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. - T0A02

What health hazard is presented by electrical current flowing through the body?

Select	Answer
A	It may cause injury by heating tissue
B	All these choices are correct
C	It may cause involuntary muscle contractions
D	It may disrupt the electrical functions of cells

2. - T0B11

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

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

3. - T0C03

How does the allowable power density for RF safety change if duty cycle changes from 100 percent to 50 percent?

Select	Answer
A	It increases by a factor of 3
B	It decreases by 50 percent
C	There is no adjustment allowed for lower duty cycle
D	It increases by a factor of 2

4. - T1A09

Who selects a Frequency Coordinator?

Select	Answer
A	The local chapter of the Office of National Council of Independent Frequency Coordinators
B	Amateur operators in a local or regional area whose stations are eligible to be repeater or auxiliary stations
C	FCC Regional Field Office
D	The FCC Office of Spectrum Management and Coordination Policy

5. - T1B03

Which frequency is in the 6 meter amateur band?

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

6. - T1C08

What is the normal term for an FCC-issued amateur radio license?

Select	Answer
A	Life
B	Ten years
C	Five years
D	Eight years

7. - T1D11

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

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

8. - T1E09

Which of the following are required for remote control operation?

Select	Answer
A	All these choices are correct
B	A control operator is required at all times
C	The control operator must indirectly manipulate the controls
D	The control operator must be at the control point

9. - T1F01

When must the station and its records be available for FCC inspection?

Select	Answer
A	At any time upon request by an FCC representative
B	Only when presented with a valid warrant by an FCC official or government agent
C	At any time ten days after notification by the FCC of such an inspection
D	At any time after written notification by the FCC of such inspection

10. - T2A03

What is a common repeater frequency offset in the 70 cm band?

Select	Answer
A	Plus or minus 500 kHz
B	Plus or minus 600 kHz
C	Plus or minus 5 MHz
D	Plus or minus 1 MHz

11. - T2B07

How can you join a digital repeater’s “talkgroup”?

Select	Answer
A	Sign your call after the courtesy tone
B	Register your radio with the local FCC office
C	Program your radio with the group’s ID or code
D	Join the repeater owner’s club

12. - T2C04

What is RACES?

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

13. - T3A02

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

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

14. - T3B07

In addition to frequency, which of the following is used to identify amateur radio bands?

Select	Answer
A	The approximate wavelength in meters
B	Channel numbers
C	Traditional letter/number designators
D	All these choices are correct

15. - T3C11

Why is the radio horizon for VHF and UHF signals more distant than the visual horizon?

Select	Answer
A	Radio waves are blocked by dust particles
B	The atmosphere refracts radio waves slightly
C	Radio signals move somewhat faster than the speed of light
D	Radio waves are not blocked by dust particles

16. - T4A02

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

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

17. - T4B12

What is the result of tuning an FM receiver above or below a signal’s frequency?

Select	Answer
A	Generation of a heterodyne tone
B	Sideband inversion
C	Change in audio pitch
D	Distortion of the signal’s audio

18. - T5A02

Electrical power is measured in which of the following units?

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

19. - T5B01

How many milliamperes is 1.5 amperes?

Select	Answer
A	15 milliamperes
B	150 milliamperes
C	15,000 milliamperes
D	1500 milliamperes

20. - T5C08

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

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

21. - T5D07

What is the current in a circuit with an applied voltage of 120 volts and a resistance of 80 ohms?

Select	Answer
A	0.667 amperes
B	200 amperes
C	9600 amperes
D	1.5 amperes

22. - T6A11

Which of the following battery chemistries is not rechargeable?

Select	Answer
A	Lithium-ion
B	Nickel-cadmium
C	Lead-acid
D	Carbon-zinc

23. - T6B04

Which of the following components can consist of three regions of semiconductor material?

Select	Answer
A	Pentagrid converter
B	Alternator
C	Transistor
D	Triode

24. - T6C08

What is component 9 in figure T-2?

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

25. - T6D04

Which of the following displays an electrical quantity as a numeric value?

Select	Answer
A	Meter
B	Potentiometer
C	Relay
D	Transistor

26. - T7A02

What is a transceiver?

Select	Answer
A	A device for automatically sending and decoding Morse code
B	A device for matching feed line impedance to 50 ohms
C	A device for converting receiver and transmitter frequencies to another band
D	A device that combines a receiver and transmitter

27. - T7B01

What can you do if you are told your FM handheld or mobile transceiver is over-deviating?

Select	Answer
A	Change to a higher power level
B	Talk farther away from the microphone
C	Let the transceiver cool off
D	Talk louder into the microphone

28. - T7C08

Which instrument can be used to determine SWR?

Select	Answer
A	Ohmmeter
B	Voltmeter
C	Directional wattmeter
D	Iambic pentameter

29. - T7D02

How is a voltmeter connected to a component to measure applied voltage?

Select	Answer
A	In phase
B	In parallel
C	In series
D	In quadrature

30. - T8A01

Which of the following is a form of amplitude modulation?

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

31. - T8B07

What is Doppler shift in reference to satellite communications?

Select	Answer
A	A mode where the satellite receives signals on one band and transmits on another
B	An observed change in signal frequency caused by relative motion between the satellite and Earth station
C	A change in the satellite orbit
D	A special digital communications mode for some satellites

32. - T8C08

What is the Internet Radio Linking Project (IRLP)?

Select	Answer
A	A system for providing access to websites via amateur radio
B	A technique to connect amateur radio systems, such as repeaters, via the internet using Voice Over Internet Protocol (VoIP)
C	A technique for measuring signal strength of an amateur transmitter via the internet
D	A system for informing amateurs in real time of the frequency of active DX stations

33. - T8D01

Which of the following is a digital communications mode?

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

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	Strengthening the radiating elements of a beam antenna to better resist wind damage
C	Electrically lengthening by inserting inductors in radiating elements
D	Inserting a resistor in the radiating portion of the antenna to make it resonant

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	75-ohm flexible coax
C	Multi-conductor unbalanced cable
D	Air-insulated hardline

Figure T-2