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

2. - T0B02

What is required when climbing an antenna tower?

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

3. - T0C06

Which of the following is an acceptable method to determine whether your station complies with FCC RF exposure regulations?

Select	Answer
A	By calculation based on FCC OET Bulletin 65
B	By measurement of field strength using calibrated equipment
C	By calculation based on computer modeling
D	All these choices are correct

4. - T1A10

What is the Radio Amateur Civil Emergency Service (RACES)?

Select	Answer
A	A radio service using amateur stations for emergency management or civil defense communications
B	All these choices are correct
C	An emergency service using amateur operators certified by a civil defense organization as being enrolled in that organization
D	A radio service using amateur frequencies for emergency management or civil defense communications

5. - T1B03

Which frequency is in the 6 meter amateur band?

Select	Answer
A	222.15 MHz
B	49.00 MHz
C	28.50 MHz
D	52.525 MHz

6. - T1C08

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

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

7. - T1D11

When may an amateur station transmit without identifying on the air?

Select	Answer
A	When the transmissions are unmodulated
B	When transmitting signals to control model craft
C	When the transmissions are of a brief nature to make station adjustments
D	When the transmitted power level is below 1 watt

8. - T1E02

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

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

9. - T1F01

When must the station and its records be available for FCC inspection?

Select	Answer
A	At any time after written notification by the FCC of such inspection
B	Only when presented with a valid warrant by an FCC official or government agent
C	At any time upon request by an FCC representative
D	At any time ten days after notification by the FCC of such an inspection

10. - T2A11

What term describes an amateur station that is transmitting and receiving on the same frequency?

Select	Answer
A	Simplex
B	Diplex
C	Multiplex
D	Full duplex

11. - T2B11

Which Q signal indicates that you are changing frequency?

Select	Answer
A	QRU
B	QSL
C	QSY
D	QRZ

12. - T2C11

What is meant by “check” in a radiogram header?

Select	Answer
A	A box on the message form that indicates that the message was received and/or relayed
B	A list of stations that have relayed the message
C	The call sign of the originating station
D	The number of words or word equivalents in the text portion of the message

13. - T3A06

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

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

14. - T3B05

What is the relationship between wavelength and frequency?

Select	Answer
A	Wavelength and frequency increase as path length increases
B	Wavelength and frequency are unrelated
C	Wavelength gets shorter as frequency increases
D	Wavelength gets longer as frequency increases

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

16. - T4A03

Why are short, heavy-gauge wires used for a transceiver’s DC power connection?

Select	Answer
A	To minimize voltage drop when transmitting
B	All these choices are correct
C	To provide a good counterpoise for the antenna
D	To avoid RF interference

17. - T4B11

Which of the following must be programmed into a D-STAR digital transceiver before transmitting?

Select	Answer
A	Your output power
B	The codec type being used
C	All these choices are correct
D	Your call sign

18. - T5A09

Which of the following describes alternating current?

Select	Answer
A	Current that alternates between positive and negative directions
B	Current that alternates between a positive direction and zero
C	Current that alternates between a negative direction and zero
D	All these answers are correct

19. - T5B12

Which is equal to 28400 kHz?

Select	Answer
A	284.00 MHz
B	2.800 MHz
C	28.400 MHz
D	28.400 kHz

20. - T5C05

What is the unit of impedance?

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

21. - T5D03

What formula is used to calculate resistance in a circuit?

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

22. - T6A04

What electrical component stores energy in an electric field?

Select	Answer
A	Inductor
B	Capacitor
C	Diode
D	Varistor

23. - T6B06

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

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

24. - T6C12

Which of the following is accurately represented in electrical schematics?

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

25. - T6D03

Which of the following is a reason to use shielded wire?

Select	Answer
A	To decrease the resistance of DC power connections
B	To prevent coupling of unwanted signals to or from the wire
C	To couple the wire to other signals
D	To increase the current carrying capability of the wire

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

28. - T7C01

What is the primary purpose of a dummy load?

Select	Answer
A	To prevent over-modulation of a transmitter
B	To improve the efficiency of an antenna
C	To prevent transmitting signals over the air when making tests
D	To improve the signal-to-noise ratio of a receiver

29. - T7D08

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

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

30. - T8A07

What is a characteristic of single sideband (SSB) compared to FM?

Select	Answer
A	All these choices are correct
B	SSB signals have narrower bandwidth
C	SSB signals are easier to tune in correctly
D	SSB signals are less susceptible to interference

31. - T8B06

Which of the following are inputs to a satellite tracking program?

Select	Answer
A	The satellite transmitted power
B	The Keplerian elements
C	The last observed time of zero Doppler shift
D	All these choices are correct

32. - T8C03

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

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

33. - T8D01

Which of the following is a digital communications mode?

Select	Answer
A	Packet radio
B	IEEE 802.11
C	All these choices are correct
D	FT8

34. - T9A07

What is a disadvantage of using a handheld VHF transceiver with a flexible antenna inside a vehicle?

Select	Answer
A	The SWR might decrease, decreasing the signal strength
B	All these choices are correct
C	The bandwidth of the antenna will decrease, increasing SWR
D	Signal strength is reduced due to the shielding effect of the vehicle

35. - T9B10

What is the electrical difference between RG-58 and RG-213 coaxial cable?

Select	Answer
A	RG-58 cable can handle higher power levels
B	RG-213 cable has less loss at a given frequency
C	RG-58 cable has two shields
D	There is no significant difference between the two types