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. - T0A10

What hazard is caused by charging or discharging a battery too quickly?

Select	Answer
A	Half-wave rectification
B	Overheating or out-gassing
C	Inverse memory effect
D	Excess output ripple

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. - T0C12

How does RF radiation differ from ionizing radiation (radioactivity)?

Select	Answer
A	RF radiation does not have sufficient energy to cause chemical changes in cells and damage DNA
B	RF radiation is perfectly safe
C	RF radiation can only be detected with an RF dosimeter
D	RF radiation is limited in range to a few feet

4. - T1A10

What is the Radio Amateur Civil Emergency Service (RACES)?

Select	Answer
A	All these choices are correct
B	An emergency service using amateur operators certified by a civil defense organization as being enrolled in that organization
C	A radio service using amateur frequencies for emergency management or civil defense communications
D	A radio service using amateur stations for emergency management or civil defense communications

5. - T1B09

Why should you not set your transmit frequency to be exactly at the edge of an amateur band or sub-band?

Select	Answer
A	So that modulation sidebands do not extend beyond the band edge
B	All these choices are correct
C	To allow for calibration error in the transmitter frequency display
D	To allow for transmitter frequency drift

6. - T1C02

Who may select a desired call sign under the vanity call sign rules?

Select	Answer
A	Only a licensed amateur with an Amateur Extra Class license
B	Only a licensed amateur who has been licensed continuously for more than 10 years
C	Only a licensed amateur with a General or Amateur Extra Class license
D	Any licensed amateur

7. - T1D08

In which of the following circumstances may the control operator of an amateur station receive compensation for operating that station?

Select	Answer
A	All these choices are correct
B	When the communication is incidental to classroom instruction at an educational institution
C	When the communication is related to the sale of amateur equipment by the control operator's employer
D	When the communication is made to obtain emergency information for a local broadcast station

8. - T1E10

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

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

9. - T1F01

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

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

10. - T2A09

Which of the following indicates that a station is listening on a repeater and looking for a contact?

Select	Answer
A	The station’s call sign followed by the word “monitoring”
B	“QSY” followed by your call sign
C	The repeater call sign followed by the station’s call sign
D	“CQ CQ” followed by the repeater’s call sign

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	DTMF
B	Tone burst
C	CTCSS
D	Carrier squelch

12. - T2C11

What is meant by “check” in a radiogram header?

Select	Answer
A	The number of words or word equivalents in the text portion of the message
B	A list of stations that have relayed the message
C	The call sign of the originating station
D	A box on the message form that indicates that the message was received and/or relayed

13. - T3A02

What is the effect of vegetation on UHF and microwave signals?

Select	Answer
A	Knife-edge diffraction
B	Amplification
C	Polarization rotation
D	Absorption

14. - T3B02

What property of a radio wave defines its polarization?

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

15. - T3C07

What band is best suited for communicating via meteor scatter?

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

16. - T4A11

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

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

17. - T4B10

Which of the following receiver filter bandwidths provides the best signal-to-noise ratio for SSB reception?

Select	Answer
A	1000 Hz
B	5000 Hz
C	2400 Hz
D	500 Hz

18. - T5A03

What is the name for the flow of electrons in an electric circuit?

Select	Answer
A	Voltage
B	Capacitance
C	Current
D	Resistance

19. - T5B11

Which decibel value represents a power increase from 20 watts to 200 watts?

Select	Answer
A	18 dB
B	28 dB
C	10 dB
D	12 dB

20. - T5C08

What is the formula used to calculate electrical power (P) in a DC circuit?

Select	Answer
A	P = I  E
B	P = E / I
C	P = I + E
D	P = E – I

21. - T5D03

What formula is used to calculate resistance in a circuit?

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

22. - T6A12

What type of switch is represented by component 3 in figure T-2?

Select	Answer
A	Double-pole single-throw
B	Single-pole double-throw
C	Double-pole double-throw
D	Single-pole single-throw

23. - T6B10

Which of the following can provide power gain?

Select	Answer
A	Transistor
B	Resistor
C	Reactor
D	Transformer

24. - T6C04

What is component 3 in figure T-1?

Select	Answer
A	Transistor
B	Lamp
C	Resistor
D	Ground symbol

25. - T6D07

Which of the following is commonly used as a visual indicator?

Select	Answer
A	LED
B	Bipolar transistor
C	Zener diode
D	FET

26. - T7A01

Which term describes the ability of a receiver to detect the presence of a signal?

Select	Answer
A	Sensitivity
B	Selectivity
C	Total Harmonic Distortion
D	Linearity

27. - T7B08

What should you do if something in a neighbor’s home is causing harmful interference to your amateur station?

Select	Answer
A	Make sure your station meets the standards of good amateur practice
B	Work with your neighbor to identify the offending device
C	All these choices are correct
D	Politely inform your neighbor that FCC rules prohibit the use of devices that cause interference

28. - T7C04

What reading on an SWR meter indicates a perfect impedance match between the antenna and the feed line?

Select	Answer
A	1:1
B	Full Scale
C	50:50
D	Zero

29. - T7D06

Which of the following can damage a multimeter?

Select	Answer
A	Failing to connect one of the probes to ground
B	Attempting to measure resistance using the voltage setting
C	Not allowing it to warm up properly
D	Attempting to measure voltage when using the resistance setting

30. - T8A12

Which of the following is a disadvantage of FM compared with single sideband?

Select	Answer
A	Only one signal can be received at a time
B	FM signals are harder to tune
C	Voice quality is poorer
D	All these choices are correct

31. - T8B11

Who may receive telemetry from a space station?

Select	Answer
A	Anyone
B	A licensed radio amateur who has been certified by the protocol developer
C	A licensed radio amateur who has registered for an access code from AMSAT
D	A licensed radio amateur with a transmitter equipped for interrogating the satellite

32. - T8C10

What is required before using the EchoLink system?

Select	Answer
A	All these choices are correct
B	Complete the required EchoLink training
C	Purchase a license to use the EchoLink software
D	Register your call sign and provide proof of license

33. - T8D01

Which of the following is a digital communications mode?

Select	Answer
A	All these choices are correct
B	Packet radio
C	IEEE 802.11
D	FT8

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	Adding capacitive loading to the ends of the radiating wires
C	Shortening it
D	Lengthening it

35. - T9B08

Which of the following is a source of loss in coaxial feed line?

Select	Answer
A	High SWR
B	All these choices are correct
C	Multiple connectors in the line
D	Water intrusion into coaxial connectors

Figure T-2

Figure T-1