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

2. - T0B05

What is the purpose of a safety wire through a turnbuckle used to tension guy lines?

Select	Answer
A	Secure the guy line if the turnbuckle breaks
B	Provide an ability to measure for proper tensioning
C	Provide a ground path for lightning strikes
D	Prevent loosening of the turnbuckle from vibration

3. - T0C01

What type of radiation are radio signals?

Select	Answer
A	Ionizing radiation
B	Gamma radiation
C	Alpha radiation
D	Non-ionizing radiation

4. - T1A02

Which agency regulates and enforces the rules for the Amateur Radio Service in the United States?

Select	Answer
A	FEMA
B	Homeland Security
C	All these choices are correct
D	The FCC

5. - T1B06

On which HF bands does a Technician class operator have phone privileges?

Select	Answer
A	10 meter band only
B	30 meter band only
C	80 meter, 40 meter, 15 meter, and 10 meter bands
D	None

6. - T1C09

What is the grace period for renewal if an amateur license expires?

Select	Answer
A	Five years
B	Three years
C	Two years
D	Ten years

7. - T1D10

How does the FCC define broadcasting for the Amateur Radio Service?

Select	Answer
A	Any transmission made by the licensed station
B	Transmissions intended for reception by the general public
C	Transmission of messages directed only to amateur operators
D	Two-way transmissions by amateur stations

8. - T1E01

When may an amateur station transmit without a control operator?

Select	Answer
A	Never
B	When using automatic control, such as in the case of a repeater
C	When the station licensee is away and another licensed amateur is using the station
D	When the transmitting station is an auxiliary station

9. - T1F05

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

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

10. - T2A09

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

Select	Answer
A	The station’s call sign followed by the word “monitoring”
B	The repeater call sign followed by the station’s call sign
C	“CQ CQ” followed by the repeater’s call sign
D	“QSY” followed by your call sign

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	For working DX only
C	So stations with simple transmitters can access the repeater without automated offset
D	For contest operation

12. - T2C09

Are amateur station control operators ever permitted to operate outside the frequency privileges of their license class?

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

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	No significant changes will occur if the signals are transmitted using FM
D	Transmission rates must be increased by a factor equal to the number of separate paths observed

14. - T3B09

What frequency range is referred to as UHF?

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

15. - T3C05

Which of the following effects may allow radio signals to travel beyond obstructions between the transmitting and receiving stations?

Select	Answer
A	Knife-edge diffraction
B	Faraday rotation
C	Quantum tunneling
D	Doppler shift

16. - T4A12

What is an electronic keyer?

Select	Answer
A	A device that assists in manual sending of Morse code
B	An interlock to prevent unauthorized use of a radio
C	A device for voice activated switching from receive to transmit
D	A device for switching antennas from transmit to receive

17. - T4B04

What is a way to enable quick access to a favorite frequency or channel on your transceiver?

Select	Answer
A	Enable the frequency offset
B	Store it in a memory channel
C	Use the scan mode to select the desired frequency
D	Enable the VOX

18. - T5A05

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

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

19. - T5B01

How many milliamperes is 1.5 amperes?

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

20. - T5C09

How much power is delivered by a voltage of 13.8 volts DC and a current of 10 amperes?

Select	Answer
A	0.7 watts
B	138 watts
C	3.8 watts
D	23.8 watts

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. - T6A06

What type of electrical component stores energy in a magnetic field?

Select	Answer
A	Varistor
B	Diode
C	Inductor
D	Capacitor

23. - T6B01

Which is true about forward voltage drop in a diode?

Select	Answer
A	It has no impact on the voltage delivered to the load
B	It is proportional to peak inverse voltage
C	It is lower in some diode types than in others
D	It indicates that the diode is defective

24. - T6C06

What is component 6 in figure T-2?

Select	Answer
A	Regulator IC
B	Capacitor
C	Resistor
D	Transistor

25. - T6D01

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

Select	Answer
A	Transformer
B	Amplifier
C	Rectifier
D	Reflector

26. - T7A03

Which of the following is used to convert a signal from one frequency to another?

Select	Answer
A	Mixer
B	Amplifier
C	Phase splitter
D	Inverter

27. - T7B07

Which of the following can reduce overload of a VHF transceiver by a nearby commercial FM station?

Select	Answer
A	Installing a band-reject filter
B	Using double-shielded coaxial cable
C	Installing an RF preamplifier
D	Installing bypass capacitors on the microphone cable

28. - T7C10

Why should the outer jacket of coaxial cable be resistant to ultraviolet light?

Select	Answer
A	Ultraviolet light can damage the jacket and allow water to enter the cable
B	Ultraviolet light can increase losses in the cable’s jacket
C	Ultraviolet resistant jackets prevent harmonic radiation
D	Ultraviolet and RF signals can mix, causing interference

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 voltage when using the resistance setting
D	Attempting to measure resistance using the voltage setting

30. - T8A09

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

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

31. - T8B04

What mode of transmission is commonly used by amateur radio satellites?

Select	Answer
A	All these choices are correct
B	SSB
C	CW/data
D	FM

32. - T8C01

Which of the following methods is used to locate sources of noise interference or jamming?

Select	Answer
A	Echolocation
B	Phase locking
C	Radio direction finding
D	Doppler radar

33. - T8D13

What is FT8?

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

34. - T9A04

What is a disadvantage of the short, flexible antenna supplied with most handheld radio transceivers, compared to a full-sized quarter-wave antenna?

Select	Answer
A	It has low efficiency
B	It transmits only circularly polarized signals
C	It is mechanically fragile
D	All these choices are correct

35. - T9B11

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

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

Figure T-2