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

3. - T0C04

What factors affect the RF exposure of people near an amateur station antenna?

Select	Answer
A	All these choices are correct
B	Radiation pattern of the antenna
C	Frequency and power level of the RF field
D	Distance from the antenna to a person

4. - T1A04

How many operator/primary station license grants may be held by any one person?

Select	Answer
A	One
B	One for each permanent station location from which the person plans to operate
C	One for each band on which the person plans to operate
D	No more than two

5. - T1B01

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

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

6. - T1C10

How soon after passing the examination for your first amateur radio license may you transmit on the amateur radio bands?

Select	Answer
A	Immediately on receiving your Certificate of Successful Completion of Examination (CSCE)
B	As soon as your operator/station license grant appears in the FCC’s license database
C	As soon as you receive your license in the mail from the FCC
D	As soon as your operator/station license grant appears on the ARRL website

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. - 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 person operating the station equipment
B	The station licensee
C	The station custodian
D	The third party participant

9. - T1F10

Who is accountable if a repeater inadvertently retransmits communications that violate the FCC rules?

Select	Answer
A	The owner of the repeater
B	The control operator of the repeater
C	Both the originating station and the repeater owner
D	The control operator of the originating station

10. - T2A10

What is a band plan, beyond the privileges established by the FCC?

Select	Answer
A	A list of available net frequencies
B	A plan devised by a club to indicate frequency band usage
C	A voluntary guideline for using different modes or activities within an amateur band
D	A list of operating schedules

11. - T2B11

Which Q signal indicates that you are changing frequency?

Select	Answer
A	QRZ
B	QSY
C	QRU
D	QSL

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

13. - T3A08

What is a likely cause of irregular fading of signals propagated by the ionosphere?

Select	Answer
A	Random combining of signals arriving via different paths
B	Intermodulation distortion
C	Interference from thunderstorms
D	Frequency shift due to Faraday rotation

14. - T3B06

What is the formula for converting frequency to approximate wavelength in meters?

Select	Answer
A	Wavelength in meters equals 300 divided by frequency in megahertz
B	Wavelength in meters equals frequency in megahertz divided by 300
C	Wavelength in meters equals frequency in hertz multiplied by 300
D	Wavelength in meters equals frequency in hertz divided by 300

15. - T3C07

What band is best suited for communicating via meteor scatter?

Select	Answer
A	70 centimeters
B	6 meters
C	2 meters
D	33 centimeters

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	Through the transceiver’s mounting bracket
D	At the antenna mount

17. - T4B02

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

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

18. - T5A11

What type of current flow is opposed by resistance?

Select	Answer
A	All these choices are correct
B	Alternating current
C	RF current
D	Direct current

19. - T5B07

Which is equal to 3.525 MHz?

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

20. - T5C02

What is the unit of capacitance?

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

21. - T5D02

What formula is used to calculate voltage in a circuit?

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

22. - T6A03

What electrical parameter is controlled by a potentiometer?

Select	Answer
A	Field strength
B	Resistance
C	Capacitance
D	Inductance

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 has no impact on the voltage delivered to the load
D	It is proportional to peak inverse voltage

24. - T6C07

What is component 8 in figure T-2?

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

25. - T6D03

Which of the following is a reason to use shielded wire?

Select	Answer
A	To prevent coupling of unwanted signals to or from the wire
B	To decrease the resistance of DC power connections
C	To couple the wire to other signals
D	To increase the current carrying capability of the wire

26. - T7A09

What is the function of the SSB/CW-FM switch on a VHF power amplifier?

Select	Answer
A	Set the amplifier for proper operation in the selected mode
B	Change the frequency range of the amplifier to operate in the proper segment of the band
C	Reduce the received signal noise
D	Change the mode of the transmitted signal

27. - T7B11

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

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

28. - T7C09

Which of the following causes failure of coaxial cables?

Select	Answer
A	Solder flux contamination
B	Rapid fluctuation in transmitter output power
C	Operation at 100% duty cycle for an extended period
D	Moisture contamination

29. - T7D08

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

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

30. - T8A01

Which of the following is a form of amplitude modulation?

Select	Answer
A	Packet radio
B	Spread spectrum
C	Single sideband
D	Phase shift keying (PSK)

31. - T8B02

What is the impact of using excessive effective radiated power on a satellite uplink?

Select	Answer
A	Blocking access by other users
B	Overloading the satellite batteries
C	Possibility of rebooting the satellite control computer
D	Possibility of commanding the satellite to an improper mode

32. - T8C02

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

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

33. - T8D03

What kind of data can be transmitted by APRS?

Select	Answer
A	Weather data
B	GPS position data
C	All these choices are correct
D	Text messages

34. - T9A08

What is the approximate length, in inches, of a quarter-wavelength vertical antenna for 146 MHz?

Select	Answer
A	19
B	50
C	112
D	12

35. - T9B05

What happens as the frequency of a signal in coaxial cable is increased?

Select	Answer
A	The loss decreases
B	The characteristic impedance increases
C	The characteristic impedance decreases
D	The loss increases

Figure T-2