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

2. - T0B02

What is required when climbing an antenna tower?

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

3. - T0C07

What hazard is created by touching an antenna during a transmission?

Select	Answer
A	Electrocution
B	Radiation poisoning
C	RF burn to skin
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	Frequency Spectrum Manager appointed by the FCC
B	FCC Regional Field Office
C	International Telecommunication Union
D	Volunteer Frequency Coordinator recognized by local amateurs

5. - T1B03

Which frequency is in the 6 meter amateur band?

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

6. - T1C02

Who may select a desired call sign under the vanity call sign rules?

Select	Answer
A	Only a licensed amateur with a General or Amateur Extra Class license
B	Only a licensed amateur who has been licensed continuously for more than 10 years
C	Only a licensed amateur with an Amateur Extra Class license
D	Any licensed amateur

7. - T1D06

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

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

8. - T1E09

Which of the following are required for remote control operation?

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

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 RPT
C	Send the call sign followed by the indicator R
D	Send the call sign using only a phone emission

10. - T2A02

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

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

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	DTMF
C	Tone burst
D	CTCSS

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

13. - T3A09

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

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

14. - T3B03

What are the two components of a radio wave?

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

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	D region refraction
C	F2 region refraction
D	Tropospheric ducting

16. - T4A12

What is an electronic keyer?

Select	Answer
A	An interlock to prevent unauthorized use of a radio
B	A device for switching antennas from transmit to receive
C	A device that assists in manual sending of Morse code
D	A device for voice activated switching from receive to transmit

17. - T4B04

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

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

18. - T5A11

What type of current flow is opposed by resistance?

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

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. - T5C13

What is the abbreviation for kilohertz?

Select	Answer
A	khz
B	khZ
C	kHz
D	KHZ

21. - T5D08

What is the current through a 100-ohm resistor connected across 200 volts?

Select	Answer
A	2 amperes
B	20,000 amperes
C	100 amperes
D	0.5 amperes

22. - T6A05

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

Select	Answer
A	Oscillator
B	Potentiometer
C	Resistor
D	Capacitor

23. - T6B09

What are the names for the electrodes of a diode?

Select	Answer
A	Plus and minus
B	Source and drain
C	Gate and base
D	Anode and cathode

24. - T6C12

Which of the following is accurately represented in electrical schematics?

Select	Answer
A	Physical appearance of components
B	All these choices are correct
C	Wire lengths
D	Component connections

25. - T6D02

What is a relay?

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

26. - T7A10

What device increases the transmitted output power from a transceiver?

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

27. - T7B11

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

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

28. - T7C07

What happens to power lost in a feed line?

Select	Answer
A	It distorts the signal
B	It is radiated as harmonics
C	It is converted into heat
D	It increases the SWR

29. - T7D08

Which of the following types of solder should not be used for radio and electronic applications?

Select	Answer
A	Tin-copper solder
B	Acid-core solder
C	Rosin-core solder
D	Lead-tin solder

30. - T8A06

Which sideband is normally used for 10 meter HF, VHF, and UHF single-sideband communications?

Select	Answer
A	Upper sideband
B	Suppressed sideband
C	Lower sideband
D	Inverted sideband

31. - T8B04

What mode of transmission is commonly used by amateur radio satellites?

Select	Answer
A	All these choices are correct
B	FM
C	CW/data
D	SSB

32. - T8C05

What is a grid locator?

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

33. - T8D13

What is FT8?

Select	Answer
A	A wideband FM voice mode
B	An eight channel multiplex mode for FM repeaters
C	A digital slow-scan TV mode with forward error correction and automatic color compensation
D	A digital mode capable of low signal-to-noise operation

34. - T9A09

What is the approximate length, in inches, of a half-wavelength 6 meter dipole antenna?

Select	Answer
A	6
B	112
C	50
D	236

35. - T9B12

What is standing wave ratio (SWR)?

Select	Answer
A	An indication of the quality of your station’s ground connection
B	A measure of how well a load is matched to a transmission line
C	The transmitter efficiency ratio
D	The ratio of amplifier power output to input