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. - 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 voltmeter is set to the correct frequency
D	Ensure that the circuit is grounded through the voltmeter

2. - T0B08

Which is a proper grounding method for a tower?

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

3. - T0C12

How does RF radiation differ from ionizing radiation (radioactivity)?

Select	Answer
A	RF radiation does not have sufficient energy to cause chemical changes in cells and damage DNA
B	RF radiation is limited in range to a few feet
C	RF radiation can only be detected with an RF dosimeter
D	RF radiation is perfectly safe

4. - T1A01

Which of the following is part of the Basis and Purpose of the Amateur Radio Service?

Select	Answer
A	Providing communications for international non-profit organizations
B	Providing personal radio communications for as many citizens as possible
C	All these choices are correct
D	Advancing skills in the technical and communication phases of the radio art

5. - T1B03

Which frequency is in the 6 meter amateur band?

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

6. - T1C05

Which of the following is a valid Technician class call sign format?

Select	Answer
A	KF1XXX
B	W1XX
C	KA1X
D	All these choices are correct

7. - T1D01

With which countries are FCC-licensed amateur radio stations prohibited from exchanging communications?

Select	Answer
A	Any country whose administration has notified the International Telecommunication Union (ITU) that it objects to such communications
B	Any country whose administration has notified the American Radio Relay League (ARRL) that it objects to such communications
C	Any country banned from such communications by the International Amateur Radio Union (IARU)
D	Any country banned from making such communications by the American Radio Relay League (ARRL)

8. - T1E03

Who must designate the station control operator?

Select	Answer
A	The station licensee
B	The FCC
C	The frequency coordinator
D	Any licensed operator

9. - T1F08

What is the definition of third party communications?

Select	Answer
A	A message from a control operator to another amateur station control operator on behalf of another person
B	Operation when the transmitting equipment is licensed to a person other than the control operator
C	Amateur radio communications where three stations are in communications with one another
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	146.520 MHz
B	432.100 MHz
C	446.000 MHz
D	145.000 MHz

11. - T2B12

What is the purpose of the color code used on DMR repeater systems?

Select	Answer
A	Defines the frequency pair to use
B	Identifies the codec used
C	Defines the minimum signal level required for access
D	Must match the repeater color code for access

12. - T2C07

Which of the following is standard practice when you participate in a net?

Select	Answer
A	Record the time of each of your transmissions
B	Unless you are reporting an emergency, transmit only when directed by the net control station
C	All these choices are correct
D	When first responding to the net control station, transmit your call sign, name, and address as in the FCC database

13. - T3A11

Which region of the atmosphere can refract or bend HF and VHF radio waves?

Select	Answer
A	The stratosphere
B	The mesosphere
C	The ionosphere
D	The troposphere

14. - T3B08

What frequency range is referred to as VHF?

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

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	HF antennas are generally smaller
C	Long-distance ionospheric propagation is far more common on HF
D	HF accommodates wider bandwidth signals

16. - T4A12

What is an electronic keyer?

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

17. - T4B12

What is the result of tuning an FM receiver above or below a signal’s frequency?

Select	Answer
A	Change in audio pitch
B	Sideband inversion
C	Distortion of the signal’s audio
D	Generation of a heterodyne tone

18. - T5A12

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

Select	Answer
A	Pulse rate
B	Wavelength
C	Speed
D	Frequency

19. - T5B07

Which is equal to 3.525 MHz?

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

20. - T5C06

What does the abbreviation “RF” mean?

Select	Answer
A	The resonant frequency of a tuned circuit
B	Radio frequency signals of all types
C	Reflective force in antenna transmission lines
D	The real frequency transmitted as opposed to the apparent frequency

21. - T5D02

What formula is used to calculate voltage in a circuit?

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

22. - T6A03

What electrical parameter is controlled by a potentiometer?

Select	Answer
A	Field strength
B	Capacitance
C	Inductance
D	Resistance

23. - T6B05

What type of transistor has a gate, drain, and source?

Select	Answer
A	Varistor
B	Field-effect
C	Tesla-effect
D	Bipolar junction

24. - T6C09

What is component 4 in figure T-2?

Select	Answer
A	Variable inductor
B	Transformer
C	Double-pole switch
D	Potentiometer

25. - T6D11

Which of the following is a resonant or tuned circuit?

Select	Answer
A	A circuit designed to provide high-fidelity audio
B	An inductor and a capacitor in series or parallel
C	A linear voltage regulator
D	A resistor circuit used for reducing standing wave ratio

26. - T7A11

Where is an RF preamplifier installed?

Select	Answer
A	Between the antenna and receiver
B	At the output of the transmitter power amplifier
C	At the output of the receiver audio amplifier
D	Between the transmitter and the antenna tuner

27. - T7B02

What would cause a broadcast AM or FM radio to receive an amateur radio transmission unintentionally?

Select	Answer
A	The receiver is unable to reject strong signals outside the AM or FM band
B	The deviation of an FM transmitter is set too low
C	The audio amplifier of the transmitter is overloaded
D	The microphone gain of the transmitter is turned up too high

28. - T7C11

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

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

29. - T7D03

When configured to measure current, how is a multimeter connected to a component?

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

30. - T8A12

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

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

31. - T8B09

What causes spin fading of satellite signals?

Select	Answer
A	Circular polarized noise interference radiated from the sun
B	Doppler shift of the received signal
C	Rotation of the satellite and its antennas
D	Interfering signals within the satellite uplink band

32. - T8C09

Which of the following protocols enables an amateur station to transmit through a repeater without using a radio to initiate the transmission?

Select	Answer
A	DMR
B	IRLP
C	EchoLink
D	D-STAR

33. - T8D02

What is a “talkgroup” on a DMR repeater?

Select	Answer
A	A way for groups of users to share a channel at different times without hearing other users on the channel
B	A net that meets at a specified time
C	A group of operators sharing common interests
D	A protocol that increases the signal-to-noise ratio when multiple repeaters are linked together

34. - T9A12

What is an advantage of a 5/8 wavelength whip antenna for VHF or UHF mobile service?

Select	Answer
A	It has 10 times the power gain of a 1/4 wavelength whip
B	It radiates at a very high angle
C	It eliminates distortion caused by reflected signals
D	It has more gain than a 1/4-wavelength antenna

35. - T9B04

What is the major function of an antenna tuner (antenna coupler)?

Select	Answer
A	It helps a receiver automatically tune in weak stations
B	It allows an antenna to be used on both transmit and receive
C	It matches the antenna system impedance to the transceiver's output impedance
D	It automatically selects the proper antenna for the frequency band being used

Figure T-2