Ham Technician License Practice Quiz
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T0A01: Which is a commonly accepted value for the lowest voltage that can cause a dangerous electric shock?
T0B09: Why should you avoid attaching an antenna to a utility pole?
The antenna will not work properly because of induced voltages
The utility company will charge you an extra monthly fee
The antenna could contact high-voltage power wires
All of these choices are correct
T0C02: Which of the following frequencies has the lowest Maximum Permissible Exposure limit?
T1A07: What is the FCC Part 97 definition of telemetry?
An information bulletin issued by the FCC
A one-way transmission to initiate, modify or terminate functions of a device at a distance
A one-way transmission of measurements at a distance from the measuring instrument
An information bulletin from a VEC
T1B11: What emission modes are permitted in the mode-restricted sub-bands at 50.0 to 50.1 MHz and 144.0 to 144.1 MHz?
CW and RTTY
CW and SSB
T1C09: What is the grace period following the expiration of an amateur license within which the license may be renewed?
T1D01: With which countries are FCC-licensed amateur stations prohibited from exchanging communications?
Any country whose administration has notified the ITU that it objects to such communications
Any country whose administration has notified the United Nations that it objects to such communications
Any country engaged in hostilities with another country
Any country in violation of the War Powers Act of 1934
T1E09: What type of control is being used when transmitting using a handheld radio?
T1F12: How many persons are required to be members of a club for a club station license to be issued by the FCC?
At least 5
At least 4
A trustee and 2 officers
At least 2
T2A04: What is an appropriate way to call another station on a repeater if you know the other station's call sign?
Say "break, break" then say the station's call sign
Say the station's call sign then identify with your call sign
Say "CQ" three times then the other station's call sign
Wait for the station to call "CQ" then answer it
T2B09: Which of the following methods is encouraged by the FCC when identifying your station when using phone?
Use of a phonetic alphabet
Send your call sign in CW as well as voice
Repeat your call sign three times
Increase your signal to full power when identifying
T2C06: Which of the following is common practice during net operations to get the immediate attention of the net control station when reporting an emergency?
Repeat the words SOS three times followed by the call sign of the reporting station
Press the push-to-talk button three times
Begin your transmission with 'Priority' or 'Emergency' followed by your call sign
Play a pre-recorded emergency alert tone followed by your call sign
T3A09: Which of the following is a common effect of "skip" reflections between the Earth and the ionosphere?
The sidebands become reversed at each reflection
The polarization of the original signal is randomized
The apparent frequency of the received signal is shifted by a random amount
Signals at frequencies above 30 MHz become stronger with each reflection
T3B07: What property of radio waves is often used to identify the different frequency bands?
The approximate wavelength
The magnetic intensity of waves
The time it takes for waves to travel one mile
The voltage standing wave ratio of waves
T3C05: What is meant by the term "knife-edge" propagation?
Signals are reflected back toward the originating station at acute angles
Signals are sliced into several discrete beams and arrive via different paths
Signals are partially refracted around solid objects exhibiting sharp edges
Signals propagated close to the band edge exhibiting a sharp cutoff
T4A11: Where should a mobile transceiver's power negative connection be made?
At the battery or engine block ground strap
At the antenna mount
To any metal part of the vehicle
Through the transceiver's mounting bracket
T4B03: What is the purpose of the squelch control on a transceiver?
To set the highest level of volume desired
To set the transmitter power level
To adjust the automatic gain control
To mute receiver output noise when no signal is being received
T5A06: How much voltage does a mobile transceiver usually require?
About 12 volts
About 30 volts
About 120 volts
About 240 volts
T5B11: What is the approximate amount of change, measured in decibels (dB), of a power increase from 20 watts to 200 watts?
T5C06: What is the abbreviation that refers to radio frequency signals of all types?
T5D03: What formula is used to calculate resistance in a circuit?
Resistance (R) equals voltage (E) multiplied by current (I)
Resistance (R) equals voltage (E) divided by current (I)
Resistance (R) equals voltage (E) added to current (I)
Resistance (R) equals voltage (E) minus current (I)
T6A08: What electrical component is used to connect or disconnect electrical circuits?
T6B01: What class of electronic components is capable of using a voltage or current signal to control current flow?
T6C12: What do the symbols on an electrical circuit schematic diagram represent?
T6D04: Which of the following can be used to display signal strength on a numeric scale?
T7A03: What is the function of a mixer in a superheterodyne receiver?
To reject signals outside of the desired passband
To combine signals from several stations together
To shift the incoming signal to an intermediate frequency
To connect the receiver with an auxiliary device, such as a TNC
T7B12: What does the acronym "BER" mean when applied to digital communications systems?
Baud Enhancement Recovery
Baud Error Removal
Bit Error Rate
Bit Exponent Resource
T7C03: What, in general terms, is standing wave ratio (SWR)?
A measure of how well a load is matched to a transmission line
The ratio of high to low impedance in a feedline
The transmitter efficiency ratio
An indication of the quality of your station's ground connection
T7D09: What is the characteristic appearance of a "cold" solder joint?
Dark black spots
A bright or shiny surface
A grainy or dull surface
A greenish tint
T8A08: What is the approximate bandwidth of a single sideband voice signal?
T8B10: What do the initials LEO tell you about an amateur satellite?
The satellite battery is in Low Energy Operation mode
The satellite is performing a Lunar Ejection Orbit maneuver
The satellite is in a Low Earth Orbit
The satellite uses Light Emitting Optics
T8C07: What is the maximum power allowed when transmitting telecommand signals to radio controlled models?
T8D08: Which of the following may be included in packet transmissions?
A check sum which permits error detection
A header which contains the call sign of the station to which the information is being sent
Automatic repeat request in case of error
All of these choices are correct
T9A06: What type of antennas are the quad, Yagi, and dish?
T9B11: Which of the following types of feedline has the lowest loss at VHF and UHF?
50-ohm flexible coax
Multi-conductor unbalanced cable
Air-insulated hard line
75-ohm flexible coax