation pattern of the antenna

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	Frequency Spectrum Manager appointed by the FCC
C	Volunteer Frequency Coordinator recognized by local amateurs
D	International Telecommunication Union

5. - T1B03

Which frequency is in the 6 meter amateur band?

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

6. - T1C07

Which of the following can result in revocation of the station license or suspension of the operator license?

Select	Answer
A	Failure to inform the FCC of any changes in the amateur station following performance of an RF safety environmental evaluation
B	Failure to have a copy of your license available at your station
C	Failure to obtain FCC type acceptance prior to using a home-built transmitter
D	Failure to provide and maintain a correct email address with the FCC

7. - T1D03

When is it permissible to transmit messages encoded to obscure their meaning?

Select	Answer
A	Only during contests
B	Never
C	Only when transmitting certain approved digital codes
D	Only when transmitting control commands to space stations or radio control craft

8. - T1E08

Which of the following is an example of automatic control?

Select	Answer
A	Controlling a station over the internet
B	Repeater operation
C	Using a computer or other device to identify automatically
D	Using a computer or other device to send CW automatically

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. - T2A09

Which of the following indicates that a station is listening on a repeater and looking for a contact?

Select	Answer
A	“CQ CQ” followed by the repeater’s call sign
B	“QSY” followed by your call sign
C	The repeater call sign followed by the station’s call sign
D	The station’s call sign followed by the word “monitoring”

11. - T2B06

What type of signaling uses pairs of audio tones?

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

12. - T2C04

What is RACES?

Select	Answer
A	An international radio experimentation society
B	An FCC part 97 amateur radio service for civil defense communications during national emergencies
C	A radio contest held in a short period, sometimes called a “sprint”
D	An emergency organization combining amateur radio and citizens band operators and frequencies

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

14. - T3B03

What are the two components of a radio wave?

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

15. - T3C02

What is a characteristic of HF communication compared with communications on VHF and higher frequencies?

Select	Answer
A	There is less atmospheric interference (static) on HF
B	Long-distance ionospheric propagation is far more common on HF
C	HF antennas are generally smaller
D	HF accommodates wider bandwidth signals

16. - T4A10

What function is performed with a transceiver and a digital mode hot spot?

Select	Answer
A	High-speed digital communications for meteor scatter
B	FT8 digital communications via AFSK
C	Communication using digital voice or data systems via the internet
D	RTTY encoding and decoding without a computer

17. - T4B04

What is a way to enable quick access to a favorite frequency or channel on your transceiver?

Select	Answer
A	Use the scan mode to select the desired frequency
B	Enable the VOX
C	Enable the frequency offset
D	Store it in a memory channel

18. - T5A12

What describes the number of times per second that an alternating current makes a complete cycle?

Select	Answer
A	Pulse rate
B	Speed
C	Frequency
D	Wavelength

19. - T5B08

Which is equal to 1,000,000 picofarads?

Select	Answer
A	1 microfarad
B	0.001 microfarads
C	1,000,000,000 microfarads
D	1000 microfarads

20. - T5C09

How much power is delivered by a voltage of 13.8 volts DC and a current of 10 amperes?

Select	Answer
A	138 watts
B	23.8 watts
C	3.8 watts
D	0.7 watts

21. - T5D04

What is the resistance of a circuit in which a current of 3 amperes flows when connected to 90 volts?

Select	Answer
A	30 ohms
B	270 ohms
C	3 ohms
D	93 ohms

22. - T6A03

What electrical parameter is controlled by a potentiometer?

Select	Answer
A	Resistance
B	Field strength
C	Inductance
D	Capacitance

23. - T6B02

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

Select	Answer
A	Resistor
B	Fuse
C	Diode
D	Driven element

24. - T6C07

What is component 8 in figure T-2?

Select	Answer
A	Inductor
B	Regulator IC
C	Light emitting diode
D	Resistor

25. - T6D07

Which of the following is commonly used as a visual indicator?

Select	Answer
A	LED
B	FET
C	Zener diode
D	Bipolar transistor

26. - T7A05

What is the name of a circuit that generates a signal at a specific frequency?

Select	Answer
A	Oscillator
B	Low-pass filter
C	Reactance modulator
D	Phase modulator

27. - T7B03

Which of the following can cause radio frequency interference?

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

28. - T7C11

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

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

29. - T7D02

How is a voltmeter connected to a component to measure applied voltage?

Select	Answer
A	In quadrature
B	In parallel
C	In phase
D	In series

30. - T8A08

What is the approximate bandwidth of a typical single sideband (SSB) voice signal?

Select	Answer
A	1 kHz
B	15 kHz
C	6 kHz
D	3 kHz

31. - T8B03

Which of the following are provided by satellite tracking programs?

Select	Answer
A	The apparent frequency of the satellite transmission, including effects of Doppler shift
B	Maps showing the real-time position of the satellite track over Earth
C	The time, azimuth, and elevation of the start, maximum altitude, and end of a pass
D	All these choices are correct

32. - T8C08

What is the Internet Radio Linking Project (IRLP)?

Select	Answer
A	A technique for measuring signal strength of an amateur transmitter via the internet
B	A system for informing amateurs in real time of the frequency of active DX stations
C	A technique to connect amateur radio systems, such as repeaters, via the internet using Voice Over Internet Protocol (VoIP)
D	A system for providing access to websites via amateur radio

33. - T8D05

Which of the following is an application of APRS?

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

34. - T9A06

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

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

35. - T9B09

What can cause erratic changes in SWR?

Select	Answer
A	Over-modulation
B	Overload from a strong local station
C	Local thunderstorm
D	Loose connection in the antenna or feed line

Figure T-2