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. - T0A04

What is the purpose of a fuse in an electrical circuit?

Select	Answer
A	All these choices are correct
B	To remove power in case of overload
C	To prevent power supply ripple from damaging a component
D	To limit current to prevent shocks

2. - T0B03

Under what circumstances is it safe to climb a tower without a helper or observer?

Select	Answer
A	Never
B	When no mechanical work is being performed
C	When the work being done is not more than 20 feet above the ground
D	When no electrical work is being performed

3. - T0C10

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

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

4. - T1A08

Which of the following entities recommends transmit/receive channels and other parameters for auxiliary and repeater stations?

Select	Answer
A	Volunteer Frequency Coordinator recognized by local amateurs
B	International Telecommunication Union
C	Frequency Spectrum Manager appointed by the FCC
D	FCC Regional Field Office

5. - T1B08

How are US amateurs restricted in segments of bands where the Amateur Radio Service is secondary?

Select	Answer
A	U.S. amateurs may find non-amateur stations in those segments, and must avoid interfering with them
B	International communications are not permitted in those segments
C	Digital transmissions are not permitted in those segments
D	U.S. amateurs must give foreign amateur stations priority in those segments

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

7. - T1D11

When may an amateur station transmit without identifying on the air?

Select	Answer
A	When the transmitted power level is below 1 watt
B	When the transmissions are unmodulated
C	When transmitting signals to control model craft
D	When the transmissions are of a brief nature to make station adjustments

8. - T1E02

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

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

9. - T1F06

Which of the following self-assigned indicators are acceptable when using a phone transmission?

Select	Answer
A	KL7CC slant W3
B	KL7CC stroke W3
C	All these choices are correct
D	KL7CC slash W3

10. - T2A11

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

Select	Answer
A	Diplex
B	Multiplex
C	Simplex
D	Full duplex

11. - T2B05

What would cause your FM transmission audio to be distorted on voice peaks?

Select	Answer
A	Your repeater offset is inverted
B	You need to talk louder
C	You are talking too loudly
D	Your transmit power is too high

12. - T2C07

Which of the following is standard practice when you participate in a net?

Select	Answer
A	When first responding to the net control station, transmit your call sign, name, and address as in the FCC database
B	All these choices are correct
C	Record the time of each of your transmissions
D	Unless you are reporting an emergency, transmit only when directed by the net control station

13. - T3A08

What is a likely cause of irregular fading of signals propagated by the ionosphere?

Select	Answer
A	Random combining of signals arriving via different paths
B	Intermodulation distortion
C	Interference from thunderstorms
D	Frequency shift due to Faraday rotation

14. - T3B01

What is the relationship between the electric and magnetic fields of an electromagnetic wave?

Select	Answer
A	They revolve in opposite directions
B	They are in parallel
C	They are at right angles
D	They travel at different speeds

15. - T3C02

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

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

16. - T4A02

Which of the following should be considered when selecting an accessory SWR meter?

Select	Answer
A	All these choices are correct
B	The types of modulation being used at the station
C	The distance that the meter will be located from the antenna
D	The frequency and power level at which the measurements will be made

17. - T4B01

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

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

18. - T5A01

Electrical current is measured in which of the following units?

Select	Answer
A	Volts
B	Watts
C	Amperes
D	Ohms

19. - T5B02

Which is equal to 1,500,000 hertz?

Select	Answer
A	15 GHz
B	1500 kHz
C	1500 MHz
D	150 kHz

20. - T5C08

What is the formula used to calculate electrical power (P) in a DC circuit?

Select	Answer
A	P = E – I
B	P = E / I
C	P = I  E
D	P = I + E

21. - T5D03

What formula is used to calculate resistance in a circuit?

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

22. - T6A06

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

Select	Answer
A	Diode
B	Inductor
C	Varistor
D	Capacitor

23. - T6B08

What does the abbreviation FET stand for?

Select	Answer
A	Free Electron Transmitter
B	Field Effect Transistor
C	Frequency Emission Transmitter
D	Fast Electron Transistor

24. - T6C06

What is component 6 in figure T-2?

Select	Answer
A	Transistor
B	Regulator IC
C	Resistor
D	Capacitor

25. - T6D10

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

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

26. - T7A03

Which of the following is used to convert a signal from one frequency to another?

Select	Answer
A	Inverter
B	Amplifier
C	Phase splitter
D	Mixer

27. - T7B04

Which of the following could you use to cure distorted audio caused by RF current on the shield of a microphone cable?

Select	Answer
A	Low-pass filter
B	Ferrite choke
C	Preamplifier
D	Band-pass filter

28. - T7C07

What happens to power lost in a feed line?

Select	Answer
A	It is radiated as harmonics
B	It distorts the signal
C	It is converted into heat
D	It increases the SWR

29. - T7D06

Which of the following can damage a multimeter?

Select	Answer
A	Not allowing it to warm up properly
B	Failing to connect one of the probes to ground
C	Attempting to measure voltage when using the resistance setting
D	Attempting to measure resistance using the voltage setting

30. - T8A02

What type of modulation is commonly used for VHF packet radio transmissions?

Select	Answer
A	SSB
B	PSK
C	FM or PM
D	AM

31. - T8B06

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

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

32. - T8C11

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

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

33. - T8D13

What is FT8?

Select	Answer
A	An eight channel multiplex mode for FM repeaters
B	A digital slow-scan TV mode with forward error correction and automatic color compensation
C	A wideband FM voice mode
D	A digital mode capable of low signal-to-noise operation

34. - T9A12

What is an advantage of a 5/8 wavelength whip antenna for VHF or UHF mobile service?

Select	Answer
A	It has 10 times the power gain of a 1/4 wavelength whip
B	It has more gain than a 1/4-wavelength antenna
C	It eliminates distortion caused by reflected signals
D	It radiates at a very high angle

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 increases
C	The loss decreases
D	The characteristic impedance increases

Figure T-2

Figure T-1