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

2. - T0B06

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

Select	Answer
A	1/2 wavelength at the operating frequency
B	Add the height of the antenna to the height of the power line and multiply by a factor of 1.5
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. - T0C06

Which of the following is an acceptable method to determine whether your station complies with FCC RF exposure regulations?

Select	Answer
A	By measurement of field strength using calibrated equipment
B	All these choices are correct
C	By calculation based on computer modeling
D	By calculation based on FCC OET Bulletin 65

4. - T1A04

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

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

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. - T1C07

Which of the following can result in revocation of the station license or suspension of the operator license?

Select	Answer
A	Failure to inform the FCC of any changes in the amateur station following performance of an RF safety environmental evaluation
B	Failure to obtain FCC type acceptance prior to using a home-built transmitter
C	Failure to have a copy of your license available at your station
D	Failure to provide and maintain a correct email address with the FCC

7. - T1D04

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

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

8. - T1E05

What is an amateur station’s control point?

Select	Answer
A	The location of the station’s transmitting apparatus
B	The location at which the control operator function is performed
C	The mailing address of the station licensee
D	The location of the station’s transmitting antenna

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

10. - T2A07

What is meant by "repeater offset”?

Select	Answer
A	The repeater has a time delay to prevent interference
B	The difference between a repeater’s transmit and receive frequencies
C	The repeater station identification is done on a separate frequency
D	The number of simultaneous transmit frequencies used by a repeater

11. - T2B13

What is the purpose of a squelch function?

Select	Answer
A	Reduce interference from impulse noise
B	Reduce a CW transmitter's key clicks
C	Eliminate parasitic oscillations in an RF amplifier
D	Mute the receiver audio when a signal is not present

12. - T2C01

When do FCC rules NOT apply to the operation of an amateur station?

Select	Answer
A	When operating under special FEMA rules
B	When operating a RACES station
C	When operating under special ARES rules
D	FCC rules always apply

13. - T3A11

Which region of the atmosphere can refract or bend HF and VHF radio waves?

Select	Answer
A	The ionosphere
B	The mesosphere
C	The troposphere
D	The stratosphere

14. - T3B10

What frequency range is referred to as HF?

Select	Answer
A	300 to 3000 MHz
B	3 to 30 MHz
C	300 to 3000 kHz
D	30 to 300 MHz

15. - T3C05

Which of the following effects may allow radio signals to travel beyond obstructions between the transmitting and receiving stations?

Select	Answer
A	Quantum tunneling
B	Knife-edge diffraction
C	Faraday rotation
D	Doppler shift

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

18. - T5A06

What is the unit of frequency?

Select	Answer
A	Hertz
B	Tesla
C	Henry
D	Farad

19. - T5B06

Which is equal to 3000 milliamperes?

Select	Answer
A	3,000,000 amperes
B	0.003 amperes
C	3 amperes
D	0.3 amperes

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. - T5D13

In which type of circuit is DC current the same through all components?

Select	Answer
A	Resonant
B	Branch
C	Series
D	Parallel

22. - T6A11

Which of the following battery chemistries is not rechargeable?

Select	Answer
A	Lead-acid
B	Lithium-ion
C	Carbon-zinc
D	Nickel-cadmium

23. - T6B05

What type of transistor has a gate, drain, and source?

Select	Answer
A	Field-effect
B	Varistor
C	Tesla-effect
D	Bipolar junction

24. - T6C03

What is component 2 in figure T-1?

Select	Answer
A	Connector
B	Resistor
C	Indicator lamp
D	Transistor

25. - T6D08

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

Select	Answer
A	Resistor
B	Potentiometer
C	Zener diode
D	Capacitor

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

27. - T7B07

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

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

28. - T7C11

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

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

29. - T7D02

How is a voltmeter connected to a component to measure applied voltage?

Select	Answer
A	In phase
B	In quadrature
C	In series
D	In parallel

30. - T8A07

What is a characteristic of single sideband (SSB) compared to FM?

Select	Answer
A	All these choices are correct
B	SSB signals are easier to tune in correctly
C	SSB signals are less susceptible to interference
D	SSB signals have narrower bandwidth

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	Possibility of rebooting the satellite control computer
C	Possibility of commanding the satellite to an improper mode
D	Overloading the satellite batteries

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	DMR
B	D-STAR
C	EchoLink
D	IRLP

33. - T8D06

What does the abbreviation "PSK" mean?

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

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	12
D	112

35. - T9B07

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

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

Figure T-1