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. - T0A01

Which of the following is a safety hazard of a 12-volt storage battery?

Select	Answer
A	All these choices are correct
B	Touching both terminals with the hands can cause electrical shock
C	RF emissions from a nearby transmitter can cause the electrolyte to emit poison gas
D	Shorting the terminals can cause burns, fire, or an explosion

2. - T0B09

Why should you avoid attaching an antenna to a utility pole?

Select	Answer
A	All these choices are correct
B	The antenna will not work properly because of induced voltages
C	The antenna could contact high-voltage power lines
D	The 60 Hz radiations from the feed line may increase the SWR

3. - T0C03

How does the allowable power density for RF safety change if duty cycle changes from 100 percent to 50 percent?

Select	Answer
A	There is no adjustment allowed for lower duty cycle
B	It decreases by 50 percent
C	It increases by a factor of 2
D	It increases by a factor of 3

4. - T1A04

How many operator/primary station license grants may be held by any one person?

Select	Answer
A	One for each band on which the person plans to operate
B	No more than two
C	One for each permanent station location from which the person plans to operate
D	One

5. - T1B07

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

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

6. - T1C03

What types of international communications are an FCC-licensed amateur radio station permitted to make?

Select	Answer
A	Only communications incidental to contest exchanges; all other communications are prohibited
B	Communications incidental to conducting business or remarks of a personal nature
C	Any communications that would be permitted by an international broadcast station
D	Communications incidental to the purposes of the Amateur Radio Service and remarks of a personal character

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

8. - T1E06

When, under normal circumstances, may a Technician class licensee be the control operator of a station operating in an Amateur Extra Class band segment?

Select	Answer
A	When using a club station whose trustee holds an Amateur Extra Class license
B	As part of a multi-operator contest team
C	At no time
D	When designated as the control operator by an Amateur Extra Class licensee

9. - T1F09

What type of amateur station simultaneously retransmits the signal of another amateur station on a different channel or channels?

Select	Answer
A	Repeater station
B	Message forwarding station
C	Beacon station
D	Earth station

10. - T2A06

Which of the following is required when making on-the-air test transmissions?

Select	Answer
A	Notify the FCC of the transmissions
B	All these choices are correct
C	Conduct tests only between 10 p.m. and 6 a.m. local time
D	Identify the transmitting station

11. - T2B09

Why are simplex channels designated in the VHF/UHF band plans?

Select	Answer
A	For contest operation
B	For working DX only
C	So stations within range of each other can communicate without tying up a repeater
D	So stations with simple transmitters can access the repeater without automated offset

12. - T2C03

What technique is used to ensure that voice messages containing unusual words are received correctly?

Select	Answer
A	All these choices are correct
B	Send the words by voice and Morse code
C	Speak very loudly into the microphone
D	Spell the words using a standard phonetic alphabet

13. - T3A11

Which region of the atmosphere can refract or bend HF and VHF radio waves?

Select	Answer
A	The mesosphere
B	The stratosphere
C	The ionosphere
D	The troposphere

14. - T3B05

What is the relationship between wavelength and frequency?

Select	Answer
A	Wavelength gets shorter as frequency increases
B	Wavelength and frequency are unrelated
C	Wavelength gets longer as frequency increases
D	Wavelength and frequency increase as path length 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	Gray-line propagation
B	Sporadic E
C	Backscatter
D	D region absorption

16. - T4A01

Which of the following is an appropriate power supply rating for a typical 50 watt output mobile FM transceiver?

Select	Answer
A	24.0 volts at 12 amperes
B	13.8 volts at 4 amperes
C	24.0 volts at 4 amperes
D	13.8 volts at 12 amperes

17. - T4B08

What is the advantage of having multiple receive bandwidth choices on a multimode transceiver?

Select	Answer
A	Increases the number of frequencies that can be stored in memory
B	Permits noise or interference reduction by selecting a bandwidth matching the mode
C	Increases the amount of offset between receive and transmit frequencies
D	Permits monitoring several modes at once by selecting a separate filter for each mode

18. - T5A11

What type of current flow is opposed by resistance?

Select	Answer
A	RF current
B	All these choices are correct
C	Alternating current
D	Direct current

19. - T5B01

How many milliamperes is 1.5 amperes?

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

20. - T5C03

What describes the ability to store energy in a magnetic field?

Select	Answer
A	Resistance
B	Capacitance
C	Admittance
D	Inductance

21. - T5D12

What is the voltage across a 10-ohm resistor if a current of 2 amperes flows through it?

Select	Answer
A	8 volts
B	0.2 volts
C	20 volts
D	12 volts

22. - T6A06

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

Select	Answer
A	Inductor
B	Varistor
C	Capacitor
D	Diode

23. - T6B09

What are the names for the electrodes of a diode?

Select	Answer
A	Anode and cathode
B	Source and drain
C	Gate and base
D	Plus and minus

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. - T6D10

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

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

26. - T7A06

What device converts the RF input and output of a transceiver to another band?

Select	Answer
A	High-pass filter
B	Low-pass filter
C	Phase converter
D	Transverter

27. - T7B10

What might be a problem if you receive a report that your audio signal through an FM repeater is distorted or unintelligible?

Select	Answer
A	Your transmitter is slightly off frequency
B	All these choices are correct
C	You are in a bad location
D	Your batteries are running low

28. - T7C06

What does an SWR reading of 4:1 indicate?

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

29. - T7D08

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

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

30. - T8A05

Which of the following types of signal has the narrowest bandwidth?

Select	Answer
A	SSB voice
B	Slow-scan TV
C	FM voice
D	CW

31. - T8B09

What causes spin fading of satellite signals?

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

32. - T8C10

What is required before using the EchoLink system?

Select	Answer
A	Purchase a license to use the EchoLink software
B	Register your call sign and provide proof of license
C	Complete the required EchoLink training
D	All these choices are correct

33. - T8D12

Which of the following best describes an amateur radio mesh network?

Select	Answer
A	A wide-bandwidth digital voice mode employing DMR protocols
B	A satellite communications network using modified commercial satellite TV hardware
C	An amateur-radio based data network using commercial Wi-Fi equipment with modified firmware
D	An internet linking protocol used to network repeaters

34. - T9A12

What is an advantage of a 5/8 wavelength whip antenna for VHF or UHF mobile service?

Select	Answer
A	It has 10 times the power gain of a 1/4 wavelength whip
B	It eliminates distortion caused by reflected signals
C	It radiates at a very high angle
D	It has more gain than a 1/4-wavelength antenna

35. - T9B10

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

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

Figure T-2

Figure T-1