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

T0B03: Under what circumstances is it safe to climb a tower without a helper or observer?

When no electrical work is being performed
When no mechanical work is being performed
When the work being done is not more than 20 feet above the ground
Never

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

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

T1B01: What is the ITU?

An agency of the United States Department of Telecommunications Management
A United Nations agency for information and communication technology issues
An independent frequency coordination agency
A department of the FCC

T1C06: From which of the following may an FCC-licensed amateur station transmit, in addition to places where the FCC regulates communications?

From within any country that belongs to the International Telecommunications Union
From within any country that is a member of the United Nations
From anywhere within in ITU Regions 2 and 3
From any vessel or craft located in international waters and documented or registered in the United States

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

T1E08: What type of control is being used for a repeater when the control operator is not present at a control point?

Local control
Remote control
Automatic control
Unattended

T1F13: When must the station licensee make the station and its records available for FCC inspection?

Any time upon request by an official observer
Any time upon request by an FCC representative
30 days prior to renewal of the station license
10 days before the first transmission

T2A10: What is a band plan, beyond the privileges established by the FCC?

A voluntary guideline for using different modes or activities within an amateur band
A mandated list of operating schedules
A list of scheduled net frequencies
A plan devised by a club to use a frequency band during a contest

T2B07: What should you do if you receive a report that your station's transmissions are causing splatter or interference on nearby frequencies?

Increase transmit power
Change mode of transmission
Report the interference to the equipment manufacturer
Check your transmitter for off-frequency operation or spurious emissions

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

T3B02: What term describes the number of times per second that an alternating current reverses direction?

Pulse rate
Speed
Wavelength
Frequency

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

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

T4B01: What may happen if a transmitter is operated with the microphone gain set too high?

The output power might be too high
The output signal might become distorted
The frequency might vary
The SWR might increase

T5A10: Which term describes the rate at which electrical energy is used?

Resistance
Current
Power
Voltage

T5B06: If an ammeter calibrated in amperes is used to measure a 3000-milliampere current, what reading would it show?

0.003 amperes
0.3 amperes
3 amperes
3,000,000 amperes

T5C06: What is the abbreviation that refers to radio frequency signals of all types?

AF
HF
RF
VHF

T5D09: What is the current flowing through a 24-ohm resistor connected across 240 volts?

24,000 amperes
0.1 amperes
10 amperes
216 amperes

T6A03: What electrical parameter is controlled by a potentiometer?

Inductance
Resistance
Capacitance
Field strength

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

Oscillator
Potentiometer
Transistor
Voltmeter

T6C06: What is component 6 in figure T2?

Resistor
Capacitor
Regulator IC
Transistor

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

T7A07: If figure T5 represents a transceiver in which block 1 is the transmitter portion and block 3 is the receiver portion, what is the function of block 2?

A balanced modulator
A transmit-receive switch
A power amplifier
A high-pass filter

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

T7D07: Which of the following measurements are commonly made using a multimeter?

SWR and RF power
Signal strength and noise
Impedance and reactance
Voltage and resistance

T8A08: What is the approximate bandwidth of a single sideband voice signal?

1 kHz
3 kHz
6 kHz
15 kHz

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

T8C06: For what purpose is a temporary "1 by 1" format (letter-number-letter) call sign assigned?

To designate an experimental station
To honor a deceased relative who was a radio amateur
For operations in conjunction with an activity of special significance to the amateur community
All of these choices are correct

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

T9A05: How would you change a dipole antenna to make it resonant on a higher frequency?

Lengthen it
Insert coils in series with radiating wires
Shorten it
Add capacity hats to the ends of the radiating wires

T9B02: What is the impedance of the most commonly used coaxial cable in typical amateur radio installations?

8 ohms
50 ohms
600 ohms
12 ohms