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

2. - T0B03

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

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

3. - T0C01

What type of radiation are radio signals?

Select	Answer
A	Gamma radiation
B	Alpha radiation
C	Non-ionizing radiation
D	Ionizing radiation

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 government transmitter marking the amateur radio band edges
D	A continuous transmission of weather information authorized in the amateur bands by the National Weather Service

5. - T1B03

Which frequency is in the 6 meter amateur band?

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

6. - T1C07

Which of the following can result in revocation of the station license or suspension of the operator license?

Select	Answer
A	Failure to inform the FCC of any changes in the amateur station following performance of an RF safety environmental evaluation
B	Failure to provide and maintain a correct email address with the FCC
C	Failure to have a copy of your license available at your station
D	Failure to obtain FCC type acceptance prior to using a home-built transmitter

7. - T1D02

Under which of the following circumstances are one-way transmissions by an amateur station prohibited?

Select	Answer
A	Telecommand or transmissions of telemetry
B	International Morse Code Practice
C	In all circumstances
D	Broadcasting

8. - T1E10

Which of the following is an example of remote control as defined in Part 97?

Select	Answer
A	Operating the station over the internet
B	All these choices are correct
C	Controlling a model aircraft, boat, or car by amateur radio
D	Repeater operation

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

10. - T2A05

How should you respond to a station calling CQ?

Select	Answer
A	Transmit your call sign followed by the other station’s call sign
B	Transmit a signal report followed by your call sign
C	Transmit "CQ" followed by the other station’s call sign
D	Transmit the other station’s call sign followed by your call sign

11. - T2B09

Why are simplex channels designated in the VHF/UHF band plans?

Select	Answer
A	For working DX only
B	So stations within range of each other can communicate without tying up a repeater
C	So stations with simple transmitters can access the repeater without automated offset
D	For contest operation

12. - T2C05

What does the term “traffic” refer to in net operation?

Select	Answer
A	The number of stations checking in and out of a net
B	Requests to activate the net by a served agency
C	Operation by mobile or portable stations
D	Messages exchanged by net stations

13. - T3A10

What effect does multi-path propagation have on data transmissions?

Select	Answer
A	No significant changes will occur if the signals are transmitted using FM
B	Error rates are likely to increase
C	Transmission rates must be increased by a factor equal to the number of separate paths observed
D	Transmission rates must be decreased by a factor equal to the number of separate paths observed

14. - T3B10

What frequency range is referred to as HF?

Select	Answer
A	300 to 3000 kHz
B	3 to 30 MHz
C	300 to 3000 MHz
D	30 to 300 MHz

15. - T3C09

What is generally the best time for long-distance 10 meter band propagation via the F region?

Select	Answer
A	From dawn to shortly after sunset during periods of high sunspot activity
B	From dawn to shortly after sunset during periods of low sunspot activity
C	From shortly after sunset to dawn during periods of high sunspot activity
D	From shortly after sunset to dawn during periods of low sunspot activity

16. - T4A03

Why are short, heavy-gauge wires used for a transceiver’s DC power connection?

Select	Answer
A	To avoid RF interference
B	All these choices are correct
C	To minimize voltage drop when transmitting
D	To provide a good counterpoise for the antenna

17. - T4B04

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

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

18. - T5A05

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

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

19. - T5B01

How many milliamperes is 1.5 amperes?

Select	Answer
A	15 milliamperes
B	1500 milliamperes
C	15,000 milliamperes
D	150 milliamperes

20. - T5C09

How much power is delivered by a voltage of 13.8 volts DC and a current of 10 amperes?

Select	Answer
A	0.7 watts
B	3.8 watts
C	138 watts
D	23.8 watts

21. - T5D03

What formula is used to calculate resistance in a circuit?

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

22. - T6A04

What electrical component stores energy in an electric field?

Select	Answer
A	Varistor
B	Diode
C	Inductor
D	Capacitor

23. - T6B01

Which is true about forward voltage drop in a diode?

Select	Answer
A	It is lower in some diode types than in others
B	It indicates that the diode is defective
C	It is proportional to peak inverse voltage
D	It has no impact on the voltage delivered to the load

24. - T6C03

What is component 2 in figure T-1?

Select	Answer
A	Transistor
B	Resistor
C	Indicator lamp
D	Connector

25. - T6D10

What is the function of component 2 in figure T-1?

Select	Answer
A	Convert electrical energy into radio waves
B	Give off light when current flows through it
C	Control the flow of current
D	Supply electrical energy

26. - T7A03

Which of the following is used to convert a signal from one frequency to another?

Select	Answer
A	Phase splitter
B	Mixer
C	Inverter
D	Amplifier

27. - T7B03

Which of the following can cause radio frequency interference?

Select	Answer
A	Spurious emissions
B	Fundamental overload
C	Harmonics
D	All these choices are correct

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 cannot be used at below freezing temperatures
C	It cannot be used for VHF or UHF antennas
D	It requires special techniques to prevent moisture in the cable

29. - T7D07

Which of the following measurements are made using a multimeter?

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

30. - T8A02

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

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

31. - T8B05

What is a satellite beacon?

Select	Answer
A	An indicator light that shows where to point your antenna
B	A reflective surface on the satellite
C	A transmission from a satellite that contains status information
D	The primary transmit antenna on the satellite

32. - T8C05

What is a grid locator?

Select	Answer
A	An instrument for radio direction finding
B	A letter-number designator assigned to an azimuth and elevation
C	An instrument for neutralizing a final amplifier
D	A letter-number designator assigned to a geographic location

33. - T8D06

What does the abbreviation "PSK" mean?

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

34. - T9A05

Which of the following increases the resonant frequency of a dipole antenna?

Select	Answer
A	Inserting coils in series with radiating wires
B	Lengthening it
C	Shortening it
D	Adding capacitive loading to the ends of the radiating wires

35. - T9B01

What is a benefit of low SWR?

Select	Answer
A	Less antenna wear
B	Reduced television interference
C	All these choices are correct
D	Reduced signal loss

Figure T-1