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?

Gamma radiation
Ionizing radiation
Alpha radiation
Non-ionizing radiation

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?

Five years
Life
Ten years
Twenty years

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'?

Tactical call
Self-assigned designator
SSID
Broadcast station

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?

QRU
QSY
QSL
QRZ

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?

Wave speed
Waveform
Wavelength
Wave spread

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?

Volts
Watts
Ohms
Amperes

T5B09: What is the approximate amount of change, measured in decibels (dB), of a power increase from 5 watts to 10 watts?

2 dB
3 dB
5 dB
10 dB

T5C11: How many amperes are flowing in a circuit when the applied voltage is 12 volts DC and the load is 120 watts?

0.1 amperes
10 amperes
12 amperes
132 amperes

T5D11: What is the voltage across a 10-ohm resistor if a current of 1 ampere flows through it?

1 volt
10 volts
11 volts
9 volts

T6A10: What is the nominal voltage of a fully charged nickel-cadmium cell?

1.0 volts
1.2 volts
1.5 volts
2.2 volts

T6B01: What class of electronic components is capable of using a voltage or current signal to control current flow?

Capacitors
Inductors
Resistors
Transistors

T6C07: What is component 8 in figure T2?

Resistor
Inductor
Regulator IC
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?

FM
SSB
AM
Spread Spectrum

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?

112
50
19
12

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