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. - T0A07

Where should a lightning arrester be installed in a coaxial feed line?

Select	Answer
A	At the output connector of a transceiver
B	At the ac power service panel
C	On a grounded panel near where feed lines enter the building
D	At the antenna feed point

2. - T0B01

Which of the following is good practice when installing ground wires on a tower for lightning protection?

Select	Answer
A	Put a drip loop in the ground connection to prevent water damage to the ground system
B	All these choices are correct
C	Ensure that connections are short and direct
D	Make sure all ground wire bends are right angles

3. - T0C05

Why do exposure limits vary with frequency?

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

4. - T1A06

What is the FCC Part 97 definition of a beacon?

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

5. - T1B01

Which of the following frequency ranges are available for phone operation by Technician licensees?

Select	Answer
A	28.050 MHz to 28.150 MHz
B	28.500 MHz to 28.600 MHz
C	28.300 MHz to 28.500 MHz
D	28.100 MHz to 28.300 MHz

6. - T1C05

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

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

7. - T1D05

When may amateur radio operators use their stations to notify other amateurs of the availability of equipment for sale or trade?

Select	Answer
A	When selling amateur radio equipment and not on a regular basis
B	Never
C	When no profit is made on the sale
D	When the equipment is not the personal property of either the station licensee, or the control operator, or their close relatives

8. - T1E06

When, under normal circumstances, may a Technician class licensee be the control operator of a station operating in an Amateur Extra Class band segment?

Select	Answer
A	As part of a multi-operator contest team
B	When using a club station whose trustee holds an Amateur Extra Class license
C	At no time
D	When designated as the control operator by an Amateur Extra Class licensee

9. - T1F07

Which of the following restrictions apply when a non-licensed person is allowed to speak to a foreign station using a station under the control of a licensed amateur operator?

Select	Answer
A	The licensed control operator must do the station identification
B	All these choices are correct
C	The person must be a U.S. citizen
D	The foreign station must be in a country with which the U.S. has a third party agreement

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. - T2B04

Which of the following could be the reason you are unable to access a repeater whose output you can hear?

Select	Answer
A	You are using the wrong DCS code
B	Improper transceiver offset
C	All these choices are correct
D	You are using the wrong CTCSS tone

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

13. - T3A01

Why do VHF signal strengths sometimes vary greatly when the antenna is moved only a few feet?

Select	Answer
A	VHF ionospheric propagation is very sensitive to path length
B	Multipath propagation cancels or reinforces signals
C	The signal path encounters different concentrations of water vapor
D	All these choices are correct

14. - T3B01

What is the relationship between the electric and magnetic fields of an electromagnetic wave?

Select	Answer
A	They are at right angles
B	They revolve in opposite directions
C	They travel at different speeds
D	They are in parallel

15. - T3C08

What causes tropospheric ducting?

Select	Answer
A	Sunspots and solar flares
B	Temperature inversions in the atmosphere
C	Discharges of lightning during electrical storms
D	Updrafts from hurricanes and tornadoes

16. - T4A01

Which of the following is an appropriate power supply rating for a typical 50 watt output mobile FM transceiver?

Select	Answer
A	24.0 volts at 4 amperes
B	13.8 volts at 12 amperes
C	24.0 volts at 12 amperes
D	13.8 volts at 4 amperes

17. - T4B02

Which of the following can be used to enter a transceiver’s operating frequency?

Select	Answer
A	The CTCSS or DTMF encoder
B	All these choices are correct
C	The Automatic Frequency Control
D	The keypad or VFO knob

18. - T5A03

What is the name for the flow of electrons in an electric circuit?

Select	Answer
A	Resistance
B	Voltage
C	Capacitance
D	Current

19. - T5B03

Which is equal to one kilovolt?

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

20. - T5C06

What does the abbreviation “RF” mean?

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

21. - T5D12

What is the voltage across a 10-ohm resistor if a current of 2 amperes flows through it?

Select	Answer
A	0.2 volts
B	20 volts
C	8 volts
D	12 volts

22. - T6A01

What electrical component opposes the flow of current in a DC circuit?

Select	Answer
A	Inverter
B	Resistor
C	Transformer
D	Inductor

23. - T6B12

What are the names of the electrodes of a bipolar junction transistor?

Select	Answer
A	Emitter, base, collector
B	Pole one, pole two, output
C	Signal, bias, power
D	Input, output, supply

24. - T6C06

What is component 6 in figure T-2?

Select	Answer
A	Regulator IC
B	Transistor
C	Resistor
D	Capacitor

25. - T6D07

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

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

26. - T7A06

What device converts the RF input and output of a transceiver to another band?

Select	Answer
A	Transverter
B	Low-pass filter
C	High-pass filter
D	Phase converter

27. - T7B07

Which of the following can reduce overload of a VHF transceiver by a nearby commercial FM station?

Select	Answer
A	Installing bypass capacitors on the microphone cable
B	Using double-shielded coaxial cable
C	Installing a band-reject filter
D	Installing an RF preamplifier

28. - T7C04

What reading on an SWR meter indicates a perfect impedance match between the antenna and the feed line?

Select	Answer
A	50:50
B	Full Scale
C	Zero
D	1:1

29. - T7D11

Which of the following precautions should be taken when measuring in-circuit resistance with an ohmmeter?

Select	Answer
A	Ensure that the circuit is grounded
B	Ensure that the circuit is operating at the correct frequency
C	Ensure that the applied voltages are correct
D	Ensure that the circuit is not powered

30. - T8A04

Which type of modulation is commonly used for VHF and UHF voice repeaters?

Select	Answer
A	PSK
B	FM or PM
C	SSB
D	AM

31. - T8B09

What causes spin fading of satellite signals?

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

32. - T8C02

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

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

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	Weak signal propagation beacons
C	All these choices are correct
D	Earth-Moon-Earth

34. - T9A04

What is a disadvantage of the short, flexible antenna supplied with most handheld radio transceivers, compared to a full-sized quarter-wave antenna?

Select	Answer
A	It has low efficiency
B	It is mechanically fragile
C	All these choices are correct
D	It transmits only circularly polarized signals

35. - T9B02

What is the most common impedance of coaxial cables used in amateur radio?

Select	Answer
A	8 ohms
B	600 ohms
C	12 ohms
D	50 ohms

Figure T-2