US Amateur Radio - Technician (Element 2, 2022-2026) Practice Test

Anonymous User

US Amateur Radio - Technician (Element 2, 2022-2026) Practice Test

Logging in (or registering) will help the system to select questions that you need to focus on.

1. - T0A03

In the United States, what circuit does black wire insulation indicate in a three-wire 120 V cable?

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

2. - T0B08

Which is a proper grounding method for a tower?

Select	Answer
A	A ferrite-core RF choke connected between the tower and ground
B	A single four-foot ground rod, driven into the ground no more than 12 inches from the base
C	A connection between the tower base and a cold water pipe
D	Separate eight-foot ground rods for each tower leg, bonded to the tower and each other

3. - T0C05

Why do exposure limits vary with frequency?

Select	Answer
A	Higher frequency RF fields are transient in nature
B	Lower frequency RF fields do not penetrate the human body
C	Lower frequency RF fields have more energy than higher frequency fields
D	The human body absorbs more RF energy at some frequencies than at others

4. - T1A07

What is the FCC Part 97 definition of a space station?

Select	Answer
A	An amateur station located more than 50 km above Earth's surface
B	A manned satellite orbiting Earth
C	An amateur station using amateur radio satellites for relay of signals
D	Any satellite orbiting Earth

5. - T1B10

Where may SSB phone be used in amateur bands above 50 MHz?

Select	Answer
A	In at least some segment of all these bands
B	Only in sub-bands allocated to General class or higher licensees
C	Only on repeaters
D	On any band if the power is limited to 25 watts

6. - T1C02

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

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

7. - T1D04

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

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

8. - T1E04

What determines the transmitting frequency privileges of an amateur station?

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

9. - T1F08

What is the definition of third party communications?

Select	Answer
A	Operation when the transmitting equipment is licensed to a person other than the control operator
B	Amateur radio communications where three stations are in communications with one another
C	A message from a control operator to another amateur station control operator on behalf of another person
D	Temporary authorization for an unlicensed person to transmit on the amateur bands for technical experiments

10. - T2A02

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

Select	Answer
A	432.100 MHz
B	145.000 MHz
C	146.520 MHz
D	446.000 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	Tone burst
B	Carrier squelch
C	CTCSS
D	DTMF

12. - T2C01

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

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

13. - T3A04

What happens when antennas at opposite ends of a VHF or UHF line of sight radio link are not using the same polarization?

Select	Answer
A	Signals have an echo effect
B	Received signal strength is reduced
C	The modulation sidebands might become inverted
D	Nothing significant will happen

14. - T3B11

What is the approximate velocity of a radio wave in free space?

Select	Answer
A	150,000 miles per hour
B	300,000,000 miles per hour
C	300,000,000 meters per second
D	150,000 meters per second

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	Tropospheric ducting
B	F2 region refraction
C	D region refraction
D	Faraday rotation

16. - T4A10

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

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

17. - T4B07

What does a DMR “code plug” contain?

Select	Answer
A	Access information for repeaters and talkgroups
B	The DMR software version
C	The codec for digitizing audio
D	Your call sign in CW for automatic identification

18. - T5A10

Which term describes the rate at which electrical energy is used?

Select	Answer
A	Current
B	Resistance
C	Power
D	Voltage

19. - T5B07

Which is equal to 3.525 MHz?

Select	Answer
A	35.25 kHz
B	3,525,000 kHz
C	3525 kHz
D	0.003525 kHz

20. - T5C12

What is impedance?

Select	Answer
A	The opposition to AC current flow
B	The power handling capability of a component
C	The Q or Quality Factor of a component
D	The inverse of resistance

21. - T5D02

What formula is used to calculate voltage in a circuit?

Select	Answer
A	E = I - R
B	E = I + R
C	E = I x R
D	E = I / R

22. - T6A02

What type of component is often used as an adjustable volume control?

Select	Answer
A	Transformer
B	Power resistor
C	Potentiometer
D	Fixed resistor

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. - T6C04

What is component 3 in figure T-1?

Select	Answer
A	Resistor
B	Transistor
C	Ground symbol
D	Lamp

25. - T6D03

Which of the following is a reason to use shielded wire?

Select	Answer
A	To increase the current carrying capability of the wire
B	To prevent coupling of unwanted signals to or from the wire
C	To decrease the resistance of DC power connections
D	To couple the wire to other signals

26. - T7A05

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

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

27. - T7B06

Which of the following actions should you take if a neighbor tells you that your station’s transmissions are interfering with their radio or TV reception?

Select	Answer
A	All these choices are correct
B	Install a harmonic doubler on the output of your transmitter and tune it until the interference is eliminated
C	Make sure that your station is functioning properly and that it does not cause interference to your own radio or television when it is tuned to the same channel
D	Immediately turn off your transmitter and contact the nearest FCC office for assistance

28. - T7C08

Which instrument can be used to determine SWR?

Select	Answer
A	Directional wattmeter
B	Iambic pentameter
C	Voltmeter
D	Ohmmeter

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	Impedance and reactance
D	Voltage and resistance

30. - T8A12

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

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

31. - T8B06

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

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

32. - T8C07

What is Voice Over Internet Protocol (VoIP)?

Select	Answer
A	A method of delivering voice communications over the internet using digital techniques
B	A set of rules specifying how to identify your station when linked over the internet to another station
C	A technique for measuring the modulation quality of a transmitter using remote sites monitored via the internet
D	A technique employed to “spot” DX stations via the internet

33. - T8D10

Which of the following operating activities is supported by digital mode software in the WSJT-X software suite?

Select	Answer
A	Meteor scatter
B	Earth-Moon-Earth
C	Weak signal propagation beacons
D	All these choices are correct

34. - T9A06

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

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

35. - T9B06

Which of the following RF connector types is most suitable for frequencies above 400 MHz?

Select	Answer
A	UHF (PL-259/SO-239)
B	Type N
C	RS-213
D	DB-25

Figure T-1