Ham Radio Technician Verified Revision
Questions and Answers
What electrical parameter is controlled by a potentiometer? {ANSW} Resistance
What should be the first step to resolve cable TV interference from your ham radio
transmission? {ANSW} Be sure all TV coaxial connectors are installed properly
Who must designate the station control operator? {ANSW} The station licensee
What is an advantage of using a properly mounted 5/8 wavelength antenna for VHF or
UHF mobile service? {ANSW} It has a lower radiation angle and more gain than a 1/4
wavelength antenna
Which of the following might damage a multimeter? {ANSW} Attempting to measure
voltage whenusing the resistance setting
Which Q signal indicates that you are changing frequency? {ANSW} QSY
What is the electrical term for the electromotive force (EMF) that causes electron flow?
{ANSW} Voltage
What is the purpose of a fuse in an electrical circuit? {ANSW} To interrupt power in
case of overload
What happens to current at the junction of two components in parallel? {ANSW} It
divides between them dependenton the value of the components
What is component 4 in figure T1? {ANSW} Battery
Who must designate the station control operator? {ANSW} The station licensee
What is component 2 in figure T1? {ANSW} Transistor
How many operator/primary station license grants may be held by any one person?
{ANSW} One
What is the source of a high-pitched whine that varies with engine speed in a mobile
transceiver's receive audio? {ANSW} The alternator
, What is the minimum safe distance from a power line to allow when installing an
antenna? {ANSW} Enough so that if the antenna fallsunexpectedly, no part of it can
comecloser than 10 feet to the power wires
What type of transmission is indicated by the term "NTSC?" {ANSW} An analog fast
scan color TV signal
What is the approximate maximum bandwidth required to transmit a CW signal?
{ANSW} 150 Hz
Which frequency is within the 6 meter amateur band? {ANSW} 52.525 MHz
Which of the following is true of PL-259 type coax connectors? {ANSW} They are
commonly used at HFfrequencies
What types of international communications is an FCC-licensed amateur radio station
permitted to make? {ANSW} Communications incidental to the purposes of the
Amateur RadioService and remarks of a personal character
Which of the following could you use to cure distorted audio caused by RF current on
the shield of a microphone cable? {ANSW} Ferrite choke
What type of electrical component consists of two or more conductive surfaces
separated by an insulator? {ANSW} Capacitor
Which of the following are provided by satellite tracking programs? {ANSW} All of these
choices are correct
What type of switch is represented by component 3 in figure T2? {ANSW} Single-pole
single-throw
What are the FCC rules regarding the use of a phonetic alphabet for station
identification in the Amateur Radio Service? {ANSW} It is encouraged
Which of the following results from the fact that skip signals refracted from the
ionosphere are elliptically polarized {ANSW} Either vertically or horizontallypolarized
antennas may be used for transmission or reception
What is the approximate length, in inches, of a quarter-wavelength vertical antenna for
146 MHz? {ANSW} 19
What is an electronic keyer? {ANSW} A device that assists in manualsending of Morse
code
What is the name for a current that reverses direction on a regular basis? {ANSW}
Alternating current
Questions and Answers
What electrical parameter is controlled by a potentiometer? {ANSW} Resistance
What should be the first step to resolve cable TV interference from your ham radio
transmission? {ANSW} Be sure all TV coaxial connectors are installed properly
Who must designate the station control operator? {ANSW} The station licensee
What is an advantage of using a properly mounted 5/8 wavelength antenna for VHF or
UHF mobile service? {ANSW} It has a lower radiation angle and more gain than a 1/4
wavelength antenna
Which of the following might damage a multimeter? {ANSW} Attempting to measure
voltage whenusing the resistance setting
Which Q signal indicates that you are changing frequency? {ANSW} QSY
What is the electrical term for the electromotive force (EMF) that causes electron flow?
{ANSW} Voltage
What is the purpose of a fuse in an electrical circuit? {ANSW} To interrupt power in
case of overload
What happens to current at the junction of two components in parallel? {ANSW} It
divides between them dependenton the value of the components
What is component 4 in figure T1? {ANSW} Battery
Who must designate the station control operator? {ANSW} The station licensee
What is component 2 in figure T1? {ANSW} Transistor
How many operator/primary station license grants may be held by any one person?
{ANSW} One
What is the source of a high-pitched whine that varies with engine speed in a mobile
transceiver's receive audio? {ANSW} The alternator
, What is the minimum safe distance from a power line to allow when installing an
antenna? {ANSW} Enough so that if the antenna fallsunexpectedly, no part of it can
comecloser than 10 feet to the power wires
What type of transmission is indicated by the term "NTSC?" {ANSW} An analog fast
scan color TV signal
What is the approximate maximum bandwidth required to transmit a CW signal?
{ANSW} 150 Hz
Which frequency is within the 6 meter amateur band? {ANSW} 52.525 MHz
Which of the following is true of PL-259 type coax connectors? {ANSW} They are
commonly used at HFfrequencies
What types of international communications is an FCC-licensed amateur radio station
permitted to make? {ANSW} Communications incidental to the purposes of the
Amateur RadioService and remarks of a personal character
Which of the following could you use to cure distorted audio caused by RF current on
the shield of a microphone cable? {ANSW} Ferrite choke
What type of electrical component consists of two or more conductive surfaces
separated by an insulator? {ANSW} Capacitor
Which of the following are provided by satellite tracking programs? {ANSW} All of these
choices are correct
What type of switch is represented by component 3 in figure T2? {ANSW} Single-pole
single-throw
What are the FCC rules regarding the use of a phonetic alphabet for station
identification in the Amateur Radio Service? {ANSW} It is encouraged
Which of the following results from the fact that skip signals refracted from the
ionosphere are elliptically polarized {ANSW} Either vertically or horizontallypolarized
antennas may be used for transmission or reception
What is the approximate length, in inches, of a quarter-wavelength vertical antenna for
146 MHz? {ANSW} 19
What is an electronic keyer? {ANSW} A device that assists in manualsending of Morse
code
What is the name for a current that reverses direction on a regular basis? {ANSW}
Alternating current
