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. - T0A10

What hazard is caused by charging or discharging a battery too quickly?

Select	Answer
A	Overheating or out-gassing
B	Inverse memory effect
C	Excess output ripple
D	Half-wave rectification

2. - T0B02

What is required when climbing an antenna tower?

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

3. - T0C07

What hazard is created by touching an antenna during a transmission?

Select	Answer
A	Radiation poisoning
B	RF burn to skin
C	Electrocution
D	All these choices are correct

4. - T1A09

Who selects a Frequency Coordinator?

Select	Answer
A	The local chapter of the Office of National Council of Independent Frequency Coordinators
B	FCC Regional Field Office
C	The FCC Office of Spectrum Management and Coordination Policy
D	Amateur operators in a local or regional area whose stations are eligible to be repeater or auxiliary stations

5. - T1B05

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

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

6. - T1C01

For which license classes are new licenses currently available from the FCC?

Select	Answer
A	Technician, Technician Plus, General, Amateur Extra
B	Novice, Technician Plus, General, Advanced
C	Novice, Technician, General, Amateur Extra
D	Technician, General, Amateur Extra

7. - T1D09

When may amateur stations transmit information in support of broadcasting, program production, or news gathering, assuming no other means is available?

Select	Answer
A	When broadcasting communications to or from the space shuttle
B	Never
C	When such communications are directly related to the immediate safety of human life or protection of property
D	Where noncommercial programming is gathered and supplied exclusively to the National Public Radio network

8. - T1E08

Which of the following is an example of automatic control?

Select	Answer
A	Repeater operation
B	Using a computer or other device to identify automatically
C	Using a computer or other device to send CW automatically
D	Controlling a station over the internet

9. - T1F05

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

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

10. - T2A08

What is the meaning of the procedural signal “CQ”?

Select	Answer
A	Test transmission, no reply expected
B	Call on the quarter hour
C	Only the called station should transmit
D	Calling any station

11. - T2B10

Which Q signal indicates that you are receiving interference from other stations?

Select	Answer
A	QTH
B	QRM
C	QSB
D	QRN

12. - T2C04

What is RACES?

Select	Answer
A	An FCC part 97 amateur radio service for civil defense communications during national emergencies
B	An emergency organization combining amateur radio and citizens band operators and frequencies
C	An international radio experimentation society
D	A radio contest held in a short period, sometimes called a “sprint”

13. - T3A02

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

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

14. - T3B03

What are the two components of a radio wave?

Select	Answer
A	Ionizing and non-ionizing radiation
B	Impedance and reactance
C	Electric and magnetic fields
D	Voltage and current

15. - T3C09

What is generally the best time for long-distance 10 meter band propagation via the F region?

Select	Answer
A	From shortly after sunset to dawn during periods of high sunspot activity
B	From dawn to shortly after sunset during periods of high sunspot activity
C	From shortly after sunset to dawn during periods of low sunspot activity
D	From dawn to shortly after sunset during periods of low sunspot activity

16. - T4A12

What is an electronic keyer?

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

17. - T4B03

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

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

18. - T5A04

What are the units of electrical resistance?

Select	Answer
A	Ohms
B	Coulombs
C	Siemens
D	Mhos

19. - T5B13

Which is equal to 2425 MHz?

Select	Answer
A	0.002425 GHz
B	2425 GHz
C	2.425 GHz
D	24.25 GHz

20. - T5C13

What is the abbreviation for kilohertz?

Select	Answer
A	khz
B	KHZ
C	khZ
D	kHz

21. - T5D09

What is the current through a 24-ohm resistor connected across 240 volts?

Select	Answer
A	216 amperes
B	0.1 amperes
C	24,000 amperes
D	10 amperes

22. - T6A09

What electrical component is used to protect other circuit components from current overloads?

Select	Answer
A	All these choices are correct
B	Fuse
C	Thyratron
D	Varactor

23. - T6B11

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

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

24. - T6C03

What is component 2 in figure T-1?

Select	Answer
A	Transistor
B	Indicator lamp
C	Resistor
D	Connector

25. - T6D07

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

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

26. - T7A08

Which of the following describes combining speech with an RF carrier signal?

Select	Answer
A	Modulation
B	Low-pass filtering
C	Oscillation
D	Impedance matching

27. - T7B01

What can you do if you are told your FM handheld or mobile transceiver is over-deviating?

Select	Answer
A	Talk farther away from the microphone
B	Talk louder into the microphone
C	Change to a higher power level
D	Let the transceiver cool off

28. - T7C11

What is a disadvantage of air core coaxial cable when compared to foam or solid dielectric types?

Select	Answer
A	It cannot be used at below freezing temperatures
B	It requires special techniques to prevent moisture in the cable
C	It has more loss per foot
D	It cannot be used for VHF or UHF antennas

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

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. - T8B11

Who may receive telemetry from a space station?

Select	Answer
A	A licensed radio amateur who has been certified by the protocol developer
B	A licensed radio amateur who has registered for an access code from AMSAT
C	Anyone
D	A licensed radio amateur with a transmitter equipped for interrogating the satellite

32. - T8C10

What is required before using the EchoLink system?

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

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. - T9A09

What is the approximate length, in inches, of a half-wavelength 6 meter dipole antenna?

Select	Answer
A	112
B	50
C	6
D	236

35. - T9B08

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

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

Figure T-1