Ham Technician License Practice Quiz


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

T0A02: How does current flowing through the body cause a health hazard?

By heating tissue
It disrupts the electrical functions of cells
It causes involuntary muscle contractions
All of these choices are correct

T0B10: Which of the following is true concerning grounding conductors used for lightning protection?

Only non-insulated wire must be used
Wires must be carefully routed with precise right-angle bends
Sharp bends must be avoided
Common grounds must be avoided

T0C01: What type of radiation are VHF and UHF radio signals?

Gamma radiation
Ionizing radiation
Alpha radiation
Non-ionizing radiation

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 only
CW and RTTY
SSB only
CW and SSB

T1C10: How soon may you operate a transmitter on an amateur service frequency after you pass the examination required for your first amateur radio license?

Immediately
30 days after the test date
As soon as your name and call sign appear in the FCC's ULS database
You must wait until you receive your license in the mail from the FCC

T1D10: What is the meaning of the term broadcasting in the FCC rules for the amateur services?

Two-way transmissions by amateur stations
Transmission of music
Transmission of messages directed only to amateur operators
Transmissions intended for reception by the general public

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

T1F05: What method of call sign identification is required for a station transmitting phone signals?

Send the call sign followed by the indicator RPT
Send the call sign using CW or phone emission
Send the call sign followed by the indicator R
Send the call sign using only phone emission

T2A06: What must an amateur operator do when making on-air transmissions to test equipment or antennas?

Properly identify the transmitting station
Make test transmissions only after 10:00 p.m. local time
Notify the FCC of the test transmission
State the purpose of the test during the test procedure

T2B10: What is the "Q" signal used to indicate that you are receiving interference from other stations?

QRM
QRN
QTH
QSB

T2C11: What is meant by the term "check" in reference to a formal traffic message?

The check is a count of the number of words or word equivalents in the text portion of the message
The check is the value of a money order attached to the message
The check is a list of stations that have relayed the message
The check is a box on the message form that tells you the message was received

T3A11: Which part of the atmosphere enables the propagation of radio signals around the world?

The stratosphere
The troposphere
The ionosphere
The magnetosphere

T3B10: What frequency range is referred to as HF?

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

T3C10: What is the radio horizon?

The distance at which radio signals between two points are effectively blocked by the curvature of the Earth
The distance from the ground to a horizontally mounted antenna
The farthest point you can see when standing at the base of your antenna tower
The shortest distance between two points on the Earth's surface

T4A10: What is the source of a high-pitched whine that varies with engine speed in a mobile transceiver's receive audio?

The ignition system
The alternator
The electric fuel pump
Anti-lock braking system controllers

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

T5A05: What is the electrical term for the electromotive force (EMF) that causes electron flow?

Voltage
Ampere-hours
Capacitance
Inductance

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

T5C05: What is the unit of frequency?

Hertz
Henry
Farad
Tesla

T5D04: What is the resistance of a circuit in which a current of 3 amperes flows through a resistor connected to 90 volts?

3 ohms
30 ohms
93 ohms
270 ohms

T6A11: Which battery type is not rechargeable?

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

T6B11: Which semiconductor component has a gate electrode?

Bipolar transistor
Field effect transistor
Silicon diode
Bridge rectifier

T6C06: What is component 6 in figure T2?

Resistor
Capacitor
Regulator IC
Transistor

T6D08: Which of the following is used together with an inductor to make a tuned circuit?

Resistor
Zener diode
Potentiometer
Capacitor

T7A05: What is the function of block 1 if figure T4 is a simple CW transmitter?

Reactance modulator
Product detector
Low-pass filter
Oscillator

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

T7C05: What is the approximate SWR value above which the protection circuits in most solid-state transmitters begin to reduce transmitter power?

2 to 1
1 to 2
6 to 1
10 to 1

T7D01: Which instrument would you use to measure electric potential or electromotive force?

An ammeter
A voltmeter
A wavemeter
An ohmmeter

T8A10: What is the typical bandwidth of analog fast-scan TV transmissions on the 70 cm band?

More than 10 MHz
About 6 MHz
About 3 MHz
About 1 MHz

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

T8C02: Which of these items would be useful for a hidden transmitter hunt?

Calibrated SWR meter
A directional antenna
A calibrated noise bridge
All of these choices are correct

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

T9A11: What is meant by the gain of an antenna?

The additional power that is added to the transmitter power
The additional power that is lost in the antenna when transmitting on a higher frequency
The increase in signal strength in a specified direction when compared to a reference antenna
The increase in impedance on receive or transmit compared to a reference antenna

T9B09: What might cause erratic changes in SWR readings?

The transmitter is being modulated
A loose connection in an antenna or a feedline
The transmitter is being over-modulated
Interference from other stations is distorting your signal