US Amateur Radio - Technician (Element 2, 2022-2026) Practice Test

Anonymous User

US Amateur Radio - Technician (Element 2, 2022-2026) Practice Test

Logging in (or registering) will help the system to select questions that you need to focus on.

1. - T0A10

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

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

2. - T0B09

Why should you avoid attaching an antenna to a utility pole?

Select	Answer
A	The 60 Hz radiations from the feed line may increase the SWR
B	The antenna will not work properly because of induced voltages
C	All these choices are correct
D	The antenna could contact high-voltage power lines

3. - T0C07

What hazard is created by touching an antenna during a transmission?

Select	Answer
A	Electrocution
B	RF burn to skin
C	Radiation poisoning
D	All these choices are correct

4. - T1A06

What is the FCC Part 97 definition of a beacon?

Select	Answer
A	A continuous transmission of weather information authorized in the amateur bands by the National Weather Service
B	A government transmitter marking the amateur radio band edges
C	A bulletin sent by the FCC to announce a national emergency
D	An amateur station transmitting communications for the purposes of observing propagation or related experimental activities

5. - T1B08

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

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

6. - T1C05

Which of the following is a valid Technician class call sign format?

Select	Answer
A	KF1XXX
B	KA1X
C	W1XX
D	All these choices are correct

7. - T1D05

When may amateur radio operators use their stations to notify other amateurs of the availability of equipment for sale or trade?

Select	Answer
A	When selling amateur radio equipment and not on a regular basis
B	Never
C	When the equipment is not the personal property of either the station licensee, or the control operator, or their close relatives
D	When no profit is made on the sale

8. - T1E10

Which of the following is an example of remote control as defined in Part 97?

Select	Answer
A	Operating the station over the internet
B	Controlling a model aircraft, boat, or car by amateur radio
C	All these choices are correct
D	Repeater operation

9. - T1F09

What type of amateur station simultaneously retransmits the signal of another amateur station on a different channel or channels?

Select	Answer
A	Beacon station
B	Repeater station
C	Message forwarding station
D	Earth station

10. - T2A10

What is a band plan, beyond the privileges established by the FCC?

Select	Answer
A	A voluntary guideline for using different modes or activities within an amateur band
B	A list of operating schedules
C	A plan devised by a club to indicate frequency band usage
D	A list of available net frequencies

11. - T2B09

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

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

12. - T2C11

What is meant by “check” in a radiogram header?

Select	Answer
A	The call sign of the originating station
B	A box on the message form that indicates that the message was received and/or relayed
C	A list of stations that have relayed the message
D	The number of words or word equivalents in the text portion of the message

13. - T3A01

Why do VHF signal strengths sometimes vary greatly when the antenna is moved only a few feet?

Select	Answer
A	VHF ionospheric propagation is very sensitive to path length
B	Multipath propagation cancels or reinforces signals
C	All these choices are correct
D	The signal path encounters different concentrations of water vapor

14. - T3B01

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

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

15. - T3C02

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

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

16. - T4A05

Where should an RF power meter be installed?

Select	Answer
A	At the power supply output
B	In the feed line, between the transmitter and antenna
C	In parallel with the push-to-talk line and the antenna
D	In the power supply cable, as close as possible to the radio

17. - T4B12

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

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

18. - T5A10

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

Select	Answer
A	Resistance
B	Power
C	Voltage
D	Current

19. - T5B12

Which is equal to 28400 kHz?

Select	Answer
A	2.800 MHz
B	284.00 MHz
C	28.400 MHz
D	28.400 kHz

20. - T5C01

What describes the ability to store energy in an electric field?

Select	Answer
A	Inductance
B	Capacitance
C	Resistance
D	Tolerance

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	8 ohms
B	18 ohms
C	13.5 ohms
D	0.125 ohms

22. - T6A09

What electrical component is used to protect other circuit components from current overloads?

Select	Answer
A	All these choices are correct
B	Thyratron
C	Fuse
D	Varactor

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	Transistor
B	Connector
C	Indicator lamp
D	Resistor

25. - T6D04

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

Select	Answer
A	Relay
B	Meter
C	Potentiometer
D	Transistor

26. - T7A05

What is the name of a circuit that generates a signal at a specific frequency?

Select	Answer
A	Oscillator
B	Low-pass filter
C	Reactance modulator
D	Phase modulator

27. - T7B11

What is a symptom of RF feedback in a transmitter or transceiver?

Select	Answer
A	Reports of garbled, distorted, or unintelligible voice transmissions
B	Excessive SWR at the antenna connection
C	The transmitter will not stay on the desired frequency
D	Frequent blowing of power supply fuses

28. - T7C07

What happens to power lost in a feed line?

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

29. - T7D06

Which of the following can damage a multimeter?

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

30. - T8A08

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

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

31. - T8B12

Which of the following is a way to determine whether your satellite uplink power is neither too low nor too high?

Select	Answer
A	Check your signal strength report in the telemetry data
B	Listen for distortion on your downlink signal
C	All these choices are correct
D	Your signal strength on the downlink should be about the same as the beacon

32. - T8C04

Which of the following is good procedure when contacting another station in a contest?

Select	Answer
A	All these choices are correct
B	Sign only the last two letters of your call if there are many other stations calling
C	Send only the minimum information needed for proper identification and the contest exchange
D	Contact the station twice to be sure that you are in his log

33. - T8D05

Which of the following is an application of APRS?

Select	Answer
A	Providing real-time tactical digital communications in conjunction with a map showing the locations of stations
B	Providing voice over internet connection between repeaters
C	Providing information on the number of stations signed into a repeater
D	Showing automatically the number of packets transmitted via PACTOR during a specific time interval

34. - T9A01

What is a beam antenna?

Select	Answer
A	An antenna that concentrates signals in one direction
B	An antenna built from aluminum I-beams
C	An omnidirectional antenna invented by Clarence Beam
D	An antenna that reverses the phase of received signals

35. - T9B08

Which of the following is a source of loss in coaxial feed line?

Select	Answer
A	All these choices are correct
B	High SWR
C	Multiple connectors in the line
D	Water intrusion into coaxial connectors

Figure T-1