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. - T0A09

What should be done to all external ground rods or earth connections?

Select	Answer
A	Bond them together with heavy wire or conductive strap
B	Tune them for resonance on the lowest frequency of operation
C	Keep them as far apart as possible
D	Waterproof them with silicone caulk or electrical tape

2. - T0B06

What is the minimum safe distance from a power line to allow when installing an antenna?

Select	Answer
A	Add the height of the antenna to the height of the power line and multiply by a factor of 1.5
B	Enough so that if the antenna falls, no part of it can come closer than 10 feet to the power wires
C	The height of the power line above ground
D	1/2 wavelength at the operating frequency

3. - T0C10

Why is duty cycle one of the factors used to determine safe RF radiation exposure levels?

Select	Answer
A	It affects the peak exposure to radiation
B	It affects the average exposure to radiation
C	It takes into account the antenna feed line loss
D	It takes into account the thermal effects of the final amplifier

4. - T1A01

Which of the following is part of the Basis and Purpose of the Amateur Radio Service?

Select	Answer
A	All these choices are correct
B	Providing personal radio communications for as many citizens as possible
C	Advancing skills in the technical and communication phases of the radio art
D	Providing communications for international non-profit organizations

5. - T1B11

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

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

6. - T1C05

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

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

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 related to the sale of amateur equipment by the control operator's employer
D	When the communication is incidental to classroom instruction at an educational institution

8. - T1E04

What determines the transmitting frequency privileges of an amateur station?

Select	Answer
A	The class of operator license held by the control operator
B	The frequency authorized by the frequency coordinator
C	The highest class of operator license held by anyone on the premises
D	The frequencies printed on the license grant

9. - T1F05

What method of call sign identification is required for a station transmitting phone signals?

Select	Answer
A	Send the call sign followed by the indicator R
B	Send the call sign followed by the indicator RPT
C	Send the call sign using only a phone emission
D	Send the call sign using a CW or phone emission

10. - T2A05

How should you respond to a station calling CQ?

Select	Answer
A	Transmit your call sign followed by the other station’s call sign
B	Transmit "CQ" followed by the other station’s call sign
C	Transmit the other station’s call sign followed by your call sign
D	Transmit a signal report followed by your call sign

11. - T2B08

Which of the following applies when two stations transmitting on the same frequency interfere with each other?

Select	Answer
A	Interference is inevitable, so no action is required
B	Use subaudible tones so both stations can share the frequency
C	The stations should negotiate continued use of the frequency
D	Both stations should choose another frequency to avoid conflict

12. - T2C04

What is RACES?

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

13. - T3A06

What is the meaning of the term “picket fencing”?

Select	Answer
A	Alternating transmissions during a net operation
B	Local vs long-distance communications
C	Rapid flutter on mobile signals due to multipath propagation
D	A type of ground system used with vertical antennas

14. - T3B04

What is the velocity of a radio wave traveling through free space?

Select	Answer
A	Speed that increases as the frequency increases
B	Speed inversely proportional to its wavelength
C	Speed of light
D	Speed of sound

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 dawn to shortly after sunset during periods of low sunspot activity
C	From shortly after sunset to dawn during periods of low sunspot activity
D	From dawn to shortly after sunset during periods of high sunspot activity

16. - T4A01

Which of the following is an appropriate power supply rating for a typical 50 watt output mobile FM transceiver?

Select	Answer
A	13.8 volts at 12 amperes
B	13.8 volts at 4 amperes
C	24.0 volts at 12 amperes
D	24.0 volts at 4 amperes

17. - T4B06

Which of the following controls could be used if the voice pitch of a single-sideband signal returning to your CQ call seems too high or low?

Select	Answer
A	The RIT or Clarifier
B	The tone squelch
C	The AGC or limiter
D	The bandwidth selection

18. - T5A08

Which of the following is a good electrical insulator?

Select	Answer
A	Mercury
B	Aluminum
C	Copper
D	Glass

19. - T5B01

How many milliamperes is 1.5 amperes?

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

20. - T5C11

How much current is required to deliver 120 watts at a voltage of 12 volts DC?

Select	Answer
A	10 amperes
B	12 amperes
C	132 amperes
D	0.1 amperes

21. - T5D04

What is the resistance of a circuit in which a current of 3 amperes flows when connected to 90 volts?

Select	Answer
A	93 ohms
B	270 ohms
C	30 ohms
D	3 ohms

22. - T6A12

What type of switch is represented by component 3 in figure T-2?

Select	Answer
A	Double-pole double-throw
B	Single-pole double-throw
C	Double-pole single-throw
D	Single-pole single-throw

23. - T6B02

What electronic component allows current to flow in only one direction?

Select	Answer
A	Resistor
B	Diode
C	Driven element
D	Fuse

24. - T6C02

What is component 1 in figure T-1?

Select	Answer
A	Transistor
B	Connector
C	Resistor
D	Battery

25. - T6D02

What is a relay?

Select	Answer
A	An electrically-controlled switch
B	A pass transistor
C	An inverting amplifier
D	A current controlled amplifier

26. - T7A11

Where is an RF preamplifier installed?

Select	Answer
A	Between the transmitter and the antenna tuner
B	Between the antenna and receiver
C	At the output of the receiver audio amplifier
D	At the output of the transmitter power amplifier

27. - T7B07

Which of the following can reduce overload of a VHF transceiver by a nearby commercial FM station?

Select	Answer
A	Installing a band-reject filter
B	Using double-shielded coaxial cable
C	Installing bypass capacitors on the microphone cable
D	Installing an RF preamplifier

28. - T7C05

Why do most solid-state transmitters reduce output power as SWR increases beyond a certain level?

Select	Answer
A	Because power supplies cannot supply enough current at high SWR
B	To lower the SWR on the transmission line
C	To comply with FCC rules on spectral purity
D	To protect the output amplifier transistors

29. - T7D03

When configured to measure current, how is a multimeter connected to a component?

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

30. - T8A03

Which type of voice mode is often used for long-distance (weak signal) contacts on the VHF and UHF bands?

Select	Answer
A	SSB
B	DRM
C	PM
D	FM

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

32. - T8C03

What operating activity involves contacting as many stations as possible during a specified period?

Select	Answer
A	Net operations
B	Public service events
C	Contesting
D	Simulated emergency exercises

33. - T8D09

What is CW?

Select	Answer
A	A type of electromagnetic propagation
B	A digital mode used primarily on 2 meter FM
C	A technique for coil winding
D	Another name for a Morse code transmission

34. - T9A12

What is an advantage of a 5/8 wavelength whip antenna for VHF or UHF mobile service?

Select	Answer
A	It eliminates distortion caused by reflected signals
B	It has more gain than a 1/4-wavelength antenna
C	It radiates at a very high angle
D	It has 10 times the power gain of a 1/4 wavelength whip

35. - T9B05

What happens as the frequency of a signal in coaxial cable is increased?

Select	Answer
A	The characteristic impedance decreases
B	The loss decreases
C	The loss increases
D	The characteristic impedance increases

Figure T-2

Figure T-1