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. - T0A05

Why should a 5-ampere fuse never be replaced with a 20-ampere fuse?

Select	Answer
A	Excessive current could cause a fire
B	All these choices are correct
C	The larger fuse would be likely to blow because it is rated for higher current
D	The power supply ripple would greatly increase

2. - T0B11

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

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

3. - T0C06

Which of the following is an acceptable method to determine whether your station complies with FCC RF exposure regulations?

Select	Answer
A	By calculation based on FCC OET Bulletin 65
B	By measurement of field strength using calibrated equipment
C	All these choices are correct
D	By calculation based on computer modeling

4. - T1A10

What is the Radio Amateur Civil Emergency Service (RACES)?

Select	Answer
A	All these choices are correct
B	A radio service using amateur stations for emergency management or civil defense communications
C	An emergency service using amateur operators certified by a civil defense organization as being enrolled in that organization
D	A radio service using amateur frequencies for emergency management or civil defense communications

5. - T1B11

What is the maximum peak envelope power output for Technician class operators in their HF band segments?

Select	Answer
A	100 watts
B	10 watts
C	50 watts
D	200 watts

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	Immediately on receiving your Certificate of Successful Completion of Examination (CSCE)
D	As soon as your operator/station license grant appears on the ARRL website

7. - T1D11

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

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

8. - T1E08

Which of the following is an example of automatic control?

Select	Answer
A	Repeater operation
B	Using a computer or other device to identify automatically
C	Using a computer or other device to send CW automatically
D	Controlling a station over the internet

9. - T1F03

When are you required to transmit your assigned call sign?

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

10. - T2A07

What is meant by "repeater offset”?

Select	Answer
A	The repeater has a time delay to prevent interference
B	The number of simultaneous transmit frequencies used by a repeater
C	The repeater station identification is done on a separate frequency
D	The difference between a repeater’s transmit and receive frequencies

11. - T2B13

What is the purpose of a squelch function?

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

12. - T2C04

What is RACES?

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

13. - T3A07

What weather condition might decrease range at microwave frequencies?

Select	Answer
A	Colder temperatures
B	High winds
C	Low barometric pressure
D	Precipitation

14. - T3B03

What are the two components of a radio wave?

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

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	There is less atmospheric interference (static) on HF
C	HF accommodates wider bandwidth signals
D	Long-distance ionospheric propagation is far more common on HF

16. - T4A02

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

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

17. - T4B08

What is the advantage of having multiple receive bandwidth choices on a multimode transceiver?

Select	Answer
A	Increases the amount of offset between receive and transmit frequencies
B	Permits monitoring several modes at once by selecting a separate filter for each mode
C	Permits noise or interference reduction by selecting a bandwidth matching the mode
D	Increases the number of frequencies that can be stored in memory

18. - T5A10

Which term describes the rate at which electrical energy is used?

Select	Answer
A	Resistance
B	Current
C	Power
D	Voltage

19. - T5B07

Which is equal to 3.525 MHz?

Select	Answer
A	3525 kHz
B	35.25 kHz
C	3,525,000 kHz
D	0.003525 kHz

20. - T5C02

What is the unit of capacitance?

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

21. - T5D08

What is the current through a 100-ohm resistor connected across 200 volts?

Select	Answer
A	0.5 amperes
B	2 amperes
C	100 amperes
D	20,000 amperes

22. - T6A04

What electrical component stores energy in an electric field?

Select	Answer
A	Diode
B	Capacitor
C	Varistor
D	Inductor

23. - T6B09

What are the names for the electrodes of a diode?

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

24. - T6C07

What is component 8 in figure T-2?

Select	Answer
A	Regulator IC
B	Light emitting diode
C	Inductor
D	Resistor

25. - T6D03

Which of the following is a reason to use shielded wire?

Select	Answer
A	To prevent coupling of unwanted signals to or from the wire
B	To decrease the resistance of DC power connections
C	To couple the wire to other signals
D	To increase the current carrying capability of the wire

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	Phase modulator
D	Oscillator

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

28. - T7C01

What is the primary purpose of a dummy load?

Select	Answer
A	To improve the signal-to-noise ratio of a receiver
B	To prevent transmitting signals over the air when making tests
C	To prevent over-modulation of a transmitter
D	To improve the efficiency of an antenna

29. - T7D11

Which of the following precautions should be taken when measuring in-circuit resistance with an ohmmeter?

Select	Answer
A	Ensure that the applied voltages are correct
B	Ensure that the circuit is grounded
C	Ensure that the circuit is operating at the correct frequency
D	Ensure that the circuit is not powered

30. - T8A08

What is the approximate bandwidth of a typical single sideband (SSB) voice signal?

Select	Answer
A	1 kHz
B	3 kHz
C	15 kHz
D	6 kHz

31. - T8B10

What is a LEO satellite?

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

32. - T8C02

Which of these items would be useful for a hidden transmitter hunt?

Select	Answer
A	A calibrated noise bridge
B	A directional antenna
C	Calibrated SWR meter
D	All these choices are correct

33. - T8D01

Which of the following is a digital communications mode?

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

34. - T9A04

What is a disadvantage of the short, flexible antenna supplied with most handheld radio transceivers, compared to a full-sized quarter-wave antenna?

Select	Answer
A	It has low efficiency
B	It is mechanically fragile
C	All these choices are correct
D	It transmits only circularly polarized signals

35. - T9B11

Which of the following types of feed line has the lowest loss at VHF and UHF?

Select	Answer
A	50-ohm flexible coax
B	Multi-conductor unbalanced cable
C	Air-insulated hardline
D	75-ohm flexible coax

Figure T-2