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. - T0A08

Where should a fuse or circuit breaker be installed in a 120V AC power circuit?

Select	Answer
A	In parallel with the hot and neutral conductors
B	In series with the hot and neutral conductors
C	In parallel with the hot conductor only
D	In series with the hot conductor only

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	Make sure all ground wire bends are right angles
C	All these choices are correct
D	Ensure that connections are short and direct

3. - T0C11

What is the definition of duty cycle during the averaging time for RF exposure?

Select	Answer
A	The difference between the lowest power output and the highest power output of a transmitter
B	The difference between the PEP and average power output of a transmitter
C	The percentage of time that a transmitter is transmitting
D	The percentage of time that a transmitter is not transmitting

4. - T1A09

Who selects a Frequency Coordinator?

Select	Answer
A	The local chapter of the Office of National Council of Independent Frequency Coordinators
B	Amateur operators in a local or regional area whose stations are eligible to be repeater or auxiliary stations
C	The FCC Office of Spectrum Management and Coordination Policy
D	FCC Regional Field Office

5. - T1B12

Except for some specific restrictions, what is the maximum peak envelope power output for Technician class operators using frequencies above 30 MHz?

Select	Answer
A	1500 watts
B	100 watts
C	500 watts
D	50 watts

6. - T1C03

What types of international communications are an FCC-licensed amateur radio station permitted to make?

Select	Answer
A	Communications incidental to the purposes of the Amateur Radio Service and remarks of a personal character
B	Any communications that would be permitted by an international broadcast station
C	Communications incidental to conducting business or remarks of a personal nature
D	Only communications incidental to contest exchanges; all other communications are prohibited

7. - T1D04

Under what conditions is an amateur station authorized to transmit music using a phone emission?

Select	Answer
A	When transmissions are limited to less than three minutes per hour
B	When incidental to an authorized retransmission of manned spacecraft communications
C	When the music is transmitted above 1280 MHz
D	When the music produces no spurious emissions

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. - T1F01

When must the station and its records be available for FCC inspection?

Select	Answer
A	At any time after written notification by the FCC of such inspection
B	At any time ten days after notification by the FCC of such an inspection
C	At any time upon request by an FCC representative
D	Only when presented with a valid warrant by an FCC official or government agent

10. - T2A11

What term describes an amateur station that is transmitting and receiving on the same frequency?

Select	Answer
A	Simplex
B	Full duplex
C	Diplex
D	Multiplex

11. - T2B02

What term describes the use of a sub-audible tone transmitted along with normal voice audio to open the squelch of a receiver?

Select	Answer
A	CTCSS
B	Tone burst
C	Carrier squelch
D	DTMF

12. - T2C09

Are amateur station control operators ever permitted to operate outside the frequency privileges of their license class?

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

13. - T3A05

When using a directional antenna, how might your station be able to communicate with a distant repeater if buildings or obstructions are blocking the direct line of sight path?

Select	Answer
A	Try the long path
B	Change from vertical to horizontal polarization
C	Increase the antenna SWR
D	Try to find a path that reflects signals to the repeater

14. - T3B05

What is the relationship between wavelength and frequency?

Select	Answer
A	Wavelength gets shorter as frequency increases
B	Wavelength gets longer as frequency increases
C	Wavelength and frequency are unrelated
D	Wavelength and frequency increase as path length increases

15. - T3C01

Why are simplex UHF signals rarely heard beyond their radio horizon?

Select	Answer
A	UHF signals are usually not propagated by the ionosphere
B	They are too weak to go very far
C	UHF signals are absorbed by the ionospheric D region
D	FCC regulations prohibit them from going more than 50 miles

16. - T4A12

What is an electronic keyer?

Select	Answer
A	A device for switching antennas from transmit to receive
B	An interlock to prevent unauthorized use of a radio
C	A device for voice activated switching from receive to transmit
D	A device that assists in manual sending of Morse code

17. - T4B04

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

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

18. - T5A02

Electrical power is measured in which of the following units?

Select	Answer
A	Amperes
B	Watt-hours
C	Watts
D	Volts

19. - T5B07

Which is equal to 3.525 MHz?

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

20. - T5C12

What is impedance?

Select	Answer
A	The power handling capability of a component
B	The Q or Quality Factor of a component
C	The inverse of resistance
D	The opposition to AC current flow

21. - T5D10

What is the voltage across a 2-ohm resistor if a current of 0.5 amperes flows through it?

Select	Answer
A	1 volt
B	1.5 volts
C	0.25 volts
D	2.5 volts

22. - T6A06

What type of electrical component stores energy in a magnetic field?

Select	Answer
A	Capacitor
B	Diode
C	Varistor
D	Inductor

23. - T6B09

What are the names for the electrodes of a diode?

Select	Answer
A	Plus and minus
B	Anode and cathode
C	Gate and base
D	Source and drain

24. - T6C04

What is component 3 in figure T-1?

Select	Answer
A	Transistor
B	Resistor
C	Lamp
D	Ground symbol

25. - T6D08

Which of the following is combined with an inductor to make a resonant circuit?

Select	Answer
A	Capacitor
B	Zener diode
C	Potentiometer
D	Resistor

26. - T7A07

What is the function of a transceiver’s PTT input?

Select	Answer
A	Input for a preamplifier tuning tone
B	Input for a key used to send CW
C	Switches transceiver from receive to transmit when grounded
D	Provides a transmit tuning tone when grounded

27. - T7B07

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

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

28. - T7C03

What does a dummy load consist of?

Select	Answer
A	A non-inductive resistor mounted on a heat sink
B	A 50-ohm reactance used to terminate a transmission line
C	A high-gain amplifier and a TR switch
D	A low-voltage power supply and a DC relay

29. - T7D10

What reading indicates that an ohmmeter is connected across a large, discharged capacitor?

Select	Answer
A	Steady full-scale reading
B	Increasing resistance with time
C	Alternating between open and short circuit
D	Decreasing resistance with time

30. - T8A10

What is the approximate bandwidth of AM fast-scan TV transmissions?

Select	Answer
A	About 3 MHz
B	About 1 MHz
C	More than 10 MHz
D	About 6 MHz

31. - T8B03

Which of the following are provided by satellite tracking programs?

Select	Answer
A	All these choices are correct
B	The apparent frequency of the satellite transmission, including effects of Doppler shift
C	The time, azimuth, and elevation of the start, maximum altitude, and end of a pass
D	Maps showing the real-time position of the satellite track over Earth

32. - T8C09

Which of the following protocols enables an amateur station to transmit through a repeater without using a radio to initiate the transmission?

Select	Answer
A	D-STAR
B	DMR
C	IRLP
D	EchoLink

33. - T8D08

Which of the following is included in packet radio transmissions?

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

34. - T9A05

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

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

35. - T9B11

Which of the following types of feed line has the lowest loss at VHF and UHF?

Select	Answer
A	Multi-conductor unbalanced cable
B	Air-insulated hardline
C	75-ohm flexible coax
D	50-ohm flexible coax

Figure T-1