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

3. - T0C10

Why is duty cycle one of the factors used to determine safe RF radiation exposure levels?

Select	Answer
A	It takes into account the antenna feed line loss
B	It affects the average exposure to radiation
C	It affects the peak exposure to radiation
D	It takes into account the thermal effects of the final amplifier

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 no time
D	At any time, stations in the Amateur Radio Service are not protected from willful interference

5. - T1B10

Where may SSB phone be used in amateur bands above 50 MHz?

Select	Answer
A	Only in sub-bands allocated to General class or higher licensees
B	Only on repeaters
C	On any band if the power is limited to 25 watts
D	In at least some segment of all these bands

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

7. - T1D06

What, if any, are the restrictions concerning transmission of language that may be considered indecent or obscene?

Select	Answer
A	Any such language is prohibited
B	There is no such prohibition
C	The FCC maintains a list of words that are not permitted to be used on amateur frequencies
D	The ITU maintains a list of words that are not permitted to be used on amateur frequencies

8. - T1E10

Which of the following is an example of remote control as defined in Part 97?

Select	Answer
A	Controlling a model aircraft, boat, or car by amateur radio
B	Repeater operation
C	All these choices are correct
D	Operating the station over the internet

9. - T1F03

When are you required to transmit your assigned call sign?

Select	Answer
A	At least once during each transmission
B	At the beginning of each contact, and every 10 minutes thereafter
C	At least every 15 minutes during and at the end of a communication
D	At least every 10 minutes during and at the end of a communication

10. - T2A10

What is a band plan, beyond the privileges established by the FCC?

Select	Answer
A	A voluntary guideline for using different modes or activities within an amateur band
B	A list of operating schedules
C	A list of available net frequencies
D	A plan devised by a club to indicate frequency band usage

11. - T2B01

How is a VHF/UHF transceiver’s “reverse” function used?

Select	Answer
A	To reduce power output
B	To listen on a repeater’s input frequency
C	To increase power output
D	To listen on a repeater’s output frequency

12. - T2C05

What does the term “traffic” refer to in net operation?

Select	Answer
A	The number of stations checking in and out of a net
B	Requests to activate the net by a served agency
C	Messages exchanged by net stations
D	Operation by mobile or portable stations

13. - T3A12

What is the effect of fog and rain on signals in the 10 meter and 6 meter bands?

Select	Answer
A	Absorption
B	There is little effect
C	Deflection
D	Range increase

14. - T3B02

What property of a radio wave defines its polarization?

Select	Answer
A	The orientation of the electric field
B	The orientation of the magnetic field
C	The ratio of the velocity to the wavelength
D	The ratio of the energy in the magnetic field to the energy in the electric field

15. - T3C02

What is a characteristic of HF communication compared with communications on VHF and higher frequencies?

Select	Answer
A	Long-distance ionospheric propagation is far more common on HF
B	HF antennas are generally smaller
C	There is less atmospheric interference (static) on HF
D	HF accommodates wider bandwidth signals

16. - T4A03

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

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

17. - T4B01

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

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

18. - T5A02

Electrical power is measured in which of the following units?

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

19. - T5B12

Which is equal to 28400 kHz?

Select	Answer
A	284.00 MHz
B	28.400 MHz
C	2.800 MHz
D	28.400 kHz

20. - T5C02

What is the unit of capacitance?

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

21. - T5D04

What is the resistance of a circuit in which a current of 3 amperes flows when connected to 90 volts?

Select	Answer
A	30 ohms
B	270 ohms
C	3 ohms
D	93 ohms

22. - T6A06

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

Select	Answer
A	Diode
B	Capacitor
C	Inductor
D	Varistor

23. - T6B11

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

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

24. - T6C10

What is component 3 in figure T-3?

Select	Answer
A	Variable inductor
B	Meter
C	Connector
D	Variable capacitor

25. - T6D10

What is the function of component 2 in figure T-1?

Select	Answer
A	Supply electrical energy
B	Convert electrical energy into radio waves
C	Give off light when current flows through it
D	Control the flow of current

26. - T7A07

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

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

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

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 requires special techniques to prevent moisture in the cable
C	It cannot be used for VHF or UHF antennas
D	It cannot be used at below freezing temperatures

29. - T7D09

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

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

30. - T8A01

Which of the following is a form of amplitude modulation?

Select	Answer
A	Spread spectrum
B	Packet radio
C	Phase shift keying (PSK)
D	Single sideband

31. - T8B06

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

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

32. - T8C03

What operating activity involves contacting as many stations as possible during a specified period?

Select	Answer
A	Contesting
B	Simulated emergency exercises
C	Public service events
D	Net operations

33. - T8D04

What type of transmission is indicated by the term "NTSC?"

Select	Answer
A	A Normal Transmission mode in Static Circuit
B	An analog fast-scan color TV signal
C	A special mode for satellite uplink
D	A frame compression scheme for TV signals

34. - T9A02

Which of the following describes a type of antenna loading?

Select	Answer
A	Installing a spring in the base of a mobile vertical antenna to make it more flexible
B	Inserting a resistor in the radiating portion of the antenna to make it resonant
C	Electrically lengthening by inserting inductors in radiating elements
D	Strengthening the radiating elements of a beam antenna to better resist wind damage

35. - T9B03

Why is coaxial cable the most common feed line for amateur radio antenna systems?

Select	Answer
A	It is easy to use and requires few special installation considerations
B	It is less expensive than any other type of feed line
C	It can handle more power than any other type of feed line
D	It has less loss than any other type of feed line

Figure T-3

Figure T-1