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

2. - T0B11

Which of the following establishes grounding requirements for an amateur radio tower or antenna?

Select	Answer
A	UL recommended practices
B	Local electrical codes
C	FCC Part 97 rules
D	FAA tower lighting regulations

3. - T0C09

How can you make sure your station stays in compliance with RF safety regulations?

Select	Answer
A	By making sure your antennas have low SWR
B	All these choices are correct
C	By re-evaluating the station whenever an item in the transmitter or antenna system is changed
D	By informing the FCC of any changes made in your station

4. - T1A05

What proves that the FCC has issued an operator/primary license grant?

Select	Answer
A	The license appears in the FCC ULS database
B	All these choices are correct
C	An email notification from the NCVEC granting the license
D	A printed copy of the certificate of successful completion of examination

5. - T1B07

Which of the following VHF/UHF band segments are limited to CW only?

Select	Answer
A	All these choices are correct
B	50.0 MHz to 50.1 MHz and 144.0 MHz to 144.1 MHz
C	219 MHz to 220 MHz and 420.0 MHz to 420.1 MHz
D	902.0 MHz to 902.1 MHz

6. - T1C10

How soon after passing the examination for your first amateur radio license may you transmit on the amateur radio bands?

Select	Answer
A	As soon as your operator/station license grant appears in the FCC’s license database
B	As soon as you receive your license in the mail from the FCC
C	As soon as your operator/station license grant appears on the ARRL website
D	Immediately on receiving your Certificate of Successful Completion of Examination (CSCE)

7. - T1D09

When may amateur stations transmit information in support of broadcasting, program production, or news gathering, assuming no other means is available?

Select	Answer
A	Never
B	Where noncommercial programming is gathered and supplied exclusively to the National Public Radio network
C	When such communications are directly related to the immediate safety of human life or protection of property
D	When broadcasting communications to or from the space shuttle

8. - T1E07

When the control operator is not the station licensee, who is responsible for the proper operation of the station?

Select	Answer
A	The control operator and the station licensee
B	Only the station licensee
C	All licensed amateurs who are present at the operation
D	Only the control operator

9. - T1F10

Who is accountable if a repeater inadvertently retransmits communications that violate the FCC rules?

Select	Answer
A	Both the originating station and the repeater owner
B	The control operator of the repeater
C	The owner of the repeater
D	The control operator of the originating station

10. - T2A11

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

Select	Answer
A	Full duplex
B	Diplex
C	Simplex
D	Multiplex

11. - T2B13

What is the purpose of a squelch function?

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

12. - T2C04

What is RACES?

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

13. - T3A04

What happens when antennas at opposite ends of a VHF or UHF line of sight radio link are not using the same polarization?

Select	Answer
A	Received signal strength is reduced
B	Nothing significant will happen
C	The modulation sidebands might become inverted
D	Signals have an echo effect

14. - T3B11

What is the approximate velocity of a radio wave in free space?

Select	Answer
A	150,000 miles per hour
B	300,000,000 meters per second
C	150,000 meters per second
D	300,000,000 miles per hour

15. - T3C11

Why is the radio horizon for VHF and UHF signals more distant than the visual horizon?

Select	Answer
A	The atmosphere refracts radio waves slightly
B	Radio waves are blocked by dust particles
C	Radio waves are not blocked by dust particles
D	Radio signals move somewhat faster than the speed of light

16. - T4A03

Why are short, heavy-gauge wires used for a transceiver’s DC power connection?

Select	Answer
A	To minimize voltage drop when transmitting
B	All these choices are correct
C	To avoid RF interference
D	To provide a good counterpoise for the antenna

17. - T4B01

What is the effect of excessive microphone gain on SSB transmissions?

Select	Answer
A	Frequency instability
B	Increased SWR
C	All these choices are correct
D	Distorted transmitted audio

18. - T5A02

Electrical power is measured in which of the following units?

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

19. - T5B06

Which is equal to 3000 milliamperes?

Select	Answer
A	0.003 amperes
B	3,000,000 amperes
C	0.3 amperes
D	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 = E – I
D	P = I  E

21. - T5D01

What formula is used to calculate current in a circuit?

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

22. - T6A10

Which of the following battery chemistries is rechargeable?

Select	Answer
A	All these choices are correct
B	Lead-acid
C	Lithium-ion
D	Nickel-metal hydride

23. - T6B11

What is the term that describes a device's ability to amplify a signal?

Select	Answer
A	Gain
B	Forward resistance
C	Forward voltage drop
D	On resistance

24. - T6C09

What is component 4 in figure T-2?

Select	Answer
A	Potentiometer
B	Double-pole switch
C	Transformer
D	Variable inductor

25. - T6D09

What is the name of a device that combines several semiconductors and other components into one package?

Select	Answer
A	Transducer
B	Integrated circuit
C	Transformer
D	Multi-pole relay

26. - T7A05

What is the name of a circuit that generates a signal at a specific frequency?

Select	Answer
A	Reactance modulator
B	Low-pass filter
C	Oscillator
D	Phase modulator

27. - T7B02

What would cause a broadcast AM or FM radio to receive an amateur radio transmission unintentionally?

Select	Answer
A	The audio amplifier of the transmitter is overloaded
B	The microphone gain of the transmitter is turned up too high
C	The deviation of an FM transmitter is set too low
D	The receiver is unable to reject strong signals outside the AM or FM band

28. - T7C03

What does a dummy load consist of?

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

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	Attempting to measure voltage when using the resistance setting
D	Not allowing it to warm up properly

30. - T8A07

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

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

31. - T8B10

What is a LEO satellite?

Select	Answer
A	A highly elliptical orbit satellite
B	A satellite in low energy operation mode
C	A satellite in low earth orbit
D	A sun synchronous satellite

32. - T8C11

What is an amateur radio station that connects other amateur stations to the internet?

Select	Answer
A	A gateway
B	A repeater
C	A beacon
D	A digipeater

33. - T8D01

Which of the following is a digital communications mode?

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

34. - T9A07

What is a disadvantage of using a handheld VHF transceiver with a flexible antenna inside a vehicle?

Select	Answer
A	The bandwidth of the antenna will decrease, increasing SWR
B	The SWR might decrease, decreasing the signal strength
C	Signal strength is reduced due to the shielding effect of the vehicle
D	All these choices are correct

35. - T9B01

What is a benefit of low SWR?

Select	Answer
A	Reduced signal loss
B	All these choices are correct
C	Reduced television interference
D	Less antenna wear

Figure T-2