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

2. - T0B09

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

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

3. - T0C02

At which of the following frequencies does maximum permissible exposure have the lowest value?

Select	Answer
A	50 MHz
B	440 MHz
C	3.5 MHz
D	1296 MHz

4. - T1A05

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

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

5. - T1B05

How may amateurs use the 219 to 220 MHz segment of 1.25 meter band?

Select	Answer
A	Fast-scan television only
B	Fixed digital message forwarding systems only
C	Emergency traffic only
D	Spread spectrum only

6. - T1C05

Which of the following is a valid Technician class call sign format?

Select	Answer
A	All these choices are correct
B	KA1X
C	KF1XXX
D	W1XX

7. - T1D11

When may an amateur station transmit without identifying on the air?

Select	Answer
A	When the transmissions are unmodulated
B	When the transmitted power level is below 1 watt
C	When the transmissions are of a brief nature to make station adjustments
D	When transmitting signals to control model craft

8. - T1E02

Who may be the control operator of a station communicating through an amateur satellite or space station?

Select	Answer
A	Only an Amateur Extra Class operator
B	Any amateur allowed to transmit on the satellite uplink frequency
C	Only an Amateur Extra Class operator who is also an AMSAT member
D	A General class or higher licensee with a satellite operator certification

9. - T1F03

When are you required to transmit your assigned call sign?

Select	Answer
A	At least every 15 minutes during and at the end of a communication
B	At least every 10 minutes during and at the end of a communication
C	At the beginning of each contact, and every 10 minutes thereafter
D	At least once during each transmission

10. - T2A05

How should you respond to a station calling CQ?

Select	Answer
A	Transmit your call sign followed by the other station’s call sign
B	Transmit "CQ" followed by the other station’s call sign
C	Transmit the other station’s call sign followed by your call sign
D	Transmit a signal report followed by your call sign

11. - T2B01

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

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

12. - T2C06

What is the Amateur Radio Emergency Service (ARES)?

Select	Answer
A	A group of licensed amateurs who are members of the military and who voluntarily agreed to provide message handling services in the case of an emergency
B	A group of licensed amateurs who have voluntarily registered their qualifications and equipment for communications duty in the public service
C	A training program that provides licensing courses for those interested in obtaining an amateur license to use during emergencies
D	A training program that certifies amateur operators for membership in the Radio Amateur Civil Emergency Service

13. - T3A02

What is the effect of vegetation on UHF and microwave signals?

Select	Answer
A	Amplification
B	Knife-edge diffraction
C	Absorption
D	Polarization rotation

14. - T3B08

What frequency range is referred to as VHF?

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

15. - T3C08

What causes tropospheric ducting?

Select	Answer
A	Updrafts from hurricanes and tornadoes
B	Sunspots and solar flares
C	Temperature inversions in the atmosphere
D	Discharges of lightning during electrical storms

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 4 amperes
B	13.8 volts at 12 amperes
C	13.8 volts at 4 amperes
D	24.0 volts at 12 amperes

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. - T5A12

What describes the number of times per second that an alternating current makes a complete cycle?

Select	Answer
A	Speed
B	Pulse rate
C	Wavelength
D	Frequency

19. - T5B02

Which is equal to 1,500,000 hertz?

Select	Answer
A	150 kHz
B	1500 kHz
C	1500 MHz
D	15 GHz

20. - T5C05

What is the unit of impedance?

Select	Answer
A	The ampere
B	The ohm
C	The volt
D	The coulomb

21. - T5D11

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

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

22. - T6A05

What type of electrical component consists of conductive surfaces separated by an insulator?

Select	Answer
A	Capacitor
B	Resistor
C	Oscillator
D	Potentiometer

23. - T6B11

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

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

24. - T6C09

What is component 4 in figure T-2?

Select	Answer
A	Potentiometer
B	Double-pole switch
C	Variable inductor
D	Transformer

25. - T6D05

What type of circuit controls the amount of voltage from a power supply?

Select	Answer
A	Regulator
B	Oscillator
C	Filter
D	Phase inverter

26. - T7A03

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

Select	Answer
A	Inverter
B	Mixer
C	Phase splitter
D	Amplifier

27. - T7B09

What should be the first step to resolve non-fiber optic cable TV interference caused by your amateur radio transmission?

Select	Answer
A	Add a high-pass filter to the TV antenna input
B	Be sure all TV feed line coaxial connectors are installed properly
C	Add a low-pass filter to the TV antenna input
D	Add a preamplifier to the TV antenna input

28. - T7C07

What happens to power lost in a feed line?

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

29. - T7D02

How is a voltmeter connected to a component to measure applied voltage?

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

30. - T8A09

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

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

31. - T8B04

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

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

32. - T8C10

What is required before using the EchoLink system?

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

33. - T8D12

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

Select	Answer
A	A satellite communications network using modified commercial satellite TV hardware
B	An internet linking protocol used to network repeaters
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. - T9A11

What is antenna gain?

Select	Answer
A	The additional power that is added to the transmitter power
B	The additional power that is required in the antenna when transmitting on a higher frequency
C	The increase in signal strength in a specified direction compared to a reference antenna
D	The increase in impedance on receive or transmit compared to a reference antenna

35. - T9B12

What is standing wave ratio (SWR)?

Select	Answer
A	The ratio of amplifier power output to input
B	A measure of how well a load is matched to a transmission line
C	An indication of the quality of your station’s ground connection
D	The transmitter efficiency ratio

Figure T-2