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. - T0A03

In the United States, what circuit does black wire insulation indicate in a three-wire 120 V cable?

Select	Answer
A	Equipment ground
B	Neutral
C	Black insulation is never used
D	Hot

2. - T0B09

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

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

3. - T0C12

How does RF radiation differ from ionizing radiation (radioactivity)?

Select	Answer
A	RF radiation is limited in range to a few feet
B	RF radiation can only be detected with an RF dosimeter
C	RF radiation is perfectly safe
D	RF radiation does not have sufficient energy to cause chemical changes in cells and damage DNA

4. - T1A06

What is the FCC Part 97 definition of a beacon?

Select	Answer
A	A government transmitter marking the amateur radio band edges
B	A continuous transmission of weather information authorized in the amateur bands by the National Weather Service
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. - T1B02

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

Select	Answer
A	Any amateur holding a Technician class or higher license
B	Any amateur holding a General 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. - T1C06

From which of the following locations may an FCC-licensed amateur station transmit?

Select	Answer
A	From any vessel or craft located in international waters and documented or registered in the United States
B	From within any country that is a member of the United Nations
C	From within any country that belongs to the International Telecommunication Union
D	From anywhere within International Telecommunication Union (ITU) Regions 2 and 3

7. - T1D02

Under which of the following circumstances are one-way transmissions by an amateur station prohibited?

Select	Answer
A	Broadcasting
B	Telecommand or transmissions of telemetry
C	In all circumstances
D	International Morse Code Practice

8. - T1E02

Who may be the control operator of a station communicating through an amateur satellite or space station?

Select	Answer
A	Only an Amateur Extra Class operator who is also an AMSAT member
B	Any amateur allowed to transmit on the satellite uplink frequency
C	Only an Amateur Extra Class operator
D	A General class or higher licensee with a satellite operator certification

9. - T1F04

What language may you use for identification when operating in a phone sub-band?

Select	Answer
A	English, French, or Spanish
B	Any language recognized by the ITU
C	Any language recognized by the United Nations
D	English

10. - T2A02

What is the national calling frequency for FM simplex operations in the 2 meter band?

Select	Answer
A	446.000 MHz
B	432.100 MHz
C	146.520 MHz
D	145.000 MHz

11. - T2B06

What type of signaling uses pairs of audio tones?

Select	Answer
A	D-STAR
B	DTMF
C	CTCSS
D	GPRS

12. - T2C09

Are amateur station control operators ever permitted to operate outside the frequency privileges of their license class?

Select	Answer
A	Yes, but only in situations involving the immediate safety of human life or protection of property
B	Yes, but only when part of a FEMA emergency plan
C	No
D	Yes, but only when part of a RACES emergency plan

13. - T3A10

What effect does multi-path propagation have on data transmissions?

Select	Answer
A	Transmission rates must be decreased by a factor equal to the number of separate paths observed
B	No significant changes will occur if the signals are transmitted using FM
C	Error rates are likely to increase
D	Transmission rates must be increased by a factor equal to the number of separate paths observed

14. - T3B02

What property of a radio wave defines its polarization?

Select	Answer
A	The ratio of the energy in the magnetic field to the energy in the electric field
B	The ratio of the velocity to the wavelength
C	The orientation of the magnetic field
D	The orientation of the electric field

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. - T4A09

How can you determine the length of time that equipment can be powered from a battery?

Select	Answer
A	Multiply the square of the current rating of the battery by the input resistance of the equipment
B	Multiply the watts per hour consumed by the equipment by the battery power rating
C	Divide the watt-hour rating of the battery by the peak power consumption of the equipment
D	Divide the battery ampere-hour rating by the average current draw of the equipment

17. - T4B12

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

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

18. - T5A04

What are the units of electrical resistance?

Select	Answer
A	Siemens
B	Coulombs
C	Mhos
D	Ohms

19. - T5B09

Which decibel value most closely represents a power increase from 5 watts to 10 watts?

Select	Answer
A	5 dB
B	2 dB
C	3 dB
D	10 dB

20. - T5C04

What is the unit of inductance?

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

21. - T5D09

What is the current through a 24-ohm resistor connected across 240 volts?

Select	Answer
A	10 amperes
B	216 amperes
C	0.1 amperes
D	24,000 amperes

22. - T6A07

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

Select	Answer
A	Switch
B	Capacitor
C	Inductor
D	Diode

23. - T6B03

Which of these components can be used as an electronic switch?

Select	Answer
A	Varistor
B	Thermistor
C	Transistor
D	Potentiometer

24. - T6C02

What is component 1 in figure T-1?

Select	Answer
A	Resistor
B	Transistor
C	Connector
D	Battery

25. - T6D05

What type of circuit controls the amount of voltage from a power supply?

Select	Answer
A	Oscillator
B	Regulator
C	Filter
D	Phase inverter

26. - T7A05

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

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

27. - T7B11

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

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

28. - T7C10

Why should the outer jacket of coaxial cable be resistant to ultraviolet light?

Select	Answer
A	Ultraviolet light can increase losses in the cable’s jacket
B	Ultraviolet light can damage the jacket and allow water to enter the cable
C	Ultraviolet resistant jackets prevent harmonic radiation
D	Ultraviolet and RF signals can mix, causing interference

29. - T7D10

What reading indicates that an ohmmeter is connected across a large, discharged capacitor?

Select	Answer
A	Decreasing resistance with time
B	Steady full-scale reading
C	Alternating between open and short circuit
D	Increasing resistance with time

30. - T8A08

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

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

31. - T8B08

What is meant by the statement that a satellite is operating in U/V mode?

Select	Answer
A	The satellite operates using ultraviolet frequencies
B	The satellite frequencies are usually variable
C	The satellite uplink is in the 15 meter band and the downlink is in the 10 meter band
D	The satellite uplink is in the 70 centimeter band and the downlink is in the 2 meter band

32. - T8C11

What is an amateur radio station that connects other amateur stations to the internet?

Select	Answer
A	A repeater
B	A gateway
C	A digipeater
D	A beacon

33. - T8D10

Which of the following operating activities is supported by digital mode software in the WSJT-X software suite?

Select	Answer
A	All these choices are correct
B	Meteor scatter
C	Weak signal propagation beacons
D	Earth-Moon-Earth

34. - T9A09

What is the approximate length, in inches, of a half-wavelength 6 meter dipole antenna?

Select	Answer
A	112
B	6
C	50
D	236

35. - T9B08

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

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

Figure T-1