Ham Technician License Practice Quiz
• Percentage: 0%; Correct: 0; Total: 0 of 35
T0A05: Why is it unwise to install a 20-ampere fuse in the place of a 5-ampere fuse?
The larger fuse would be likely to blow because it is rated for higher current
The power supply ripple would greatly increase
Excessive current could cause a fire
All of these choices are correct
T0B05: What is the purpose of a gin pole?
To temporarily replace guy wires
To be used in place of a safety harness
To lift tower sections or antennas
To provide a temporary ground
T0C01: What type of radiation are VHF and UHF radio signals?
T1A10: What is the FCC Part 97 definition of an amateur station?
A station in an Amateur Radio Service consisting of the apparatus necessary for carrying on radio communications
A building where Amateur Radio receivers, transmitters, and RF power amplifiers are installed
Any radio station operated by a non-professional
Any radio station for hobby use
T1B04: Which amateur band are you using when your station is transmitting on 146.52 MHz?
2 meter band
20 meter band
14 meter band
6 meter band
T1C08: What is the normal term for an FCC-issued primary station/operator license grant?
T1D02: On which of the following occasions may an FCC-licensed amateur station exchange messages with a U.S. military station?
During an Armed Forces Day Communications Test
During a Memorial Day Celebration
During an Independence Day celebration
During a propagation test
T1E05: What is an amateur station control point?
The location of the station's transmitting antenna
The location of the station transmitting apparatus
The location at which the control operator function is performed
The mailing address of the station licensee
T1F01: What type of identification is being used when identifying a station on the air as 'Race Headquarters'?
T2A09: What brief statement is often used in place of "CQ" to indicate that you are listening on a repeater?
Say "Hello test" followed by your call sign
Say your call sign
Say the repeater call sign followed by your call sign
Say the letters "QSY" followed by your call sign
T2B11: What is the "Q" signal used to indicate that you are changing frequency?
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
T3A08: What is the cause of irregular fading of signals from distant stations during times of generally good reception?
Absorption of signals by the "D" layer of the ionosphere
Absorption of signals by the "E" layer of the ionosphere
Random combining of signals arriving via different path lengths
Intermodulation distortion in the local receiver
T3B01: What is the name for the distance a radio wave travels during one complete cycle?
T3C08: What causes "tropospheric ducting"?
Discharges of lightning during electrical storms
Sunspots and solar flares
Updrafts from hurricanes and tornadoes
Temperature inversions in the atmosphere
T4A01: Which of the following is true concerning the microphone connectors on amateur transceivers?
All transceivers use the same microphone connector type
Some connectors include push-to-talk and voltages for powering the microphone
All transceivers using the same connector type are wired identically
Un-keyed connectors allow any microphone to be connected
T4B02: Which of the following can be used to enter the operating frequency on a modern transceiver?
The keypad or VFO knob
The CTCSS or DTMF encoder
The Automatic Frequency Control
All of these choices are correct
T5A01: Electrical current is measured in which of the following units?
T5B09: What is the approximate amount of change, measured in decibels (dB), of a power increase from 5 watts to 10 watts?
T5C11: How many amperes are flowing in a circuit when the applied voltage is 12 volts DC and the load is 120 watts?
T5D11: What is the voltage across a 10-ohm resistor if a current of 1 ampere flows through it?
T6A10: What is the nominal voltage of a fully charged nickel-cadmium cell?
T6B01: What class of electronic components is capable of using a voltage or current signal to control current flow?
T6C07: What is component 8 in figure T2?
Light emitting diode
T6D10: What is the function of component 2 in Figure T1?
Give off light when current flows through it
Supply electrical energy
Control the flow of current
Convert electrical energy into radio waves
T7A10: What device increases the low-power output from a handheld transceiver?
A voltage divider
An RF power amplifier
An impedance network
A voltage regulator
T7B11: What is a symptom of RF feedback in a transmitter or transceiver?
Excessive SWR at the antenna connection
The transmitter will not stay on the desired frequency
Reports of garbled, distorted, or unintelligible transmissions
Frequent blowing of power supply fuses
T7C11: What is a disadvantage of "air core" coaxial cable when compared to foam or solid dielectric types?
It has more loss per foot
It cannot be used for VHF or UHF antennas
It requires special techniques to prevent water absorption
It cannot be used at below freezing temperatures
T7D06: Which of the following might damage a multimeter?
Measuring a voltage too small for the chosen scale
Leaving the meter in the milliamps position overnight
Attempting to measure voltage when using the resistance setting
Not allowing it to warm up properly
T8A02: What type of modulation is most commonly used for VHF packet radio transmissions?
T8B07: With regard to satellite communications, what is Doppler shift?
A change in the satellite orbit
A mode where the satellite receives signals on one band and transmits on another
An observed change in signal frequency caused by relative motion between the satellite and the earth station
A special digital communications mode for some satellites
T8C10: How do you select a specific IRLP node when using a portable transceiver?
Choose a specific CTCSS tone
Choose the correct DSC tone
Access the repeater autopatch
Use the keypad to transmit the IRLP node ID
T8D07: What is PSK31?
A high-rate data transmission mode
A method of reducing noise interference to FM signals
A method of compressing digital television signal
A low-rate data transmission mode
T9A08: What is the approximate length, in inches, of a quarter-wavelength vertical antenna for 146 MHz?
T9B08: Why should coax connectors exposed to the weather be sealed against water intrusion?
To prevent an increase in feedline loss
To prevent interference to telephones
To keep the jacket from becoming loose
All of these choices are correct