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

2. - T0B09

Why should you avoid attaching an antenna to a utility pole?

Select	Answer
A	All these choices are correct
B	The 60 Hz radiations from the feed line may increase the SWR
C	The antenna will not work properly because of induced voltages
D	The antenna could contact high-voltage power lines

3. - T0C10

Why is duty cycle one of the factors used to determine safe RF radiation exposure levels?

Select	Answer
A	It affects the peak exposure to radiation
B	It takes into account the thermal effects of the final amplifier
C	It affects the average exposure to radiation
D	It takes into account the antenna feed line loss

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 in contact with foreign stations
C	It is required when transmitting emergency messages
D	It is encouraged

5. - T1B06

On which HF bands does a Technician class operator have phone privileges?

Select	Answer
A	30 meter band only
B	None
C	80 meter, 40 meter, 15 meter, and 10 meter bands
D	10 meter band only

6. - T1C01

For which license classes are new licenses currently available from the FCC?

Select	Answer
A	Novice, Technician Plus, General, Advanced
B	Technician, General, Amateur Extra
C	Technician, Technician Plus, General, Amateur Extra
D	Novice, Technician, General, Amateur Extra

7. - T1D10

How does the FCC define broadcasting for the Amateur Radio Service?

Select	Answer
A	Two-way transmissions by amateur stations
B	Transmission of messages directed only to amateur operators
C	Any transmission made by the licensed station
D	Transmissions intended for reception by the general public

8. - T1E11

Who does the FCC presume to be the control operator of an amateur station, unless documentation to the contrary is in the station records?

Select	Answer
A	The station licensee
B	The station custodian
C	The person operating the station equipment
D	The third party participant

9. - T1F03

When are you required to transmit your assigned call sign?

Select	Answer
A	At least every 10 minutes during and at the end of a communication
B	At least once during each transmission
C	At the beginning of each contact, and every 10 minutes thereafter
D	At least every 15 minutes during and at the end of a communication

10. - T2A01

What is a common repeater frequency offset in the 2 meter band?

Select	Answer
A	Plus or minus 500 kHz
B	Plus or minus 600 kHz
C	Plus or minus 1 MHz
D	Plus or minus 5 MHz

11. - T2B08

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

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

12. - T2C04

What is RACES?

Select	Answer
A	An FCC part 97 amateur radio service for civil defense communications during national emergencies
B	An emergency organization combining amateur radio and citizens band operators and frequencies
C	A radio contest held in a short period, sometimes called a “sprint”
D	An international radio experimentation society

13. - T3A12

What is the effect of fog and rain on signals in the 10 meter and 6 meter bands?

Select	Answer
A	Range increase
B	Deflection
C	There is little effect
D	Absorption

14. - T3B03

What are the two components of a radio wave?

Select	Answer
A	Voltage and current
B	Electric and magnetic fields
C	Ionizing and non-ionizing radiation
D	Impedance and reactance

15. - T3C10

Which of the following bands may provide long-distance communications via the ionosphere’s F region during the peak of the sunspot cycle?

Select	Answer
A	6 and 10 meters
B	23 centimeters
C	70 centimeters and 1.25 meters
D	All these choices are correct

16. - T4A11

Where should the negative power return of a mobile transceiver be connected in a vehicle?

Select	Answer
A	To any metal part of the vehicle
B	At the 12 volt battery chassis ground
C	At the antenna mount
D	Through the transceiver’s mounting bracket

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 keypad or VFO knob
D	The Automatic Frequency Control

18. - T5A10

Which term describes the rate at which electrical energy is used?

Select	Answer
A	Current
B	Resistance
C	Power
D	Voltage

19. - T5B04

Which is equal to one microvolt?

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

20. - T5C04

What is the unit of inductance?

Select	Answer
A	The coulomb
B	The henry
C	The farad
D	The ohm

21. - T5D06

What is the resistance of a circuit that draws 4 amperes from a 12-volt source?

Select	Answer
A	48 ohms
B	8 ohms
C	16 ohms
D	3 ohms

22. - T6A01

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

Select	Answer
A	Transformer
B	Inverter
C	Inductor
D	Resistor

23. - T6B03

Which of these components can be used as an electronic switch?

Select	Answer
A	Transistor
B	Varistor
C	Potentiometer
D	Thermistor

24. - T6C07

What is component 8 in figure T-2?

Select	Answer
A	Light emitting diode
B	Inductor
C	Regulator IC
D	Resistor

25. - T6D06

What component changes 120 V AC power to a lower AC voltage for other uses?

Select	Answer
A	Variable capacitor
B	Transistor
C	Transformer
D	Diode

26. - T7A10

What device increases the transmitted output power from a transceiver?

Select	Answer
A	An impedance network
B	An RF power amplifier
C	All these choices are correct
D	A voltage divider

27. - T7B11

What is a symptom of RF feedback in a transmitter or transceiver?

Select	Answer
A	Excessive SWR at the antenna connection
B	The transmitter will not stay on the desired frequency
C	Frequent blowing of power supply fuses
D	Reports of garbled, distorted, or unintelligible voice transmissions

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 at below freezing temperatures
D	It cannot be used for VHF or UHF antennas

29. - T7D08

Which of the following types of solder should not be used for radio and electronic applications?

Select	Answer
A	Lead-tin solder
B	Tin-copper solder
C	Rosin-core solder
D	Acid-core solder

30. - T8A09

What is the approximate bandwidth of a VHF repeater FM voice signal?

Select	Answer
A	About 150 kHz
B	Less than 500 Hz
C	Between 10 and 15 kHz
D	Between 50 and 125 kHz

31. - T8B12

Which of the following is a way to determine whether your satellite uplink power is neither too low nor too high?

Select	Answer
A	Listen for distortion on your downlink signal
B	Your signal strength on the downlink should be about the same as the beacon
C	Check your signal strength report in the telemetry data
D	All these choices are correct

32. - T8C08

What is the Internet Radio Linking Project (IRLP)?

Select	Answer
A	A system for providing access to websites via amateur radio
B	A technique to connect amateur radio systems, such as repeaters, via the internet using Voice Over Internet Protocol (VoIP)
C	A system for informing amateurs in real time of the frequency of active DX stations
D	A technique for measuring signal strength of an amateur transmitter via the internet

33. - T8D08

Which of the following is included in packet radio transmissions?

Select	Answer
A	All these choices are correct
B	Automatic repeat request in case of error
C	A header that contains the call sign of the station to which the information is being sent
D	A check sum that permits error detection

34. - T9A02

Which of the following describes a type of antenna loading?

Select	Answer
A	Inserting a resistor in the radiating portion of the antenna to make it resonant
B	Strengthening the radiating elements of a beam antenna to better resist wind damage
C	Installing a spring in the base of a mobile vertical antenna to make it more flexible
D	Electrically lengthening by inserting inductors in radiating elements

35. - T9B03

Why is coaxial cable the most common feed line for amateur radio antenna systems?

Select	Answer
A	It is less expensive than any other type of feed line
B	It can handle more power than any other type of feed line
C	It has less loss than any other type of feed line
D	It is easy to use and requires few special installation considerations

Figure T-2