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. - T0A11

What hazard exists in a power supply immediately after turning it off?

Select	Answer
A	Leakage flux in the power transformer
B	Circulating currents in the dc filter
C	Charge stored in filter capacitors
D	Voltage transients from kickback diodes

2. - T0B10

Which of the following is true when installing grounding conductors used for lightning protection?

Select	Answer
A	Common grounds must be avoided
B	Sharp bends must be avoided
C	Wires must be carefully routed with precise right-angle bends
D	Use only non-insulated wire

3. - T0C08

Which of the following actions can reduce exposure to RF radiation?

Select	Answer
A	Relocate antennas
B	All these choices are correct
C	Relocate the transmitter
D	Increase the duty cycle

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	All these choices are correct
C	It is encouraged
D	It is required when in contact with foreign stations

5. - T1B11

What is the maximum peak envelope power output for Technician class operators in their HF band segments?

Select	Answer
A	200 watts
B	10 watts
C	100 watts
D	50 watts

6. - T1C08

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

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

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 broadcasting communications to or from the space shuttle
D	When such communications are directly related to the immediate safety of human life or protection of property

8. - T1E04

What determines the transmitting frequency privileges of an amateur station?

Select	Answer
A	The class of operator license held by the control operator
B	The highest class of operator license held by anyone on the premises
C	The frequency authorized by the frequency coordinator
D	The frequencies printed on the license grant

9. - T1F05

What method of call sign identification is required for a station transmitting phone signals?

Select	Answer
A	Send the call sign followed by the indicator R
B	Send the call sign followed by the indicator RPT
C	Send the call sign using a CW or phone emission
D	Send the call sign using only a phone emission

10. - T2A11

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

Select	Answer
A	Full duplex
B	Simplex
C	Diplex
D	Multiplex

11. - T2B13

What is the purpose of a squelch function?

Select	Answer
A	Reduce interference from impulse noise
B	Mute the receiver audio when a signal is not present
C	Eliminate parasitic oscillations in an RF amplifier
D	Reduce a CW transmitter's key clicks

12. - T2C01

When do FCC rules NOT apply to the operation of an amateur station?

Select	Answer
A	When operating under special FEMA rules
B	When operating under special ARES rules
C	FCC rules always apply
D	When operating a RACES station

13. - T3A10

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

Select	Answer
A	Transmission rates must be increased 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 decreased by a factor equal to the number of separate paths observed

14. - T3B08

What frequency range is referred to as VHF?

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

15. - T3C02

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

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

16. - T4A10

What function is performed with a transceiver and a digital mode hot spot?

Select	Answer
A	Communication using digital voice or data systems via the internet
B	RTTY encoding and decoding without a computer
C	High-speed digital communications for meteor scatter
D	FT8 digital communications via AFSK

17. - T4B10

Which of the following receiver filter bandwidths provides the best signal-to-noise ratio for SSB reception?

Select	Answer
A	500 Hz
B	2400 Hz
C	1000 Hz
D	5000 Hz

18. - T5A08

Which of the following is a good electrical insulator?

Select	Answer
A	Glass
B	Aluminum
C	Copper
D	Mercury

19. - T5B12

Which is equal to 28400 kHz?

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

20. - T5C01

What describes the ability to store energy in an electric field?

Select	Answer
A	Inductance
B	Capacitance
C	Resistance
D	Tolerance

21. - T5D13

In which type of circuit is DC current the same through all components?

Select	Answer
A	Branch
B	Series
C	Resonant
D	Parallel

22. - T6A09

What electrical component is used to protect other circuit components from current overloads?

Select	Answer
A	Varactor
B	All these choices are correct
C	Fuse
D	Thyratron

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. - T6C08

What is component 9 in figure T-2?

Select	Answer
A	Variable inductor
B	Variable resistor
C	Variable transformer
D	Variable capacitor

25. - T6D04

Which of the following displays an electrical quantity as a numeric value?

Select	Answer
A	Transistor
B	Meter
C	Potentiometer
D	Relay

26. - T7A10

What device increases the transmitted output power from a transceiver?

Select	Answer
A	An RF power amplifier
B	All these choices are correct
C	An impedance network
D	A voltage divider

27. - T7B06

Which of the following actions should you take if a neighbor tells you that your station’s transmissions are interfering with their radio or TV reception?

Select	Answer
A	Install a harmonic doubler on the output of your transmitter and tune it until the interference is eliminated
B	Make sure that your station is functioning properly and that it does not cause interference to your own radio or television when it is tuned to the same channel
C	All these choices are correct
D	Immediately turn off your transmitter and contact the nearest FCC office for assistance

28. - T7C06

What does an SWR reading of 4:1 indicate?

Select	Answer
A	Good impedance match
B	Loss of -4 dB
C	Gain of +4 dB
D	Impedance mismatch

29. - T7D06

Which of the following can damage a multimeter?

Select	Answer
A	Not allowing it to warm up properly
B	Failing to connect one of the probes to ground
C	Attempting to measure resistance using the voltage setting
D	Attempting to measure voltage when using the resistance setting

30. - T8A04

Which type of modulation is commonly used for VHF and UHF voice repeaters?

Select	Answer
A	PSK
B	FM or PM
C	SSB
D	AM

31. - T8B06

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

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

32. - T8C05

What is a grid locator?

Select	Answer
A	An instrument for radio direction finding
B	A letter-number designator assigned to a geographic location
C	An instrument for neutralizing a final amplifier
D	A letter-number designator assigned to an azimuth and elevation

33. - T8D13

What is FT8?

Select	Answer
A	A digital slow-scan TV mode with forward error correction and automatic color compensation
B	A digital mode capable of low signal-to-noise operation
C	An eight channel multiplex mode for FM repeaters
D	A wideband FM voice mode

34. - T9A03

Which of the following describes a simple dipole oriented parallel to Earth's surface?

Select	Answer
A	A travelling-wave antenna
B	A horizontally polarized antenna
C	A ground-wave antenna
D	A vertically polarized antenna

35. - T9B06

Which of the following RF connector types is most suitable for frequencies above 400 MHz?

Select	Answer
A	RS-213
B	DB-25
C	UHF (PL-259/SO-239)
D	Type N

Figure T-2