Ham Technician License Practice Quiz


• Percentage: 0%; Correct: 0; Total: 0 of 35

T0A03: What is connected to the green wire in a three-wire electrical AC plug?

Neutral
Hot
Safety ground
The white wire

T0B06: What is the minimum safe distance from a power line to allow when installing an antenna?

Half the width of your property
The height of the power line above ground
1/2 wavelength at the operating frequency
So that if the antenna falls unexpectedly, no part of it can come closer than 10 feet to the power wires

T0C04: What factors affect the RF exposure of people near an amateur station antenna?

Frequency and power level of the RF field
Distance from the antenna to a person
Radiation pattern of the antenna
All of these choices are correct

T1A11: Which of the following stations transmits signals over the air from a remote receive site to a repeater for retransmission?

Beacon station
Relay station
Auxiliary station
Message forwarding station

T1B06: Which 23 cm frequency is authorized to a Technician Class operator license?

2315 MHz
1296 MHz
3390 MHz
146.52 MHz

T1C11: If your license has expired and is still within the allowable grace period, may you continue to operate a transmitter on amateur service frequencies?

No, transmitting is not allowed until the ULS database shows that the license has been renewed
Yes, but only if you identify using the suffix "GP"
Yes, but only during authorized nets
Yes, for up to two years

T1D09: Under which of the following circumstances are amateur stations authorized to transmit signals related to broadcasting, program production, or news gathering, assuming no other means is available?

Only where such communications directly relate to the immediate safety of human life or protection of property
Only when broadcasting communications to or from the space shuttle.
Only where noncommercial programming is gathered and supplied exclusively to the National Public Radio network
Only when using amateur repeaters linked to the Internet

T1E04: What determines the transmitting privileges of an amateur station?

The frequency authorized by the frequency coordinator
The class of operator license held by the station licensee
The highest class of operator license held by anyone on the premises
The class of operator license held by the control operator

T1F06: Which of the following formats of a self-assigned indicator is acceptable when identifying using a phone transmission?

KL7CC stroke W3
KL7CC slant W3
KL7CC slash W3
All of these choices are correct

T2A07: Which of the following is true when making a test transmission?

Station identification is not required if the transmission is less than 15 seconds
Station identification is not required if the transmission is less than 1 watt
Station identification is required only if your station can be heard
Station identification is required at least every ten minutes during the test and at the end

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

T2C10: What is the preamble in a formal traffic message?

The first paragraph of the message text
The message number
The priority handling indicator for the message
The information needed to track the message as it passes through the amateur radio traffic handling system

T3A02: Why are UHF signals often more effective from inside buildings than VHF signals?

VHF signals lose power faster over distance
The shorter wavelength allows them to more easily penetrate the structure of buildings
This is incorrect; VHF works better than UHF inside buildings
UHF antennas are more efficient than VHF antennas

T3B08: What are the frequency limits of the VHF spectrum?

30 to 300 kHz
30 to 300 MHz
300 to 3000 kHz
300 to 3000 MHz

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

T4A06: Which of the following would be connected between a transceiver and computer in a packet radio station?

Transmatch
Mixer
Terminal node controller
Antenna

T4B06: Which of the following controls could be used if the voice pitch of a single-sideband signal seems too high or low?

The AGC or limiter
The bandwidth selection
The tone squelch
The receiver RIT or clarifier

T5A11: What is the basic unit of electromotive force?

The volt
The watt
The ampere
The ohm

T5B03: How many volts are equal to one kilovolt?

One one-thousandth of a volt
One hundred volts
One thousand volts
One million volts

T5C03: What is the ability to store energy in a magnetic field called?

Admittance
Capacitance
Resistance
Inductance

T5D06: What is the resistance of a circuit that draws 4 amperes from a 12-volt source?

3 ohms
16 ohms
48 ohms
8 Ohms

T6A11: Which battery type is not rechargeable?

Nickel-cadmium
Carbon-zinc
Lead-acid
Lithium-ion

T6B03: Which of these components can be used as an electronic switch or amplifier?

Oscillator
Potentiometer
Transistor
Voltmeter

T6C02: What is component 1 in figure T1?

Resistor
Transistor
Battery
Connector

T6D11: Which of the following is a common use of coaxial cable?

Carry dc power from a vehicle battery to a mobile radio
Carry RF signals between a radio and antenna
Secure masts, tubing, and other cylindrical objects on towers
Connect data signals from a TNC to a computer

T7A09: Which of the following devices is most useful for VHF weak-signal communication?

A quarter-wave vertical antenna
A multi-mode VHF transceiver
An omni-directional antenna
A mobile VHF FM transceiver

T7B02: What is meant by fundamental overload in reference to a receiver?

Too much voltage from the power supply
Too much current from the power supply
Interference caused by very strong signals
Interference caused by turning the volume up too high

T7C02: Which of the following instruments can be used to determine if an antenna is resonant at the desired operating frequency?

A VTVM
An antenna analyzer
A "Q" meter
A frequency counter

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

T8A11: What is the approximate maximum bandwidth required to transmit a CW signal?

2.4 kHz
150 Hz
1000 Hz
15 kHz

T8B09: What causes "spin fading" when referring to satellite signals?

Circular polarized noise interference radiated from the sun
Rotation of the satellite and its antennas
Doppler shift of the received signal
Interfering signals within the satellite uplink band

T8C05: What is a grid locator?

A letter-number designator assigned to a geographic location
A letter-number designator assigned to an azimuth and elevation
An instrument for neutralizing a final amplifier
An instrument for radio direction finding

T8D10: Which of the following can be used to transmit CW in the amateur bands?

Straight Key
Electronic Keyer
Computer Keyboard
All of these choices are correct

T9A04: What is a disadvantage of the "rubber duck" antenna supplied with most handheld radio transceivers?

It does not transmit or receive as effectively as a full-sized antenna
It transmits a circularly polarized signal
If the rubber end cap is lost it will unravel very quickly
All of these choices are correct

T9B04: What does an antenna tuner do?

It matches the antenna system impedance to the transceiver's output impedance
It helps a receiver automatically tune in weak stations
It allows an antenna to be used on both transmit and receive
It automatically selects the proper antenna for the frequency band being used