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

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

3. - T0C10

Why is duty cycle one of the factors used to determine safe RF radiation exposure levels?

Select	Answer
A	It takes into account the antenna feed line loss
B	It takes into account the thermal effects of the final amplifier
C	It affects the average exposure to radiation
D	It affects the peak exposure to radiation

4. - T1A09

Who selects a Frequency Coordinator?

Select	Answer
A	Amateur operators in a local or regional area whose stations are eligible to be repeater or auxiliary stations
B	The local chapter of the Office of National Council of Independent Frequency Coordinators
C	The FCC Office of Spectrum Management and Coordination Policy
D	FCC Regional Field Office

5. - T1B09

Why should you not set your transmit frequency to be exactly at the edge of an amateur band or sub-band?

Select	Answer
A	To allow for calibration error in the transmitter frequency display
B	To allow for transmitter frequency drift
C	So that modulation sidebands do not extend beyond the band edge
D	All these choices are correct

6. - T1C11

If your license has expired and is still within the allowable grace period, may you continue to transmit on the amateur radio bands?

Select	Answer
A	Yes, for up to two years
B	Yes, as soon as you apply for renewal
C	No, you must wait until the license has been renewed
D	Yes, for up to one year

7. - T1D09

When may amateur stations transmit information in support of broadcasting, program production, or news gathering, assuming no other means is available?

Select	Answer
A	When such communications are directly related to the immediate safety of human life or protection of property
B	When broadcasting communications to or from the space shuttle
C	Never
D	Where noncommercial programming is gathered and supplied exclusively to the National Public Radio network

8. - T1E11

Who does the FCC presume to be the control operator of an amateur station, unless documentation to the contrary is in the station records?

Select	Answer
A	The third party participant
B	The station custodian
C	The station licensee
D	The person operating the station equipment

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

10. - T2A10

What is a band plan, beyond the privileges established by the FCC?

Select	Answer
A	A list of available net frequencies
B	A plan devised by a club to indicate frequency band usage
C	A list of operating schedules
D	A voluntary guideline for using different modes or activities within an amateur band

11. - T2B05

What would cause your FM transmission audio to be distorted on voice peaks?

Select	Answer
A	You are talking too loudly
B	Your transmit power is too high
C	You need to talk louder
D	Your repeater offset is inverted

12. - T2C02

Which of the following are typical duties of a Net Control Station?

Select	Answer
A	Choose the regular net meeting time and frequency
B	Call the net to order and direct communications between stations checking in
C	All these choices are correct
D	Ensure that all stations checking into the net are properly licensed for operation on the net frequency

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

14. - T3B06

What is the formula for converting frequency to approximate wavelength in meters?

Select	Answer
A	Wavelength in meters equals frequency in megahertz divided by 300
B	Wavelength in meters equals frequency in hertz multiplied by 300
C	Wavelength in meters equals 300 divided by frequency in megahertz
D	Wavelength in meters equals frequency in hertz divided by 300

15. - T3C07

What band is best suited for communicating via meteor scatter?

Select	Answer
A	33 centimeters
B	6 meters
C	2 meters
D	70 centimeters

16. - T4A11

Where should the negative power return of a mobile transceiver be connected in a vehicle?

Select	Answer
A	At the 12 volt battery chassis ground
B	At the antenna mount
C	To any metal part of the vehicle
D	Through the transceiver’s mounting bracket

17. - T4B09

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

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

18. - T5A06

What is the unit of frequency?

Select	Answer
A	Hertz
B	Farad
C	Henry
D	Tesla

19. - T5B04

Which is equal to one microvolt?

Select	Answer
A	One million volts
B	One thousand kilovolts
C	One one-thousandth of a volt
D	One one-millionth of a volt

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. - T5D04

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

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

22. - T6A09

What electrical component is used to protect other circuit components from current overloads?

Select	Answer
A	Varactor
B	Thyratron
C	Fuse
D	All these choices are correct

23. - T6B06

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

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

24. - T6C10

What is component 3 in figure T-3?

Select	Answer
A	Variable inductor
B	Meter
C	Connector
D	Variable capacitor

25. - T6D06

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

Select	Answer
A	Variable capacitor
B	Diode
C	Transistor
D	Transformer

26. - T7A08

Which of the following describes combining speech with an RF carrier signal?

Select	Answer
A	Impedance matching
B	Oscillation
C	Low-pass filtering
D	Modulation

27. - T7B04

Which of the following could you use to cure distorted audio caused by RF current on the shield of a microphone cable?

Select	Answer
A	Band-pass filter
B	Ferrite choke
C	Low-pass filter
D	Preamplifier

28. - T7C01

What is the primary purpose of a dummy load?

Select	Answer
A	To prevent over-modulation of a transmitter
B	To improve the efficiency of an antenna
C	To prevent transmitting signals over the air when making tests
D	To improve the signal-to-noise ratio of a receiver

29. - T7D02

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

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

30. - T8A01

Which of the following is a form of amplitude modulation?

Select	Answer
A	Packet radio
B	Single sideband
C	Phase shift keying (PSK)
D	Spread spectrum

31. - T8B02

What is the impact of using excessive effective radiated power on a satellite uplink?

Select	Answer
A	Possibility of rebooting the satellite control computer
B	Blocking access by other users
C	Overloading the satellite batteries
D	Possibility of commanding the satellite to an improper mode

32. - T8C02

Which of these items would be useful for a hidden transmitter hunt?

Select	Answer
A	All these choices are correct
B	A directional antenna
C	Calibrated SWR meter
D	A calibrated noise bridge

33. - T8D06

What does the abbreviation "PSK" mean?

Select	Answer
A	Phase Shift Keying
B	Phased Slide Keying
C	Pulse Shift Keying
D	Packet Short Keying

34. - T9A10

In which direction does a half-wave dipole antenna radiate the strongest signal?

Select	Answer
A	Broadside to the antenna
B	Equally in all directions
C	In the direction of the feed line
D	Off the ends of the antenna

35. - T9B11

Which of the following types of feed line has the lowest loss at VHF and UHF?

Select	Answer
A	50-ohm flexible coax
B	Air-insulated hardline
C	Multi-conductor unbalanced cable
D	75-ohm flexible coax

Figure T-3