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. - T0A02

What health hazard is presented by electrical current flowing through the body?

Select	Answer
A	All these choices are correct
B	It may cause injury by heating tissue
C	It may cause involuntary muscle contractions
D	It may disrupt the electrical functions of cells

2. - T0B08

Which is a proper grounding method for a tower?

Select	Answer
A	A ferrite-core RF choke connected between the tower and ground
B	A connection between the tower base and a cold water pipe
C	Separate eight-foot ground rods for each tower leg, bonded to the tower and each other
D	A single four-foot ground rod, driven into the ground no more than 12 inches from the base

3. - T0C13

Who is responsible for ensuring that no person is exposed to RF energy above the FCC exposure limits?

Select	Answer
A	The local zoning board
B	The FCC
C	Anyone who is near an antenna
D	The station licensee

4. - T1A04

How many operator/primary station license grants may be held by any one person?

Select	Answer
A	One
B	One for each permanent station location from which the person plans to operate
C	One for each band on which the person plans to operate
D	No more than two

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 who has applied for and received approval from NASA
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

6. - T1C02

Who may select a desired call sign under the vanity call sign rules?

Select	Answer
A	Only a licensed amateur with an Amateur Extra Class license
B	Any licensed amateur
C	Only a licensed amateur who has been licensed continuously for more than 10 years
D	Only a licensed amateur with a General or Amateur Extra Class license

7. - T1D09

When may amateur stations transmit information in support of broadcasting, program production, or news gathering, assuming no other means is available?

Select	Answer
A	When broadcasting communications to or from the space shuttle
B	When such communications are directly related to the immediate safety of human life or protection of property
C	Where noncommercial programming is gathered and supplied exclusively to the National Public Radio network
D	Never

8. - T1E03

Who must designate the station control operator?

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

9. - T1F03

When are you required to transmit your assigned call sign?

Select	Answer
A	At least every 15 minutes during and at the end of a communication
B	At least once during each transmission
C	At the beginning of each contact, and every 10 minutes thereafter
D	At least every 10 minutes during and at the end of a communication

10. - T2A09

Which of the following indicates that a station is listening on a repeater and looking for a contact?

Select	Answer
A	The repeater call sign followed by the station’s call sign
B	The station’s call sign followed by the word “monitoring”
C	“CQ CQ” followed by the repeater’s call sign
D	“QSY” 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	Both stations should choose another frequency to avoid conflict
B	The stations should negotiate continued use of the frequency
C	Interference is inevitable, so no action is required
D	Use subaudible tones so both stations can share the frequency

12. - T2C05

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

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

13. - T3A10

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

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

14. - T3B09

What frequency range is referred to as UHF?

Select	Answer
A	30 to 300 MHz
B	300 to 3000 kHz
C	300 to 3000 MHz
D	30 to 300 kHz

15. - T3C02

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

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

16. - T4A06

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

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

17. - T4B02

Which of the following can be used to enter a transceiver’s operating frequency?

Select	Answer
A	The CTCSS or DTMF encoder
B	The Automatic Frequency Control
C	The keypad or VFO knob
D	All these choices are correct

18. - T5A08

Which of the following is a good electrical insulator?

Select	Answer
A	Mercury
B	Aluminum
C	Glass
D	Copper

19. - T5B04

Which is equal to one microvolt?

Select	Answer
A	One thousand kilovolts
B	One million volts
C	One one-millionth of a volt
D	One one-thousandth of a volt

20. - T5C02

What is the unit of capacitance?

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

21. - T5D01

What formula is used to calculate current in a circuit?

Select	Answer
A	I = E - R
B	I = E / R
C	I = E + R
D	I = E  R

22. - T6A05

What type of electrical component consists of conductive surfaces separated by an insulator?

Select	Answer
A	Resistor
B	Potentiometer
C	Oscillator
D	Capacitor

23. - T6B08

What does the abbreviation FET stand for?

Select	Answer
A	Frequency Emission Transmitter
B	Fast Electron Transistor
C	Free Electron Transmitter
D	Field Effect Transistor

24. - T6C06

What is component 6 in figure T-2?

Select	Answer
A	Capacitor
B	Resistor
C	Transistor
D	Regulator IC

25. - T6D01

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

Select	Answer
A	Rectifier
B	Transformer
C	Amplifier
D	Reflector

26. - T7A08

Which of the following describes combining speech with an RF carrier signal?

Select	Answer
A	Impedance matching
B	Modulation
C	Oscillation
D	Low-pass filtering

27. - T7B10

What might be a problem if you receive a report that your audio signal through an FM repeater is distorted or unintelligible?

Select	Answer
A	All these choices are correct
B	You are in a bad location
C	Your transmitter is slightly off frequency
D	Your batteries are running low

28. - T7C07

What happens to power lost in a feed line?

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

29. - T7D08

Which of the following types of solder should not be used for radio and electronic applications?

Select	Answer
A	Rosin-core solder
B	Acid-core solder
C	Tin-copper solder
D	Lead-tin solder

30. - T8A10

What is the approximate bandwidth of AM fast-scan TV transmissions?

Select	Answer
A	About 6 MHz
B	More than 10 MHz
C	About 3 MHz
D	About 1 MHz

31. - T8B05

What is a satellite beacon?

Select	Answer
A	A transmission from a satellite that contains status information
B	A reflective surface on the satellite
C	The primary transmit antenna on the satellite
D	An indicator light that shows where to point your antenna

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. - T8D04

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

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

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	Lengthening it
C	Adding capacitive loading to the ends of the radiating wires
D	Shortening it

35. - T9B05

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

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

Figure T-2