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. - T0A03

In the United States, what circuit does black wire insulation indicate in a three-wire 120 V cable?

Select	Answer
A	Equipment ground
B	Black insulation is never used
C	Neutral
D	Hot

2. - T0B06

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

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

3. - T0C02

At which of the following frequencies does maximum permissible exposure have the lowest value?

Select	Answer
A	1296 MHz
B	3.5 MHz
C	440 MHz
D	50 MHz

4. - T1A07

What is the FCC Part 97 definition of a space station?

Select	Answer
A	Any satellite orbiting Earth
B	An amateur station located more than 50 km above Earth's surface
C	A manned satellite orbiting Earth
D	An amateur station using amateur radio satellites for relay of signals

5. - T1B04

Which amateur band includes 146.52 MHz?

Select	Answer
A	6 meters
B	70 centimeters
C	2 meters
D	20 meters

6. - T1C09

What is the grace period for renewal if an amateur license expires?

Select	Answer
A	Two years
B	Ten years
C	Five years
D	Three years

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 related to the sale of amateur equipment by the control operator's employer
C	When the communication is made to obtain emergency information for a local broadcast station
D	When the communication is incidental to classroom instruction at an educational institution

8. - T1E02

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

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

9. - T1F09

What type of amateur station simultaneously retransmits the signal of another amateur station on a different channel or channels?

Select	Answer
A	Beacon station
B	Message forwarding station
C	Earth station
D	Repeater station

10. - T2A12

What should you do before calling CQ?

Select	Answer
A	All these choices are correct
B	Make sure you are authorized to use that frequency
C	Listen first to be sure that no one else is using the frequency
D	Ask if the frequency is in use

11. - T2B09

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

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

12. - T2C10

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

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

13. - T3A02

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

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

14. - T3B03

What are the two components of a radio wave?

Select	Answer
A	Impedance and reactance
B	Ionizing and non-ionizing radiation
C	Electric and magnetic fields
D	Voltage and current

15. - T3C05

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

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

16. - T4A10

What function is performed with a transceiver and a digital mode hot spot?

Select	Answer
A	RTTY encoding and decoding without a computer
B	High-speed digital communications for meteor scatter
C	Communication using digital voice or data systems via the internet
D	FT8 digital communications via AFSK

17. - T4B01

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

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

18. - T5A07

Why are metals generally good conductors of electricity?

Select	Answer
A	All these choices are correct
B	They have relatively high density
C	They have many free electrons
D	They have many free protons

19. - T5B06

Which is equal to 3000 milliamperes?

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

20. - T5C04

What is the unit of inductance?

Select	Answer
A	The henry
B	The ohm
C	The farad
D	The coulomb

21. - T5D14

In which type of circuit is voltage the same across all components?

Select	Answer
A	Branch
B	Series
C	Resonant
D	Parallel

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. - T6B09

What are the names for the electrodes of a diode?

Select	Answer
A	Anode and cathode
B	Source and drain
C	Plus and minus
D	Gate and base

24. - T6C09

What is component 4 in figure T-2?

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

25. - T6D06

What component changes 120 V AC power to a lower AC voltage for other uses?

Select	Answer
A	Transistor
B	Variable capacitor
C	Diode
D	Transformer

26. - T7A07

What is the function of a transceiver’s PTT input?

Select	Answer
A	Provides a transmit tuning tone when grounded
B	Input for a preamplifier tuning tone
C	Switches transceiver from receive to transmit when grounded
D	Input for a key used to send CW

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

28. - T7C09

Which of the following causes failure of coaxial cables?

Select	Answer
A	Moisture contamination
B	Operation at 100% duty cycle for an extended period
C	Rapid fluctuation in transmitter output power
D	Solder flux contamination

29. - T7D07

Which of the following measurements are made using a multimeter?

Select	Answer
A	Impedance and reactance
B	Voltage and resistance
C	Signal strength and noise
D	All these choices are correct

30. - T8A10

What is the approximate bandwidth of AM fast-scan TV transmissions?

Select	Answer
A	About 6 MHz
B	More than 10 MHz
C	About 1 MHz
D	About 3 MHz

31. - T8B06

Which of the following are inputs to a satellite tracking program?

Select	Answer
A	All these choices are correct
B	The Keplerian elements
C	The satellite transmitted power
D	The last observed time of zero Doppler shift

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	D-STAR
B	IRLP
C	DMR
D	EchoLink

33. - T8D05

Which of the following is an application of APRS?

Select	Answer
A	Providing information on the number of stations signed into a repeater
B	Showing automatically the number of packets transmitted via PACTOR during a specific time interval
C	Providing voice over internet connection between repeaters
D	Providing real-time tactical digital communications in conjunction with a map showing the locations of stations

34. - T9A07

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

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

35. - T9B08

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

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

Figure T-2