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. - T0A04

What is the purpose of a fuse in an electrical circuit?

Select	Answer
A	To limit current to prevent shocks
B	To prevent power supply ripple from damaging a component
C	All these choices are correct
D	To remove power in case of overload

2. - T0B02

What is required when climbing an antenna tower?

Select	Answer
A	Have sufficient training on safe tower climbing techniques
B	Always wear an approved climbing harness
C	All these choices are correct
D	Use appropriate tie-off to the tower at all times

3. - T0C03

How does the allowable power density for RF safety change if duty cycle changes from 100 percent to 50 percent?

Select	Answer
A	It increases by a factor of 3
B	There is no adjustment allowed for lower duty cycle
C	It decreases by 50 percent
D	It increases by a factor of 2

4. - T1A11

When is willful interference to other amateur radio stations permitted?

Select	Answer
A	At any time, stations in the Amateur Radio Service are not protected from willful interference
B	At no time
C	When making short test transmissions
D	To stop another amateur station that is breaking the FCC rules

5. - T1B08

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

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

6. - T1C08

What is the normal term for an FCC-issued amateur radio license?

Select	Answer
A	Eight years
B	Five years
C	Ten years
D	Life

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

8. - T1E09

Which of the following are required for remote control operation?

Select	Answer
A	The control operator must indirectly manipulate the controls
B	The control operator must be at the control point
C	All these choices are correct
D	A control operator is required at all times

9. - T1F11

Which of the following is a requirement for the issuance of a club station license grant?

Select	Answer
A	The trustee must have an Amateur Extra Class operator license grant
B	All these choices are correct
C	The club must have at least four members
D	The club must be registered with the American Radio Relay League

10. - T2A08

What is the meaning of the procedural signal “CQ”?

Select	Answer
A	Test transmission, no reply expected
B	Only the called station should transmit
C	Calling any station
D	Call on the quarter hour

11. - T2B09

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

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

12. - T2C04

What is RACES?

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

13. - T3A05

When using a directional antenna, how might your station be able to communicate with a distant repeater if buildings or obstructions are blocking the direct line of sight path?

Select	Answer
A	Change from vertical to horizontal polarization
B	Try to find a path that reflects signals to the repeater
C	Increase the antenna SWR
D	Try the long path

14. - T3B02

What property of a radio wave defines its polarization?

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

15. - T3C04

Which of the following types of propagation is most commonly associated with occasional strong signals on the 10, 6, and 2 meter bands from beyond the radio horizon?

Select	Answer
A	Gray-line propagation
B	Sporadic E
C	D region absorption
D	Backscatter

16. - T4A06

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

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

17. - T4B02

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

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

18. - T5A01

Electrical current is measured in which of the following units?

Select	Answer
A	Amperes
B	Ohms
C	Volts
D	Watts

19. - T5B03

Which is equal to one kilovolt?

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

20. - T5C04

What is the unit of inductance?

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

21. - T5D14

In which type of circuit is voltage the same across all components?

Select	Answer
A	Branch
B	Series
C	Resonant
D	Parallel

22. - T6A04

What electrical component stores energy in an electric field?

Select	Answer
A	Diode
B	Capacitor
C	Varistor
D	Inductor

23. - T6B05

What type of transistor has a gate, drain, and source?

Select	Answer
A	Field-effect
B	Varistor
C	Tesla-effect
D	Bipolar junction

24. - T6C04

What is component 3 in figure T-1?

Select	Answer
A	Ground symbol
B	Resistor
C	Transistor
D	Lamp

25. - T6D08

Which of the following is combined with an inductor to make a resonant circuit?

Select	Answer
A	Capacitor
B	Resistor
C	Potentiometer
D	Zener diode

26. - T7A08

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

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

27. - T7B11

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

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

28. - T7C11

What is a disadvantage of air core coaxial cable when compared to foam or solid dielectric types?

Select	Answer
A	It cannot be used for VHF or UHF antennas
B	It cannot be used at below freezing temperatures
C	It requires special techniques to prevent moisture in the cable
D	It has more loss per foot

29. - T7D10

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

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

30. - T8A09

What is the approximate bandwidth of a VHF repeater FM voice signal?

Select	Answer
A	Between 50 and 125 kHz
B	About 150 kHz
C	Between 10 and 15 kHz
D	Less than 500 Hz

31. - T8B03

Which of the following are provided by satellite tracking programs?

Select	Answer
A	All these choices are correct
B	The time, azimuth, and elevation of the start, maximum altitude, and end of a pass
C	The apparent frequency of the satellite transmission, including effects of Doppler shift
D	Maps showing the real-time position of the satellite track over Earth

32. - T8C07

What is Voice Over Internet Protocol (VoIP)?

Select	Answer
A	A technique for measuring the modulation quality of a transmitter using remote sites monitored via the internet
B	A technique employed to “spot” DX stations via the internet
C	A method of delivering voice communications over the internet using digital techniques
D	A set of rules specifying how to identify your station when linked over the internet to another station

33. - T8D07

Which of the following describes DMR?

Select	Answer
A	An automatic computer logging technique for hands-off logging when communicating while operating a vehicle
B	A digital technique for transmitting on two repeater inputs simultaneously for automatic error correction
C	A technique for time-multiplexing two digital voice signals on a single 12.5 kHz repeater channel
D	An automatic position tracking mode for FM mobiles communicating through repeaters

34. - T9A11

What is antenna gain?

Select	Answer
A	The additional power that is required in the antenna when transmitting on a higher frequency
B	The increase in signal strength in a specified direction compared to a reference antenna
C	The increase in impedance on receive or transmit compared to a reference antenna
D	The additional power that is added to the transmitter power

35. - T9B09

What can cause erratic changes in SWR?

Select	Answer
A	Over-modulation
B	Loose connection in the antenna or feed line
C	Local thunderstorm
D	Overload from a strong local station

Figure T-1