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

2. - T0B04

Which of the following is an important safety precaution to observe when putting up an antenna tower?

Select	Answer
A	Look for and stay clear of any overhead electrical wires
B	All these choices are correct
C	Wear a ground strap connected to your wrist at all times
D	Insulate the base of the tower to avoid lightning strikes

3. - T0C09

How can you make sure your station stays in compliance with RF safety regulations?

Select	Answer
A	By re-evaluating the station whenever an item in the transmitter or antenna system is changed
B	By making sure your antennas have low SWR
C	All these choices are correct
D	By informing the FCC of any changes made in your station

4. - T1A10

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

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

5. - T1B11

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

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

6. - T1C03

What types of international communications are an FCC-licensed amateur radio station permitted to make?

Select	Answer
A	Only communications incidental to contest exchanges; all other communications are prohibited
B	Communications incidental to the purposes of the Amateur Radio Service and remarks of a personal character
C	Any communications that would be permitted by an international broadcast station
D	Communications incidental to conducting business or remarks of a personal nature

7. - T1D08

In which of the following circumstances may the control operator of an amateur station receive compensation for operating that station?

Select	Answer
A	All these choices are correct
B	When the communication is made to obtain emergency information for a local broadcast station
C	When the communication is incidental to classroom instruction at an educational institution
D	When the communication is related to the sale of amateur equipment by the control operator's employer

8. - T1E03

Who must designate the station control operator?

Select	Answer
A	The frequency coordinator
B	Any licensed operator
C	The FCC
D	The station licensee

9. - T1F01

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

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

10. - T2A06

Which of the following is required when making on-the-air test transmissions?

Select	Answer
A	All these choices are correct
B	Identify the transmitting station
C	Notify the FCC of the transmissions
D	Conduct tests only between 10 p.m. and 6 a.m. local time

11. - T2B09

Why are simplex channels designated in the VHF/UHF band plans?

Select	Answer
A	For working DX only
B	So stations with simple transmitters can access the repeater without automated offset
C	So stations within range of each other can communicate without tying up a repeater
D	For contest operation

12. - T2C08

Which of the following is a characteristic of good traffic handling?

Select	Answer
A	Ensuring that any newsworthy messages are relayed to the news media
B	Passing messages exactly as received
C	All these choices are correct
D	Making decisions as to whether messages are worthy of relay or delivery

13. - T3A09

Which of the following results from the fact that signals propagated by the ionosphere are elliptically polarized?

Select	Answer
A	Digital modes are unusable
B	FM voice is unusable
C	Either vertically or horizontally polarized antennas may be used for transmission or reception
D	Both the transmitting and receiving antennas must be of the same polarization

14. - T3B03

What are the two components of a radio wave?

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

15. - T3C09

What is generally the best time for long-distance 10 meter band propagation via the F region?

Select	Answer
A	From shortly after sunset to dawn during periods of high sunspot activity
B	From shortly after sunset to dawn during periods of low sunspot activity
C	From dawn to shortly after sunset during periods of low sunspot activity
D	From dawn to shortly after sunset during periods of high sunspot activity

16. - T4A06

What signals are used in a computer-radio interface for digital mode operation?

Select	Answer
A	Antenna and RF power
B	Receive and transmit mode, status, and location
C	Receive audio, transmit audio, and transmitter keying
D	NMEA GPS location and DC power

17. - T4B03

How is squelch adjusted so that a weak FM signal can be heard?

Select	Answer
A	Enable squelch enhancement
B	Turn up the audio level until it overcomes the squelch threshold
C	Turn on the anti-squelch function
D	Set the squelch threshold so that receiver output audio is on all the time

18. - T5A12

What describes the number of times per second that an alternating current makes a complete cycle?

Select	Answer
A	Frequency
B	Speed
C	Wavelength
D	Pulse rate

19. - T5B08

Which is equal to 1,000,000 picofarads?

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

20. - T5C05

What is the unit of impedance?

Select	Answer
A	The volt
B	The coulomb
C	The ampere
D	The ohm

21. - T5D05

What is the resistance of a circuit for which the applied voltage is 12 volts and the current flow is 1.5 amperes?

Select	Answer
A	13.5 ohms
B	0.125 ohms
C	18 ohms
D	8 ohms

22. - T6A07

What electrical component is typically constructed as a coil of wire?

Select	Answer
A	Inductor
B	Switch
C	Diode
D	Capacitor

23. - T6B12

What are the names of the electrodes of a bipolar junction transistor?

Select	Answer
A	Signal, bias, power
B	Input, output, supply
C	Emitter, base, collector
D	Pole one, pole two, output

24. - T6C10

What is component 3 in figure T-3?

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

25. - T6D01

Which of the following devices or circuits changes an alternating current into a varying direct current signal?

Select	Answer
A	Amplifier
B	Reflector
C	Transformer
D	Rectifier

26. - T7A10

What device increases the transmitted output power from a transceiver?

Select	Answer
A	A voltage divider
B	All these choices are correct
C	An impedance network
D	An RF power amplifier

27. - T7B09

What should be the first step to resolve non-fiber optic cable TV interference caused by your amateur radio transmission?

Select	Answer
A	Be sure all TV feed line coaxial connectors are installed properly
B	Add a preamplifier to the TV antenna input
C	Add a high-pass filter to the TV antenna input
D	Add a low-pass filter to the TV antenna input

28. - T7C04

What reading on an SWR meter indicates a perfect impedance match between the antenna and the feed line?

Select	Answer
A	50:50
B	Full Scale
C	Zero
D	1:1

29. - T7D04

Which instrument is used to measure electric current?

Select	Answer
A	An electrometer
B	An ammeter
C	A voltmeter
D	An ohmmeter

30. - T8A08

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

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

31. - T8B02

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

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

32. - T8C06

How is over the air access to IRLP nodes accomplished?

Select	Answer
A	By obtaining a password that is sent via voice to the node
B	By entering the proper internet password
C	By using DTMF signals
D	By using CTCSS tone codes

33. - T8D04

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

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

34. - T9A06

Which of the following types of antenna offers the greatest gain?

Select	Answer
A	J pole
B	5/8 wave vertical
C	Yagi
D	Isotropic

35. - T9B10

What is the electrical difference between RG-58 and RG-213 coaxial cable?

Select	Answer
A	There is no significant difference between the two types
B	RG-58 cable can handle higher power levels
C	RG-213 cable has less loss at a given frequency
D	RG-58 cable has two shields

Figure T-3