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. - T0A06

What is a good way to guard against electrical shock at your station?

Select	Answer
A	Install mechanical interlocks in high-voltage circuits
B	Use three-wire cords and plugs for all AC powered equipment
C	Connect all AC powered station equipment to a common safety ground
D	All these choices are correct

2. - T0B02

What is required when climbing an antenna tower?

Select	Answer
A	Use appropriate tie-off to the tower at all times
B	Always wear an approved climbing harness
C	All these choices are correct
D	Have sufficient training on safe tower climbing techniques

3. - T0C08

Which of the following actions can reduce exposure to RF radiation?

Select	Answer
A	Increase the duty cycle
B	All these choices are correct
C	Relocate antennas
D	Relocate the transmitter

4. - T1A11

When is willful interference to other amateur radio stations permitted?

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

5. - T1B03

Which frequency is in the 6 meter amateur band?

Select	Answer
A	28.50 MHz
B	52.525 MHz
C	222.15 MHz
D	49.00 MHz

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 have a copy of your license available at your station
C	Failure to provide and maintain a correct email address with the FCC
D	Failure to obtain FCC type acceptance prior to using a home-built transmitter

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

8. - T1E01

When may an amateur station transmit without a control operator?

Select	Answer
A	When using automatic control, such as in the case of a repeater
B	When the station licensee is away and another licensed amateur is using the station
C	Never
D	When the transmitting station is an auxiliary station

9. - T1F11

Which of the following is a requirement for the issuance of a club station license grant?

Select	Answer
A	The trustee must have an Amateur Extra Class operator license grant
B	The club must have at least four members
C	All these choices are correct
D	The club must be registered with the American Radio Relay League

10. - T2A09

Which of the following indicates that a station is listening on a repeater and looking for a contact?

Select	Answer
A	The repeater call sign followed by the station’s call sign
B	“QSY” followed by your call sign
C	“CQ CQ” followed by the repeater’s call sign
D	The station’s call sign followed by the word “monitoring”

11. - T2B03

Which of the following describes a linked repeater network?

Select	Answer
A	A system of repeaters linked by APRS
B	Multiple repeaters with the same control operator
C	A single repeater with more than one receiver
D	A network of repeaters in which signals received by one repeater are transmitted by all the repeaters in the network

12. - T2C04

What is RACES?

Select	Answer
A	An international radio experimentation society
B	An emergency organization combining amateur radio and citizens band operators and frequencies
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. - T3A02

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

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

14. - T3B09

What frequency range is referred to as UHF?

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

15. - T3C01

Why are simplex UHF signals rarely heard beyond their radio horizon?

Select	Answer
A	They are too weak to go very far
B	UHF signals are usually not propagated by the ionosphere
C	UHF signals are absorbed by the ionospheric D region
D	FCC regulations prohibit them from going more than 50 miles

16. - T4A09

How can you determine the length of time that equipment can be powered from a battery?

Select	Answer
A	Divide the watt-hour rating of the battery by the peak power consumption of the equipment
B	Divide the battery ampere-hour rating by the average current draw of the equipment
C	Multiply the square of the current rating of the battery by the input resistance of the equipment
D	Multiply the watts per hour consumed by the equipment by the battery power rating

17. - T4B06

Which of the following controls could be used if the voice pitch of a single-sideband signal returning to your CQ call seems too high or low?

Select	Answer
A	The bandwidth selection
B	The tone squelch
C	The RIT or Clarifier
D	The AGC or limiter

18. - T5A05

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

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

19. - T5B13

Which is equal to 2425 MHz?

Select	Answer
A	2.425 GHz
B	24.25 GHz
C	0.002425 GHz
D	2425 GHz

20. - T5C11

How much current is required to deliver 120 watts at a voltage of 12 volts DC?

Select	Answer
A	132 amperes
B	0.1 amperes
C	12 amperes
D	10 amperes

21. - T5D10

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

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

22. - T6A12

What type of switch is represented by component 3 in figure T-2?

Select	Answer
A	Double-pole double-throw
B	Single-pole double-throw
C	Double-pole single-throw
D	Single-pole single-throw

23. - T6B02

What electronic component allows current to flow in only one direction?

Select	Answer
A	Diode
B	Fuse
C	Resistor
D	Driven element

24. - T6C08

What is component 9 in figure T-2?

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

25. - T6D09

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

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

26. - T7A11

Where is an RF preamplifier installed?

Select	Answer
A	Between the antenna and receiver
B	Between the transmitter and the antenna tuner
C	At the output of the transmitter power amplifier
D	At the output of the receiver audio amplifier

27. - T7B10

What might be a problem if you receive a report that your audio signal through an FM repeater is distorted or unintelligible?

Select	Answer
A	Your transmitter is slightly off frequency
B	Your batteries are running low
C	All these choices are correct
D	You are in a bad location

28. - T7C10

Why should the outer jacket of coaxial cable be resistant to ultraviolet light?

Select	Answer
A	Ultraviolet light can increase losses in the cable’s jacket
B	Ultraviolet resistant jackets prevent harmonic radiation
C	Ultraviolet and RF signals can mix, causing interference
D	Ultraviolet light can damage the jacket and allow water to enter the cable

29. - T7D07

Which of the following measurements are made using a multimeter?

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

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 are easier to tune in correctly
D	SSB signals have narrower bandwidth

31. - T8B11

Who may receive telemetry from a space station?

Select	Answer
A	A licensed radio amateur with a transmitter equipped for interrogating the satellite
B	A licensed radio amateur who has registered for an access code from AMSAT
C	A licensed radio amateur who has been certified by the protocol developer
D	Anyone

32. - T8C04

Which of the following is good procedure when contacting another station in a contest?

Select	Answer
A	Sign only the last two letters of your call if there are many other stations calling
B	All these choices are correct
C	Contact the station twice to be sure that you are in his log
D	Send only the minimum information needed for proper identification and the contest exchange

33. - T8D06

What does the abbreviation "PSK" mean?

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

34. - T9A07

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

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

35. - T9B05

What happens as the frequency of a signal in coaxial cable is increased?

Select	Answer
A	The characteristic impedance decreases
B	The loss decreases
C	The characteristic impedance increases
D	The loss increases

Figure T-2