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 prevent power supply ripple from damaging a component
B	To limit current to prevent shocks
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	Use appropriate tie-off to the tower at all times
B	All these choices are correct
C	Have sufficient training on safe tower climbing techniques
D	Always wear an approved climbing harness

3. - T0C09

How can you make sure your station stays in compliance with RF safety regulations?

Select	Answer
A	By making sure your antennas have low SWR
B	By re-evaluating the station whenever an item in the transmitter or antenna system is changed
C	By informing the FCC of any changes made in your station
D	All these choices are correct

4. - T1A05

What proves that the FCC has issued an operator/primary license grant?

Select	Answer
A	An email notification from the NCVEC granting the license
B	A printed copy of the certificate of successful completion of examination
C	All these choices are correct
D	The license appears in the FCC ULS database

5. - T1B10

Where may SSB phone be used in amateur bands above 50 MHz?

Select	Answer
A	In at least some segment of all these bands
B	Only in sub-bands allocated to General class or higher licensees
C	On any band if the power is limited to 25 watts
D	Only on repeaters

6. - T1C11

If your license has expired and is still within the allowable grace period, may you continue to transmit on the amateur radio bands?

Select	Answer
A	No, you must wait until the license has been renewed
B	Yes, as soon as you apply for renewal
C	Yes, for up to one year
D	Yes, for up to two years

7. - T1D04

Under what conditions is an amateur station authorized to transmit music using a phone emission?

Select	Answer
A	When the music produces no spurious emissions
B	When the music is transmitted above 1280 MHz
C	When transmissions are limited to less than three minutes per hour
D	When incidental to an authorized retransmission of manned spacecraft communications

8. - T1E09

Which of the following are required for remote control operation?

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

9. - T1F10

Who is accountable if a repeater inadvertently retransmits communications that violate the FCC rules?

Select	Answer
A	The owner of the repeater
B	The control operator of the repeater
C	The control operator of the originating station
D	Both the originating station and the repeater owner

10. - T2A01

What is a common repeater frequency offset in the 2 meter band?

Select	Answer
A	Plus or minus 600 kHz
B	Plus or minus 500 kHz
C	Plus or minus 1 MHz
D	Plus or minus 5 MHz

11. - T2B01

How is a VHF/UHF transceiver’s “reverse” function used?

Select	Answer
A	To reduce power output
B	To listen on a repeater’s input frequency
C	To increase power output
D	To listen on a repeater’s output frequency

12. - T2C07

Which of the following is standard practice when you participate in a net?

Select	Answer
A	Unless you are reporting an emergency, transmit only when directed by the net control station
B	All these choices are correct
C	When first responding to the net control station, transmit your call sign, name, and address as in the FCC database
D	Record the time of each of your transmissions

13. - T3A08

What is a likely cause of irregular fading of signals propagated by the ionosphere?

Select	Answer
A	Intermodulation distortion
B	Interference from thunderstorms
C	Random combining of signals arriving via different paths
D	Frequency shift due to Faraday rotation

14. - T3B09

What frequency range is referred to as UHF?

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

15. - T3C01

Why are simplex UHF signals rarely heard beyond their radio horizon?

Select	Answer
A	They are too weak to go very far
B	UHF signals are usually not propagated by the ionosphere
C	UHF signals are absorbed by the ionospheric D region
D	FCC regulations prohibit them from going more than 50 miles

16. - T4A03

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

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

17. - T4B03

How is squelch adjusted so that a weak FM signal can be heard?

Select	Answer
A	Turn on the anti-squelch function
B	Set the squelch threshold so that receiver output audio is on all the time
C	Enable squelch enhancement
D	Turn up the audio level until it overcomes the squelch threshold

18. - T5A02

Electrical power is measured in which of the following units?

Select	Answer
A	Watts
B	Watt-hours
C	Volts
D	Amperes

19. - T5B04

Which is equal to one microvolt?

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

20. - T5C10

How much power is delivered by a voltage of 12 volts DC and a current of 2.5 amperes?

Select	Answer
A	0.208 watts
B	14.5 watts
C	30 watts
D	4.8 watts

21. - T5D11

What is the voltage across a 10-ohm resistor if a current of 1 ampere flows through it?

Select	Answer
A	10 volts
B	11 volts
C	1 volt
D	9 volts

22. - T6A08

What is the function of an SPDT switch?

Select	Answer
A	Two circuits are each switched between one of two other circuits
B	A single circuit is opened or closed
C	A single circuit is switched between one of two other circuits
D	Two circuits are opened or closed

23. - T6B07

What causes a light-emitting diode (LED) to emit light?

Select	Answer
A	Reverse current
B	Capacitively-coupled RF signal
C	Inductively-coupled RF signal
D	Forward current

24. - T6C03

What is component 2 in figure T-1?

Select	Answer
A	Resistor
B	Connector
C	Transistor
D	Indicator lamp

25. - T6D09

What is the name of a device that combines several semiconductors and other components into one package?

Select	Answer
A	Transducer
B	Multi-pole relay
C	Integrated circuit
D	Transformer

26. - T7A04

Which term describes the ability of a receiver to discriminate between multiple signals?

Select	Answer
A	Selectivity
B	Sensitivity
C	Harmonic distortion
D	Discrimination ratio

27. - T7B03

Which of the following can cause radio frequency interference?

Select	Answer
A	Spurious emissions
B	Harmonics
C	All these choices are correct
D	Fundamental overload

28. - T7C07

What happens to power lost in a feed line?

Select	Answer
A	It is converted into heat
B	It increases the SWR
C	It distorts the signal
D	It is radiated as harmonics

29. - T7D03

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

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

30. - T8A02

What type of modulation is commonly used for VHF packet radio transmissions?

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

31. - T8B08

What is meant by the statement that a satellite is operating in U/V mode?

Select	Answer
A	The satellite uplink is in the 70 centimeter band and the downlink is in the 2 meter band
B	The satellite uplink is in the 15 meter band and the downlink is in the 10 meter band
C	The satellite operates using ultraviolet frequencies
D	The satellite frequencies are usually variable

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	Simulated emergency exercises
D	Net operations

33. - T8D09

What is CW?

Select	Answer
A	Another name for a Morse code transmission
B	A type of electromagnetic propagation
C	A digital mode used primarily on 2 meter FM
D	A technique for coil winding

34. - T9A05

Which of the following increases the resonant frequency of a dipole antenna?

Select	Answer
A	Shortening it
B	Lengthening it
C	Adding capacitive loading to the ends of the radiating wires
D	Inserting coils in series with radiating wires

35. - T9B01

What is a benefit of low SWR?

Select	Answer
A	Less antenna wear
B	Reduced signal loss
C	Reduced television interference
D	All these choices are correct

Figure T-1