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

2. - T0B03

Under what circumstances is it safe to climb a tower without a helper or observer?

Select	Answer
A	When no mechanical work is being performed
B	When no electrical work is being performed
C	Never
D	When the work being done is not more than 20 feet above the ground

3. - T0C09

How can you make sure your station stays in compliance with RF safety regulations?

Select	Answer
A	By re-evaluating the station whenever an item in the transmitter or antenna system is changed
B	All these choices are correct
C	By informing the FCC of any changes made in your station
D	By making sure your antennas have low SWR

4. - T1A06

What is the FCC Part 97 definition of a beacon?

Select	Answer
A	A continuous transmission of weather information authorized in the amateur bands by the National Weather Service
B	A government transmitter marking the amateur radio band edges
C	A bulletin sent by the FCC to announce a national emergency
D	An amateur station transmitting communications for the purposes of observing propagation or related experimental activities

5. - T1B05

How may amateurs use the 219 to 220 MHz segment of 1.25 meter band?

Select	Answer
A	Emergency traffic only
B	Fixed digital message forwarding systems only
C	Fast-scan television only
D	Spread spectrum only

6. - T1C06

From which of the following locations may an FCC-licensed amateur station transmit?

Select	Answer
A	From anywhere within International Telecommunication Union (ITU) Regions 2 and 3
B	From within any country that belongs to the International Telecommunication Union
C	From within any country that is a member of the United Nations
D	From any vessel or craft located in international waters and documented or registered in the United States

7. - T1D04

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

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

8. - T1E05

What is an amateur station’s control point?

Select	Answer
A	The mailing address of the station licensee
B	The location at which the control operator function is performed
C	The location of the station’s transmitting antenna
D	The location of the station’s transmitting apparatus

9. - T1F01

When must the station and its records be available for FCC inspection?

Select	Answer
A	At any time after written notification by the FCC of such inspection
B	At any time ten days after notification by the FCC of such an inspection
C	Only when presented with a valid warrant by an FCC official or government agent
D	At any time upon request by an FCC representative

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	446.000 MHz
D	146.520 MHz

11. - T2B08

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

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

12. - T2C10

What information is contained in the preamble of a formal traffic message?

Select	Answer
A	The telephone number of the addressee
B	Information needed to track the message
C	The email address of the originating station
D	The address of the intended recipient

13. - T3A08

What is a likely cause of irregular fading of signals propagated by the ionosphere?

Select	Answer
A	Random combining of signals arriving via different paths
B	Interference from thunderstorms
C	Intermodulation distortion
D	Frequency shift due to Faraday rotation

14. - T3B08

What frequency range is referred to as VHF?

Select	Answer
A	30 kHz to 300 kHz
B	300 MHz to 3000 MHz
C	30 MHz to 300 MHz
D	300 kHz to 3000 kHz

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

16. - T4A12

What is an electronic keyer?

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

17. - T4B04

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

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

18. - T5A09

Which of the following describes alternating current?

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

19. - T5B03

Which is equal to one kilovolt?

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

20. - T5C08

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

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

21. - T5D10

What is the voltage across a 2-ohm resistor if a current of 0.5 amperes flows through it?

Select	Answer
A	1 volt
B	1.5 volts
C	2.5 volts
D	0.25 volts

22. - T6A08

What is the function of an SPDT switch?

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

23. - T6B11

What is the term that describes a device's ability to amplify a signal?

Select	Answer
A	Forward resistance
B	Gain
C	On resistance
D	Forward voltage drop

24. - T6C02

What is component 1 in figure T-1?

Select	Answer
A	Connector
B	Battery
C	Resistor
D	Transistor

25. - T6D07

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

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

26. - T7A01

Which term describes the ability of a receiver to detect the presence of a signal?

Select	Answer
A	Sensitivity
B	Selectivity
C	Total Harmonic Distortion
D	Linearity

27. - T7B09

What should be the first step to resolve non-fiber optic cable TV interference caused by your amateur radio transmission?

Select	Answer
A	Add a low-pass filter to the TV antenna input
B	Add a preamplifier to the TV antenna input
C	Add a high-pass filter to the TV antenna input
D	Be sure all TV feed line coaxial connectors are installed properly

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. - T7D07

Which of the following measurements are made using a multimeter?

Select	Answer
A	Impedance and reactance
B	Signal strength and noise
C	All these choices are correct
D	Voltage and resistance

30. - T8A11

What is the approximate bandwidth required to transmit a CW signal?

Select	Answer
A	150 Hz
B	1000 Hz
C	2.4 kHz
D	15 kHz

31. - T8B10

What is a LEO satellite?

Select	Answer
A	A highly elliptical orbit satellite
B	A satellite in low earth orbit
C	A satellite in low energy operation mode
D	A sun synchronous satellite

32. - T8C03

What operating activity involves contacting as many stations as possible during a specified period?

Select	Answer
A	Contesting
B	Net operations
C	Simulated emergency exercises
D	Public service events

33. - T8D09

What is CW?

Select	Answer
A	A technique for coil winding
B	Another name for a Morse code transmission
C	A digital mode used primarily on 2 meter FM
D	A type of electromagnetic propagation

34. - T9A03

Which of the following describes a simple dipole oriented parallel to Earth's surface?

Select	Answer
A	A vertically polarized antenna
B	A ground-wave antenna
C	A horizontally polarized antenna
D	A travelling-wave antenna

35. - T9B08

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

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

Figure T-1