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. - T0A10

What hazard is caused by charging or discharging a battery too quickly?

Select	Answer
A	Overheating or out-gassing
B	Inverse memory effect
C	Half-wave rectification
D	Excess output ripple

2. - T0B11

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

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

3. - T0C11

What is the definition of duty cycle during the averaging time for RF exposure?

Select	Answer
A	The percentage of time that a transmitter is not transmitting
B	The difference between the lowest power output and the highest power output of a transmitter
C	The difference between the PEP and average power output of a transmitter
D	The percentage of time that a transmitter is transmitting

4. - T1A07

What is the FCC Part 97 definition of a space station?

Select	Answer
A	An amateur station located more than 50 km above Earth's surface
B	A manned satellite orbiting Earth
C	An amateur station using amateur radio satellites for relay of signals
D	Any satellite orbiting Earth

5. - T1B02

Which amateurs may contact the International Space Station (ISS) on VHF bands?

Select	Answer
A	Any amateur holding a General class or higher license
B	Any amateur holding a Technician class or higher license
C	Any amateur holding a General class or higher license who has applied for and received approval from NASA
D	Any amateur holding a Technician class or higher license who has applied for and received approval from NASA

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	Immediately on receiving your Certificate of Successful Completion of Examination (CSCE)
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. - 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. - T1E05

What is an amateur station’s control point?

Select	Answer
A	The mailing address of the station licensee
B	The location of the station’s transmitting antenna
C	The location of the station’s transmitting apparatus
D	The location at which the control operator function is performed

9. - T1F11

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

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

10. - T2A11

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

Select	Answer
A	Full duplex
B	Diplex
C	Multiplex
D	Simplex

11. - T2B12

What is the purpose of the color code used on DMR repeater systems?

Select	Answer
A	Defines the minimum signal level required for access
B	Defines the frequency pair to use
C	Identifies the codec used
D	Must match the repeater color code for access

12. - T2C05

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

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

13. - T3A05

When using a directional antenna, how might your station be able to communicate with a distant repeater if buildings or obstructions are blocking the direct line of sight path?

Select	Answer
A	Change from vertical to horizontal polarization
B	Try the long path
C	Try to find a path that reflects signals to the repeater
D	Increase the antenna SWR

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	All these choices are correct
C	Traditional letter/number designators
D	Channel numbers

15. - T3C05

Which of the following effects may allow radio signals to travel beyond obstructions between the transmitting and receiving stations?

Select	Answer
A	Quantum tunneling
B	Knife-edge diffraction
C	Doppler shift
D	Faraday rotation

16. - T4A11

Where should the negative power return of a mobile transceiver be connected in a vehicle?

Select	Answer
A	At the 12 volt battery chassis ground
B	To any metal part of the vehicle
C	At the antenna mount
D	Through the transceiver’s mounting bracket

17. - T4B09

How is a specific group of stations selected on a digital voice transceiver?

Select	Answer
A	By retrieving the frequencies from transceiver memory
B	By activating automatic identification
C	By enabling the group’s CTCSS tone
D	By entering the group’s identification code

18. - T5A09

Which of the following describes alternating current?

Select	Answer
A	All these answers are correct
B	Current that alternates between positive and negative directions
C	Current that alternates between a negative direction and zero
D	Current that alternates between a positive direction and zero

19. - T5B08

Which is equal to 1,000,000 picofarads?

Select	Answer
A	0.001 microfarads
B	1 microfarad
C	1,000,000,000 microfarads
D	1000 microfarads

20. - T5C04

What is the unit of inductance?

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

21. - T5D06

What is the resistance of a circuit that draws 4 amperes from a 12-volt source?

Select	Answer
A	16 ohms
B	8 ohms
C	3 ohms
D	48 ohms

22. - T6A10

Which of the following battery chemistries is rechargeable?

Select	Answer
A	Lead-acid
B	Lithium-ion
C	All these choices are correct
D	Nickel-metal hydride

23. - T6B04

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

Select	Answer
A	Alternator
B	Pentagrid converter
C	Triode
D	Transistor

24. - T6C03

What is component 2 in figure T-1?

Select	Answer
A	Resistor
B	Transistor
C	Indicator lamp
D	Connector

25. - T6D11

Which of the following is a resonant or tuned circuit?

Select	Answer
A	A linear voltage regulator
B	An inductor and a capacitor in series or parallel
C	A circuit designed to provide high-fidelity audio
D	A resistor circuit used for reducing standing wave ratio

26. - T7A02

What is a transceiver?

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

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	Ferrite choke
B	Band-pass filter
C	Low-pass filter
D	Preamplifier

28. - T7C06

What does an SWR reading of 4:1 indicate?

Select	Answer
A	Impedance mismatch
B	Good impedance match
C	Loss of -4 dB
D	Gain of +4 dB

29. - T7D09

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

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

30. - T8A02

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

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

31. - T8B02

What is the impact of using excessive effective radiated power on a satellite uplink?

Select	Answer
A	Possibility of rebooting the satellite control computer
B	Blocking access by other users
C	Overloading the satellite batteries
D	Possibility of commanding the satellite to an improper mode

32. - T8C05

What is a grid locator?

Select	Answer
A	An instrument for neutralizing a final amplifier
B	An instrument for radio direction finding
C	A letter-number designator assigned to a geographic location
D	A letter-number designator assigned to an azimuth and elevation

33. - T8D08

Which of the following is included in packet radio transmissions?

Select	Answer
A	All these choices are correct
B	A check sum that permits error detection
C	Automatic repeat request in case of error
D	A header that contains the call sign of the station to which the information is being sent

34. - T9A05

Which of the following increases the resonant frequency of a dipole antenna?

Select	Answer
A	Inserting coils in series with radiating wires
B	Shortening it
C	Lengthening it
D	Adding capacitive loading to the ends of the radiating wires

35. - T9B12

What is standing wave ratio (SWR)?

Select	Answer
A	An indication of the quality of your station’s ground connection
B	The transmitter efficiency ratio
C	The ratio of amplifier power output to input
D	A measure of how well a load is matched to a transmission line

Figure T-1