Ham Radio Technician Test Questions and
Correct Answers Latest Updated
Question 1
T1A14) What must you do if you are operating on the 23 cm band and learn that you
are interfering with a radiolocation station outside the United States?
A. Stop operating or take steps to eliminate the harmful interference
B. Nothing, because this band is allocated exclusively to the amateur service
C. Establish contact with the radiolocation station and ask them to change frequency
D. Change to CW mode, because this would not likely cause interference
Correct Answer
Stop operating or take steps to eliminate the harmful interference
Question 2
T5A08) Which of the following is a good electrical insulator?
A. Copper
B. Glass
C. Aluminum
D. Mercury
Correct Answer
Glass
Question 3
T4B01) What may happen if a transmitter is operated with the microphone gain set
too high?
A. The output power might be too high
B. The output signal might become distorted
C. The frequency might vary
D. The SWR might increase
Correct Answer
The output signal might become distorted
Page 1 of 144
,Question 4
T3B02) What property of a radio wave is used to describe its polarization?
A. The orientation of the electric field
B. The orientation of the magnetic field
C. The ratio of the energy in the magnetic field to the energy in the electric field
D. The ratio of the velocity to the wavelength
Correct Answer
The orientation of the electric field
Question 5
T8B09) What causes spin fading when referring to satellite signals?
A. Circular polarized noise interference radiated from the sun
B. Rotation of the satellite and its antennas
C. Doppler shift of the received signal
D. Interfering signals within the satellite uplink band
Correct Answer
Rotation of the satellite and its antennas
Question 6
T6C12) What do the symbols on an electrical circuit schematic diagram represent?
A. Electrical components
B. Logic states
C. Digital codes
D. Traffic nodes
Correct Answer
Electrical components
Page 2 of 144
,Question 7
T2A12) Which of the following is a guideline to use when choosing an operating
frequency for calling CQ?
A. Listen first to be sure that no one else is using the frequency
B. Ask if the frequency is in use
C. Make sure you are in your assigned band
D. All of these choices are correct
Correct Answer
- Listen first to be sure that no one else is using the frequency
- Ask if the frequency is in use
- Make sure you are in your assigned band
Question 8
T6C01) What is the name for standardized representations of components in an
electrical wiring diagram?
A. Electrical depictions
B. Grey sketch
C. Schematic symbols
D. Component callouts
Correct Answer
Schematic symbols
Question 9
T1A07) What is the FCC Part 97 definition of telemetry?
A. An information bulletin issued by the FCC
B. A one-way transmission to initiate, modify or terminate functions of a device at a
distance
C. A one-way transmission of measurements at a distance from the measuring
instrument
D. An information bulletin from a VEC
Correct Answer
A one-way transmission of measurements at a distance from the measuring
instrument
Page 3 of 144
, Question 10
T3C05) Which of the following effects might cause radio signals to be heard despite
obstructions between the transmitting and receiving stations?
A. Knife-edge diffraction
B. Faraday rotation
C. Quantum tunneling
D. Doppler shift
Correct Answer
Knife-edge diffraction
Question 11
T6B12) What is the term that describes a transistor's ability to amplify a signal?
A. Gain
B. Forward resistance
C. Forward voltage drop
D. On resistance
Correct Answer
Gain
Question 12
T6B02) What electronic component allows current to flow in only one direction?
A. Resistor
B. Fuse
C. Diode
D. Driven Element
Correct Answer
Diode
Page 4 of 144
Correct Answers Latest Updated
Question 1
T1A14) What must you do if you are operating on the 23 cm band and learn that you
are interfering with a radiolocation station outside the United States?
A. Stop operating or take steps to eliminate the harmful interference
B. Nothing, because this band is allocated exclusively to the amateur service
C. Establish contact with the radiolocation station and ask them to change frequency
D. Change to CW mode, because this would not likely cause interference
Correct Answer
Stop operating or take steps to eliminate the harmful interference
Question 2
T5A08) Which of the following is a good electrical insulator?
A. Copper
B. Glass
C. Aluminum
D. Mercury
Correct Answer
Glass
Question 3
T4B01) What may happen if a transmitter is operated with the microphone gain set
too high?
A. The output power might be too high
B. The output signal might become distorted
C. The frequency might vary
D. The SWR might increase
Correct Answer
The output signal might become distorted
Page 1 of 144
,Question 4
T3B02) What property of a radio wave is used to describe its polarization?
A. The orientation of the electric field
B. The orientation of the magnetic field
C. The ratio of the energy in the magnetic field to the energy in the electric field
D. The ratio of the velocity to the wavelength
Correct Answer
The orientation of the electric field
Question 5
T8B09) What causes spin fading when referring to satellite signals?
A. Circular polarized noise interference radiated from the sun
B. Rotation of the satellite and its antennas
C. Doppler shift of the received signal
D. Interfering signals within the satellite uplink band
Correct Answer
Rotation of the satellite and its antennas
Question 6
T6C12) What do the symbols on an electrical circuit schematic diagram represent?
A. Electrical components
B. Logic states
C. Digital codes
D. Traffic nodes
Correct Answer
Electrical components
Page 2 of 144
,Question 7
T2A12) Which of the following is a guideline to use when choosing an operating
frequency for calling CQ?
A. Listen first to be sure that no one else is using the frequency
B. Ask if the frequency is in use
C. Make sure you are in your assigned band
D. All of these choices are correct
Correct Answer
- Listen first to be sure that no one else is using the frequency
- Ask if the frequency is in use
- Make sure you are in your assigned band
Question 8
T6C01) What is the name for standardized representations of components in an
electrical wiring diagram?
A. Electrical depictions
B. Grey sketch
C. Schematic symbols
D. Component callouts
Correct Answer
Schematic symbols
Question 9
T1A07) What is the FCC Part 97 definition of telemetry?
A. An information bulletin issued by the FCC
B. A one-way transmission to initiate, modify or terminate functions of a device at a
distance
C. A one-way transmission of measurements at a distance from the measuring
instrument
D. An information bulletin from a VEC
Correct Answer
A one-way transmission of measurements at a distance from the measuring
instrument
Page 3 of 144
, Question 10
T3C05) Which of the following effects might cause radio signals to be heard despite
obstructions between the transmitting and receiving stations?
A. Knife-edge diffraction
B. Faraday rotation
C. Quantum tunneling
D. Doppler shift
Correct Answer
Knife-edge diffraction
Question 11
T6B12) What is the term that describes a transistor's ability to amplify a signal?
A. Gain
B. Forward resistance
C. Forward voltage drop
D. On resistance
Correct Answer
Gain
Question 12
T6B02) What electronic component allows current to flow in only one direction?
A. Resistor
B. Fuse
C. Diode
D. Driven Element
Correct Answer
Diode
Page 4 of 144
