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. - T0A02

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

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

2. - T0B03

Under what circumstances is it safe to climb a tower without a helper or observer?

Select	Answer
A	Never
B	When no electrical work is being performed
C	When no mechanical work is being performed
D	When the work being done is not more than 20 feet above the ground

3. - T0C12

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

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

4. - T1A03

What do the FCC rules state regarding the use of a phonetic alphabet for station identification in the Amateur Radio Service?

Select	Answer
A	It is required when transmitting emergency messages
B	It is encouraged
C	All these choices are correct
D	It is required when in contact with foreign stations

5. - T1B07

Which of the following VHF/UHF band segments are limited to CW only?

Select	Answer
A	50.0 MHz to 50.1 MHz and 144.0 MHz to 144.1 MHz
B	All these choices are correct
C	902.0 MHz to 902.1 MHz
D	219 MHz to 220 MHz and 420.0 MHz to 420.1 MHz

6. - T1C08

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

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

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	When the communication is incidental to classroom instruction at an educational institution
B	When the communication is made to obtain emergency information for a local broadcast station
C	All these choices are correct
D	When the communication is related to the sale of amateur equipment by the control operator's employer

8. - T1E10

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

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

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. - 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 available net frequencies
C	A plan devised by a club to indicate frequency band usage
D	A list of operating schedules

11. - T2B07

How can you join a digital repeater’s “talkgroup”?

Select	Answer
A	Join the repeater owner’s club
B	Sign your call after the courtesy tone
C	Register your radio with the local FCC office
D	Program your radio with the group’s ID or code

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

13. - T3A10

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

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

14. - T3B04

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

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

15. - T3C06

What type of propagation is responsible for allowing over-the-horizon VHF and UHF communications to ranges of approximately 300 miles on a regular basis?

Select	Answer
A	F2 region refraction
B	D region refraction
C	Faraday rotation
D	Tropospheric ducting

16. - T4A05

Where should an RF power meter be installed?

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

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. - T5A05

What is the electrical term for the force that causes electron flow?

Select	Answer
A	Inductance
B	Capacitance
C	Voltage
D	Ampere-hours

19. - T5B01

How many milliamperes is 1.5 amperes?

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

20. - T5C05

What is the unit of impedance?

Select	Answer
A	The volt
B	The coulomb
C	The ohm
D	The ampere

21. - T5D14

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

Select	Answer
A	Parallel
B	Resonant
C	Series
D	Branch

22. - T6A12

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

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

23. - T6B06

How is the cathode lead of a semiconductor diode often marked on the package?

Select	Answer
A	With the word "cathode"
B	With a stripe
C	With the letter C
D	With the letter K

24. - T6C12

Which of the following is accurately represented in electrical schematics?

Select	Answer
A	Physical appearance of components
B	Component connections
C	All these choices are correct
D	Wire lengths

25. - T6D10

What is the function of component 2 in figure T-1?

Select	Answer
A	Give off light when current flows through it
B	Convert electrical energy into radio waves
C	Control the flow of current
D	Supply electrical energy

26. - T7A02

What is a transceiver?

Select	Answer
A	A device for automatically sending and decoding Morse code
B	A device for converting receiver and transmitter frequencies to another band
C	A device that combines a receiver and transmitter
D	A device for matching feed line impedance to 50 ohms

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	Reports of garbled, distorted, or unintelligible voice transmissions
D	Excessive SWR at the antenna connection

28. - T7C09

Which of the following causes failure of coaxial cables?

Select	Answer
A	Rapid fluctuation in transmitter output power
B	Moisture contamination
C	Solder flux contamination
D	Operation at 100% duty cycle for an extended period

29. - T7D03

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

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

30. - T8A10

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

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

31. - T8B09

What causes spin fading of satellite signals?

Select	Answer
A	Doppler shift of the received signal
B	Circular polarized noise interference radiated from the sun
C	Interfering signals within the satellite uplink band
D	Rotation of the satellite and its antennas

32. - T8C03

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

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

33. - T8D08

Which of the following is included in packet radio transmissions?

Select	Answer
A	All these choices are correct
B	A check sum that permits error detection
C	A header that contains the call sign of the station to which the information is being sent
D	Automatic repeat request in case of error

34. - T9A09

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

Select	Answer
A	50
B	112
C	236
D	6

35. - T9B11

Which of the following types of feed line has the lowest loss at VHF and UHF?

Select	Answer
A	Air-insulated hardline
B	50-ohm flexible coax
C	Multi-conductor unbalanced cable
D	75-ohm flexible coax

Figure T-2

Figure T-1