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. - T0A02

What health hazard is presented by electrical current flowing through the body?

Select	Answer
A	It may disrupt the electrical functions of cells
B	All these choices are correct
C	It may cause involuntary muscle contractions
D	It may cause injury by heating tissue

2. - T0B02

What is required when climbing an antenna tower?

Select	Answer
A	All these choices are correct
B	Have sufficient training on safe tower climbing techniques
C	Use appropriate tie-off to the tower at all times
D	Always wear an approved climbing harness

3. - T0C03

How does the allowable power density for RF safety change if duty cycle changes from 100 percent to 50 percent?

Select	Answer
A	There is no adjustment allowed for lower duty cycle
B	It decreases by 50 percent
C	It increases by a factor of 2
D	It increases by a factor of 3

4. - T1A03

What do the FCC rules state regarding the use of a phonetic alphabet for station identification in the Amateur Radio Service?

Select	Answer
A	All these choices are correct
B	It is required when transmitting emergency messages
C	It is encouraged
D	It is required when in contact with foreign stations

5. - T1B04

Which amateur band includes 146.52 MHz?

Select	Answer
A	6 meters
B	2 meters
C	70 centimeters
D	20 meters

6. - T1C06

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

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

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

8. - T1E09

Which of the following are required for remote control operation?

Select	Answer
A	All these choices are correct
B	The control operator must be at the control point
C	The control operator must indirectly manipulate the controls
D	A control operator is required at all times

9. - T1F02

How often must you identify with your FCC-assigned call sign when using tactical call signs such as “Race Headquarters”?

Select	Answer
A	Never, the tactical call is sufficient
B	At the end of each communication and every ten minutes during a communication
C	At the end of every transmission
D	Once during every hour

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. - T2B03

Which of the following describes a linked repeater network?

Select	Answer
A	A system of repeaters linked by APRS
B	Multiple repeaters with the same control operator
C	A single repeater with more than one receiver
D	A network of repeaters in which signals received by one repeater are transmitted by all the repeaters in the network

12. - T2C03

What technique is used to ensure that voice messages containing unusual words are received correctly?

Select	Answer
A	Send the words by voice and Morse code
B	Speak very loudly into the microphone
C	Spell the words using a standard phonetic alphabet
D	All these choices are correct

13. - T3A09

Which of the following results from the fact that signals propagated by the ionosphere are elliptically polarized?

Select	Answer
A	FM voice is unusable
B	Both the transmitting and receiving antennas must be of the same polarization
C	Either vertically or horizontally polarized antennas may be used for transmission or reception
D	Digital modes are unusable

14. - T3B02

What property of a radio wave defines its polarization?

Select	Answer
A	The orientation of the magnetic field
B	The orientation of the electric field
C	The ratio of the velocity to the wavelength
D	The ratio of the energy in the magnetic field to the energy in the electric field

15. - T3C05

Which of the following effects may allow radio signals to travel beyond obstructions between the transmitting and receiving stations?

Select	Answer
A	Faraday rotation
B	Knife-edge diffraction
C	Quantum tunneling
D	Doppler shift

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 12 amperes
B	13.8 volts at 4 amperes
C	24.0 volts at 4 amperes
D	13.8 volts at 12 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	The Automatic Frequency Control
C	The keypad or VFO knob
D	All these choices are correct

18. - T5A05

What is the electrical term for the force that causes electron flow?

Select	Answer
A	Inductance
B	Voltage
C	Ampere-hours
D	Capacitance

19. - T5B07

Which is equal to 3.525 MHz?

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

20. - T5C13

What is the abbreviation for kilohertz?

Select	Answer
A	kHz
B	KHZ
C	khZ
D	khz

21. - T5D13

In which type of circuit is DC current the same through all components?

Select	Answer
A	Series
B	Branch
C	Resonant
D	Parallel

22. - T6A04

What electrical component stores energy in an electric field?

Select	Answer
A	Diode
B	Capacitor
C	Varistor
D	Inductor

23. - T6B02

What electronic component allows current to flow in only one direction?

Select	Answer
A	Fuse
B	Driven element
C	Diode
D	Resistor

24. - T6C03

What is component 2 in figure T-1?

Select	Answer
A	Transistor
B	Connector
C	Resistor
D	Indicator lamp

25. - T6D04

Which of the following displays an electrical quantity as a numeric value?

Select	Answer
A	Meter
B	Transistor
C	Potentiometer
D	Relay

26. - T7A06

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

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

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	Ferrite choke
B	Preamplifier
C	Band-pass filter
D	Low-pass filter

28. - T7C06

What does an SWR reading of 4:1 indicate?

Select	Answer
A	Good impedance match
B	Loss of -4 dB
C	Impedance mismatch
D	Gain of +4 dB

29. - T7D01

Which instrument would you use to measure electric potential?

Select	Answer
A	An ammeter
B	A voltmeter
C	A wavemeter
D	An ohmmeter

30. - T8A02

What type of modulation is commonly used for VHF packet radio transmissions?

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

31. - T8B08

What is meant by the statement that a satellite is operating in U/V mode?

Select	Answer
A	The satellite operates using ultraviolet frequencies
B	The satellite frequencies are usually variable
C	The satellite uplink is in the 70 centimeter band and the downlink is in the 2 meter band
D	The satellite uplink is in the 15 meter band and the downlink is in the 10 meter band

32. - T8C03

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

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

33. - T8D10

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

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

34. - T9A01

What is a beam antenna?

Select	Answer
A	An antenna built from aluminum I-beams
B	An omnidirectional antenna invented by Clarence Beam
C	An antenna that reverses the phase of received signals
D	An antenna that concentrates signals in one direction

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	Multi-conductor unbalanced cable
C	75-ohm flexible coax
D	Air-insulated hardline

Figure T-1