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. - T0A09

What should be done to all external ground rods or earth connections?

Select	Answer
A	Bond them together with heavy wire or conductive strap
B	Keep them as far apart as possible
C	Waterproof them with silicone caulk or electrical tape
D	Tune them for resonance on the lowest frequency of operation

2. - T0B08

Which is a proper grounding method for a tower?

Select	Answer
A	Separate eight-foot ground rods for each tower leg, bonded to the tower and each other
B	A connection between the tower base and a cold water pipe
C	A ferrite-core RF choke connected between the tower and ground
D	A single four-foot ground rod, driven into the ground no more than 12 inches from the base

3. - T0C12

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

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

4. - T1A01

Which of the following is part of the Basis and Purpose of the Amateur Radio Service?

Select	Answer
A	Providing communications for international non-profit organizations
B	Providing personal radio communications for as many citizens as possible
C	Advancing skills in the technical and communication phases of the radio art
D	All these choices are correct

5. - T1B11

What is the maximum peak envelope power output for Technician class operators in their HF band segments?

Select	Answer
A	100 watts
B	200 watts
C	50 watts
D	10 watts

6. - T1C04

What may happen if the FCC is unable to reach you by email?

Select	Answer
A	Fine and suspension of operator license
B	Nothing; there is no such requirement
C	Revocation of access to the license record in the FCC system
D	Revocation of the station license or suspension of the operator license

7. - T1D11

When may an amateur station transmit without identifying on the air?

Select	Answer
A	When the transmitted power level is below 1 watt
B	When transmitting signals to control model craft
C	When the transmissions are of a brief nature to make station adjustments
D	When the transmissions are unmodulated

8. - T1E09

Which of the following are required for remote control operation?

Select	Answer
A	The control operator must be at the control point
B	The control operator must indirectly manipulate the controls
C	All these choices are correct
D	A control operator is required at all times

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

10. - T2A04

What is an appropriate way to call another station on a repeater if you know the other station's call sign?

Select	Answer
A	Say "break, break," then say the station's call sign
B	Say "CQ" three times, then the other station's call sign
C	Say the station's call sign, then identify with your call sign
D	Wait for the station to call CQ, then answer

11. - T2B09

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

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

12. - T2C10

What information is contained in the preamble of a formal traffic message?

Select	Answer
A	The telephone number of the addressee
B	Information needed to track the message
C	The address of the intended recipient
D	The email address of the originating station

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

14. - T3B01

What is the relationship between the electric and magnetic fields of an electromagnetic wave?

Select	Answer
A	They are in parallel
B	They are at right angles
C	They revolve in opposite directions
D	They travel at different speeds

15. - T3C08

What causes tropospheric ducting?

Select	Answer
A	Temperature inversions in the atmosphere
B	Discharges of lightning during electrical storms
C	Updrafts from hurricanes and tornadoes
D	Sunspots and solar flares

16. - T4A08

Which of the following conductors is preferred for bonding at RF?

Select	Answer
A	Twisted-pair cable
B	Flat copper strap
C	Copper braid removed from coaxial cable
D	Steel wire

17. - T4B02

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

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

18. - T5A06

What is the unit of frequency?

Select	Answer
A	Tesla
B	Hertz
C	Farad
D	Henry

19. - T5B10

Which decibel value most closely represents a power decrease from 12 watts to 3 watts?

Select	Answer
A	-9 dB
B	-6 dB
C	-1 dB
D	-3 dB

20. - T5C13

What is the abbreviation for kilohertz?

Select	Answer
A	khZ
B	kHz
C	khz
D	KHZ

21. - T5D06

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

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

22. - T6A02

What type of component is often used as an adjustable volume control?

Select	Answer
A	Power resistor
B	Fixed resistor
C	Transformer
D	Potentiometer

23. - T6B06

How is the cathode lead of a semiconductor diode often marked on the package?

Select	Answer
A	With the letter K
B	With a stripe
C	With the word "cathode"
D	With the letter C

24. - T6C08

What is component 9 in figure T-2?

Select	Answer
A	Variable capacitor
B	Variable resistor
C	Variable transformer
D	Variable inductor

25. - T6D04

Which of the following displays an electrical quantity as a numeric value?

Select	Answer
A	Meter
B	Transistor
C	Relay
D	Potentiometer

26. - T7A09

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

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

27. - T7B11

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

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

28. - T7C11

What is a disadvantage of air core coaxial cable when compared to foam or solid dielectric types?

Select	Answer
A	It cannot be used at below freezing temperatures
B	It requires special techniques to prevent moisture in the cable
C	It has more loss per foot
D	It cannot be used for VHF or UHF antennas

29. - T7D01

Which instrument would you use to measure electric potential?

Select	Answer
A	A voltmeter
B	An ammeter
C	An ohmmeter
D	A wavemeter

30. - T8A02

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

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

31. - T8B05

What is a satellite beacon?

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

32. - T8C07

What is Voice Over Internet Protocol (VoIP)?

Select	Answer
A	A set of rules specifying how to identify your station when linked over the internet to another station
B	A method of delivering voice communications over the internet using digital techniques
C	A technique employed to “spot” DX stations via the internet
D	A technique for measuring the modulation quality of a transmitter using remote sites monitored via the internet

33. - T8D06

What does the abbreviation "PSK" mean?

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

34. - T9A09

What is the approximate length, in inches, of a half-wavelength 6 meter dipole antenna?

Select	Answer
A	50
B	6
C	112
D	236

35. - T9B06

Which of the following RF connector types is most suitable for frequencies above 400 MHz?

Select	Answer
A	DB-25
B	RS-213
C	Type N
D	UHF (PL-259/SO-239)

Figure T-2