Anonymous User

Hamboozler

US Amateur Radio - Technician (Element 2, 2022-2026) Practice Test

Logging in (or registering) will help the system to select questions that you need to focus on.

1. - T0A03

In the United States, what circuit does black wire insulation indicate in a three-wire 120 V cable?

SelectAnswer
AEquipment ground
BBlack insulation is never used
CNeutral
DHot

2. - T0B07

Which of the following is an important safety rule to remember when using a crank-up tower?

SelectAnswer
AThis type of tower must not be climbed unless it is retracted, or mechanical safety locking devices have been installed
BThis type of tower must never be grounded
CAll these choices are correct
DThis type of tower must never be painted

3. - T0C08

Which of the following actions can reduce exposure to RF radiation?

SelectAnswer
ARelocate the transmitter
BIncrease the duty cycle
CRelocate antennas
DAll these choices are correct

4. - T1A10

What is the Radio Amateur Civil Emergency Service (RACES)?

SelectAnswer
AAll these choices are correct
BA radio service using amateur stations for emergency management or civil defense communications
CAn emergency service using amateur operators certified by a civil defense organization as being enrolled in that organization
DA radio service using amateur frequencies for emergency management or civil defense communications

5. - T1B01

Which of the following frequency ranges are available for phone operation by Technician licensees?

SelectAnswer
A28.100 MHz to 28.300 MHz
B28.500 MHz to 28.600 MHz
C28.050 MHz to 28.150 MHz
D28.300 MHz to 28.500 MHz

6. - T1C08

What is the normal term for an FCC-issued amateur radio license?

SelectAnswer
ATen years
BFive years
CEight years
DLife

7. - T1D03

When is it permissible to transmit messages encoded to obscure their meaning?

SelectAnswer
AOnly during contests
BOnly when transmitting control commands to space stations or radio control craft
COnly when transmitting certain approved digital codes
DNever

8. - T1E11

Who does the FCC presume to be the control operator of an amateur station, unless documentation to the contrary is in the station records?

SelectAnswer
AThe station custodian
BThe person operating the station equipment
CThe third party participant
DThe station licensee

9. - T1F02

How often must you identify with your FCC-assigned call sign when using tactical call signs such as “Race Headquarters”?

SelectAnswer
AOnce during every hour
BNever, the tactical call is sufficient
CAt the end of every transmission
DAt the end of each communication and every ten minutes during a communication

10. - T2A03

What is a common repeater frequency offset in the 70 cm band?

SelectAnswer
APlus or minus 600 kHz
BPlus or minus 5 MHz
CPlus or minus 500 kHz
DPlus or minus 1 MHz

11. - T2B05

What would cause your FM transmission audio to be distorted on voice peaks?

SelectAnswer
AYour repeater offset is inverted
BYou are talking too loudly
CYou need to talk louder
DYour transmit power is too high

12. - T2C09

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

SelectAnswer
AYes, but only when part of a FEMA emergency plan
BNo
CYes, but only when part of a RACES emergency plan
DYes, but only in situations involving the immediate safety of human life or protection of property

13. - T3A10

What effect does multi-path propagation have on data transmissions?

SelectAnswer
ATransmission rates must be decreased by a factor equal to the number of separate paths observed
BTransmission rates must be increased by a factor equal to the number of separate paths observed
CNo significant changes will occur if the signals are transmitted using FM
DError rates are likely to increase

14. - T3B04

What is the velocity of a radio wave traveling through free space?

SelectAnswer
ASpeed of light
BSpeed of sound
CSpeed that increases as the frequency increases
DSpeed inversely proportional to its wavelength

15. - T3C03

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

SelectAnswer
AThey are generally strongest when your antenna is aimed west
BThey are often received from 10,000 miles or more
CThey are distorted and signal strength varies considerably
DThey occur only during winter nighttime hours

16. - T4A03

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

SelectAnswer
ATo avoid RF interference
BTo provide a good counterpoise for the antenna
CTo minimize voltage drop when transmitting
DAll these choices are correct

17. - T4B11

Which of the following must be programmed into a D-STAR digital transceiver before transmitting?

SelectAnswer
AAll these choices are correct
BYour call sign
CThe codec type being used
DYour output power

18. - T5A11

What type of current flow is opposed by resistance?

SelectAnswer
AAll these choices are correct
BRF current
CAlternating current
DDirect current

19. - T5B12

Which is equal to 28400 kHz?

SelectAnswer
A284.00 MHz
B2.800 MHz
C28.400 MHz
D28.400 kHz

20. - T5C05

What is the unit of impedance?

SelectAnswer
AThe ampere
BThe ohm
CThe coulomb
DThe volt

21. - T5D09

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

SelectAnswer
A0.1 amperes
B10 amperes
C24,000 amperes
D216 amperes

22. - T6A02

What type of component is often used as an adjustable volume control?

SelectAnswer
ATransformer
BFixed resistor
CPotentiometer
DPower resistor

23. - T6B05

What type of transistor has a gate, drain, and source?

SelectAnswer
ABipolar junction
BField-effect
CVaristor
DTesla-effect

24. - T6C08

What is component 9 in figure T-2?

SelectAnswer
AVariable capacitor
BVariable transformer
CVariable resistor
DVariable inductor

25. - T6D10

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

SelectAnswer
AGive off light when current flows through it
BControl the flow of current
CConvert electrical energy into radio waves
DSupply electrical energy

26. - T7A06

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

SelectAnswer
ATransverter
BLow-pass filter
CPhase converter
DHigh-pass filter

27. - T7B02

What would cause a broadcast AM or FM radio to receive an amateur radio transmission unintentionally?

SelectAnswer
AThe deviation of an FM transmitter is set too low
BThe microphone gain of the transmitter is turned up too high
CThe audio amplifier of the transmitter is overloaded
DThe receiver is unable to reject strong signals outside the AM or FM band

28. - T7C02

Which of the following is used to determine if an antenna is resonant at the desired operating frequency?

SelectAnswer
AAn antenna analyzer
BA frequency counter
CA VTVM
DA Q meter

29. - T7D11

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

SelectAnswer
AEnsure that the applied voltages are correct
BEnsure that the circuit is not powered
CEnsure that the circuit is grounded
DEnsure that the circuit is operating at the correct frequency

30. - T8A12

Which of the following is a disadvantage of FM compared with single sideband?

SelectAnswer
AOnly one signal can be received at a time
BAll these choices are correct
CFM signals are harder to tune
DVoice quality is poorer

31. - T8B11

Who may receive telemetry from a space station?

SelectAnswer
AA licensed radio amateur with a transmitter equipped for interrogating the satellite
BAnyone
CA licensed radio amateur who has been certified by the protocol developer
DA licensed radio amateur who has registered for an access code from AMSAT

32. - T8C05

What is a grid locator?

SelectAnswer
AA letter-number designator assigned to a geographic location
BAn instrument for radio direction finding
CAn instrument for neutralizing a final amplifier
DA letter-number designator assigned to an azimuth and elevation

33. - T8D06

What does the abbreviation "PSK" mean?

SelectAnswer
APhase Shift Keying
BPacket Short Keying
CPhased Slide Keying
DPulse Shift Keying

34. - T9A09

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

SelectAnswer
A112
B236
C50
D6

35. - T9B10

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

SelectAnswer
ARG-213 cable has less loss at a given frequency
BRG-58 cable can handle higher power levels
CRG-58 cable has two shields
DThere is no significant difference between the two types

Figure T-2

Figure T-1