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

2. - T0B06

What is the minimum safe distance from a power line to allow when installing an antenna?

Select	Answer
A	Add the height of the antenna to the height of the power line and multiply by a factor of 1.5
B	1/2 wavelength at the operating frequency
C	Enough so that if the antenna falls, no part of it can come closer than 10 feet to the power wires
D	The height of the power line above ground

3. - T0C05

Why do exposure limits vary with frequency?

Select	Answer
A	Lower frequency RF fields do not penetrate the human body
B	The human body absorbs more RF energy at some frequencies than at others
C	Lower frequency RF fields have more energy than higher frequency fields
D	Higher frequency RF fields are transient in nature

4. - T1A11

When is willful interference to other amateur radio stations permitted?

Select	Answer
A	At no time
B	To stop another amateur station that is breaking the FCC rules
C	When making short test transmissions
D	At any time, stations in the Amateur Radio Service are not protected from willful interference

5. - T1B11

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

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

6. - T1C05

Which of the following is a valid Technician class call sign format?

Select	Answer
A	KA1X
B	All these choices are correct
C	W1XX
D	KF1XXX

7. - T1D03

When is it permissible to transmit messages encoded to obscure their meaning?

Select	Answer
A	Never
B	Only when transmitting control commands to space stations or radio control craft
C	Only during contests
D	Only when transmitting certain approved digital codes

8. - T1E02

Who may be the control operator of a station communicating through an amateur satellite or space station?

Select	Answer
A	Only an Amateur Extra Class operator who is also an AMSAT member
B	Any amateur allowed to transmit on the satellite uplink frequency
C	A General class or higher licensee with a satellite operator certification
D	Only an Amateur Extra Class operator

9. - T1F06

Which of the following self-assigned indicators are acceptable when using a phone transmission?

Select	Answer
A	KL7CC stroke W3
B	KL7CC slant W3
C	All these choices are correct
D	KL7CC slash W3

10. - T2A02

What is the national calling frequency for FM simplex operations in the 2 meter band?

Select	Answer
A	145.000 MHz
B	446.000 MHz
C	432.100 MHz
D	146.520 MHz

11. - T2B10

Which Q signal indicates that you are receiving interference from other stations?

Select	Answer
A	QSB
B	QRN
C	QRM
D	QTH

12. - T2C04

What is RACES?

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

13. - T3A02

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

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

14. - T3B08

What frequency range is referred to as VHF?

Select	Answer
A	300 kHz to 3000 kHz
B	30 MHz to 300 MHz
C	30 kHz to 300 kHz
D	300 MHz to 3000 MHz

15. - T3C06

What type of propagation is responsible for allowing over-the-horizon VHF and UHF communications to ranges of approximately 300 miles on a regular basis?

Select	Answer
A	D region refraction
B	Tropospheric ducting
C	F2 region refraction
D	Faraday rotation

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. - T4B10

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

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

18. - T5A05

What is the electrical term for the force that causes electron flow?

Select	Answer
A	Capacitance
B	Voltage
C	Ampere-hours
D	Inductance

19. - T5B08

Which is equal to 1,000,000 picofarads?

Select	Answer
A	1000 microfarads
B	1,000,000,000 microfarads
C	0.001 microfarads
D	1 microfarad

20. - T5C13

What is the abbreviation for kilohertz?

Select	Answer
A	KHZ
B	kHz
C	khz
D	khZ

21. - T5D10

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

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

22. - T6A06

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

Select	Answer
A	Diode
B	Capacitor
C	Varistor
D	Inductor

23. - T6B01

Which is true about forward voltage drop in a diode?

Select	Answer
A	It has no impact on the voltage delivered to the load
B	It indicates that the diode is defective
C	It is lower in some diode types than in others
D	It is proportional to peak inverse voltage

24. - T6C03

What is component 2 in figure T-1?

Select	Answer
A	Indicator lamp
B	Connector
C	Transistor
D	Resistor

25. - T6D02

What is a relay?

Select	Answer
A	An inverting amplifier
B	An electrically-controlled switch
C	A current controlled amplifier
D	A pass transistor

26. - T7A02

What is a transceiver?

Select	Answer
A	A device for converting receiver and transmitter frequencies to another band
B	A device for matching feed line impedance to 50 ohms
C	A device that combines a receiver and transmitter
D	A device for automatically sending and decoding Morse code

27. - T7B09

What should be the first step to resolve non-fiber optic cable TV interference caused by your amateur radio transmission?

Select	Answer
A	Add a high-pass filter to the TV antenna input
B	Be sure all TV feed line coaxial connectors are installed properly
C	Add a preamplifier to the TV antenna input
D	Add a low-pass filter to the TV antenna input

28. - T7C06

What does an SWR reading of 4:1 indicate?

Select	Answer
A	Impedance mismatch
B	Loss of -4 dB
C	Good impedance match
D	Gain of +4 dB

29. - T7D09

What is the characteristic appearance of a cold tin-lead solder joint?

Select	Answer
A	A bright or shiny surface
B	Excessive solder
C	A rough or lumpy surface
D	Dark black spots

30. - T8A02

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

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

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 with a transmitter equipped for interrogating the satellite
D	A licensed radio amateur who has registered for an access code from AMSAT

32. - T8C07

What is Voice Over Internet Protocol (VoIP)?

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

33. - T8D06

What does the abbreviation "PSK" mean?

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

34. - T9A01

What is a beam antenna?

Select	Answer
A	An antenna that reverses the phase of received signals
B	An antenna that concentrates signals in one direction
C	An antenna built from aluminum I-beams
D	An omnidirectional antenna invented by Clarence Beam

35. - T9B07

Which of the following is true of PL-259 type coax connectors?

Select	Answer
A	They are a bayonet-type connector
B	They are commonly used at HF and VHF frequencies
C	They are preferred for microwave operation
D	They are watertight

Figure T-1