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

2. - T0B02

What is required when climbing an antenna tower?

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

3. - T0C04

What factors affect the RF exposure of people near an amateur station antenna?

Select	Answer
A	Radiation pattern of the antenna
B	All these choices are correct
C	Distance from the antenna to a person
D	Frequency and power level of the RF field

4. - T1A02

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

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

5. - T1B09

Why should you not set your transmit frequency to be exactly at the edge of an amateur band or sub-band?

Select	Answer
A	All these choices are correct
B	So that modulation sidebands do not extend beyond the band edge
C	To allow for calibration error in the transmitter frequency display
D	To allow for transmitter frequency drift

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, for up to one year
C	Yes, as soon as you apply for renewal
D	Yes, for up to two years

7. - T1D01

With which countries are FCC-licensed amateur radio stations prohibited from exchanging communications?

Select	Answer
A	Any country banned from making such communications by the American Radio Relay League (ARRL)
B	Any country whose administration has notified the American Radio Relay League (ARRL) that it objects to such communications
C	Any country whose administration has notified the International Telecommunication Union (ITU) that it objects to such communications
D	Any country banned from such communications by the International Amateur Radio Union (IARU)

8. - T1E07

When the control operator is not the station licensee, who is responsible for the proper operation of the station?

Select	Answer
A	All licensed amateurs who are present at the operation
B	Only the control operator
C	The control operator and the station licensee
D	Only the station 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	Earth station
C	Beacon station
D	Message forwarding station

10. - T2A06

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

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

11. - T2B04

Which of the following could be the reason you are unable to access a repeater whose output you can hear?

Select	Answer
A	You are using the wrong CTCSS tone
B	All these choices are correct
C	Improper transceiver offset
D	You are using the wrong DCS code

12. - T2C09

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

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

13. - T3A11

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

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

14. - T3B07

In addition to frequency, which of the following is used to identify amateur radio bands?

Select	Answer
A	All these choices are correct
B	Traditional letter/number designators
C	The approximate wavelength in meters
D	Channel numbers

15. - T3C03

What is a characteristic of VHF signals received via auroral backscatter?

Select	Answer
A	They are often received from 10,000 miles or more
B	They are distorted and signal strength varies considerably
C	They occur only during winter nighttime hours
D	They are generally strongest when your antenna is aimed west

16. - T4A09

How can you determine the length of time that equipment can be powered from a battery?

Select	Answer
A	Multiply the watts per hour consumed by the equipment by the battery power rating
B	Divide the battery ampere-hour rating by the average current draw of the equipment
C	Divide the watt-hour rating of the battery by the peak power consumption of the equipment
D	Multiply the square of the current rating of the battery by the input resistance of the equipment

17. - T4B08

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

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

18. - T5A01

Electrical current is measured in which of the following units?

Select	Answer
A	Ohms
B	Watts
C	Amperes
D	Volts

19. - T5B07

Which is equal to 3.525 MHz?

Select	Answer
A	3,525,000 kHz
B	0.003525 kHz
C	35.25 kHz
D	3525 kHz

20. - T5C03

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

Select	Answer
A	Inductance
B	Admittance
C	Resistance
D	Capacitance

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	1 volt
C	11 volts
D	9 volts

22. - T6A10

Which of the following battery chemistries is rechargeable?

Select	Answer
A	All these choices are correct
B	Lead-acid
C	Lithium-ion
D	Nickel-metal hydride

23. - T6B11

What is the term that describes a device's ability to amplify a signal?

Select	Answer
A	Forward voltage drop
B	Gain
C	On resistance
D	Forward resistance

24. - T6C07

What is component 8 in figure T-2?

Select	Answer
A	Resistor
B	Light emitting diode
C	Regulator IC
D	Inductor

25. - T6D07

Which of the following is commonly used as a visual indicator?

Select	Answer
A	Zener diode
B	FET
C	Bipolar transistor
D	LED

26. - T7A11

Where is an RF preamplifier installed?

Select	Answer
A	Between the antenna and receiver
B	At the output of the transmitter power amplifier
C	Between the transmitter and the antenna tuner
D	At the output of the receiver audio amplifier

27. - T7B07

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

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

28. - T7C07

What happens to power lost in a feed line?

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

29. - T7D11

Which of the following precautions should be taken when measuring in-circuit resistance with an ohmmeter?

Select	Answer
A	Ensure that the circuit is operating at the correct frequency
B	Ensure that the circuit is not powered
C	Ensure that the applied voltages are correct
D	Ensure that the circuit is grounded

30. - T8A03

Which type of voice mode is often used for long-distance (weak signal) contacts on the VHF and UHF bands?

Select	Answer
A	SSB
B	DRM
C	FM
D	PM

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 frequencies are usually variable
C	The satellite uplink is in the 15 meter band and the downlink is in the 10 meter band
D	The satellite operates using ultraviolet frequencies

32. - T8C10

What is required before using the EchoLink system?

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

33. - T8D12

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

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

34. - T9A07

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

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

35. - T9B08

Which of the following is a source of loss in coaxial feed line?

Select	Answer
A	High SWR
B	Multiple connectors in the line
C	Water intrusion into coaxial connectors
D	All these choices are correct

Figure T-2