Ham Technician License Practice Quiz


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

T0A12: What kind of hazard might exist in a power supply when it is turned off and disconnected?

Static electricity could damage the grounding system
Circulating currents inside the transformer might cause damage
The fuse might blow if you remove the cover
You might receive an electric shock from stored charge in large capacitors

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

T0C02: Which of the following frequencies has the lowest Maximum Permissible Exposure limit?

3.5 MHz
50 MHz
440 MHz
1296 MHz

T1A04: Which of the following meets the FCC definition of harmful interference?

Radio transmissions that annoy users of a repeater
Unwanted radio transmissions that cause costly harm to radio station apparatus
That which seriously degrades, obstructs, or repeatedly interrupts a radio communication service operating in accordance with the Radio Regulations
Static from lightning storms

T1B09: Why should you not set your transmit frequency to be exactly at the edge of an amateur band or sub-band?

To allow for calibration error in the transmitter frequency display
So that modulation sidebands do not extend beyond the band edge
To allow for transmitter frequency drift
All of these choices are correct

T1C03: What types of international communications are permitted by an FCC-licensed amateur station?

Communications incidental to the purposes of the amateur service and remarks of a personal character
Communications incidental to conducting business or remarks of a personal nature
Only communications incidental to contest exchanges, all other communications are prohibited
Any communications that would be permitted on an international broadcast station

T1D08: When may the control operator of an amateur station receive compensation for operating the station?

When engaging in communications on behalf of their employer
When the communication is incidental to classroom instruction at an educational institution
When re-broadcasting weather alerts during a RACES net
When notifying other amateur operators of the availability for sale or trade of apparatus

T1E07: When the control operator is not the station licensee, who is responsible for the proper operation of the station?

All licensed amateurs who are present at the operation
Only the station licensee
Only the control operator
The control operator and the station licensee are equally responsible

T1F02: When using tactical identifiers, how often must your station transmit the station's FCC-assigned call sign?

Never, the tactical call is sufficient
Once during every hour
Every ten minutes
At the end of every communication

T2A01: What is the most common repeater frequency offset in the 2 meter band?

plus 500 kHz
plus or minus 600 kHz
minus 500 kHz
Only plus 600 kHz

T2B08: What is the proper course of action if your station's transmission unintentionally interferes with another station?

Rotate your antenna slightly
Properly identify your transmission and move to a different frequency
Increase power
Change antenna polarization

T2C04: What do RACES and ARES have in common?

They represent the two largest ham clubs in the United States
Both organizations broadcast road and weather traffic information
Neither may handle emergency traffic supporting public service agencies
Both organizations may provide communications during emergencies

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

The stratosphere
The troposphere
The ionosphere
The magnetosphere

T3B03: What are the two components of a radio wave?

AC and DC
Voltage and current
Electric and magnetic fields
Ionizing and non-ionizing radiation

T3C02: Which of the following might be happening when VHF signals are being received from long distances?

Signals are being reflected from outer space
Signals are arriving by sub-surface ducting
Signals are being reflected by lightning storms in your area
Signals are being refracted from a sporadic E layer

T4A05: What type of filter should be connected to a TV receiver as the first step in trying to prevent RF overload from a nearby 2 meter transmitter?

Low-pass filter
High-pass filter
Band-pass filter
Band-reject filter

T4B10: Which of the following is an appropriate receive filter to select in order to minimize noise and interference for CW reception?

500 Hz
1000 Hz
2400 Hz
5000 Hz

T5A11: What is the basic unit of electromotive force?

The volt
The watt
The ampere
The ohm

T5B05: Which of the following is equivalent to 500 milliwatts?

0.02 watts
0.5 watts
5 watts
50 watts

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

AF
HF
RF
VHF

T5D07: What is the current flow in a circuit with an applied voltage of 120 volts and a resistance of 80 ohms?

9600 amperes
200 amperes
0.667 amperes
1.5 amperes

T6A02: What type of component is often used as an adjustable volume control?

Fixed resistor
Power resistor
Potentiometer
Transformer

T6B07: What does the abbreviation "LED" stand for?

Low Emission Diode
Light Emitting Diode
Liquid Emission Detector
Long Echo Delay

T6C05: What is component 4 in figure T1?

Resistor
Transistor
Battery
Ground symbol

T6D03: What type of switch is represented by item 3 in figure T2?

Single-pole single-throw
Single-pole double-throw
Double-pole single-throw
Double-pole double-throw

T7A08: Which of the following circuits combines a speech signal and an RF carrier?

Beat frequency oscillator
Discriminator
Modulator
Noise blanker

T7B09: What could be happening if another operator reports a variable high-pitched whine on the audio from your mobile transmitter?

Your microphone is picking up noise from an open window
You have the volume on your receiver set too high
You need to adjust your squelch control
Noise on the vehicle's electrical system is being transmitted along with your speech audio

T7C04: What reading on an SWR meter indicates a perfect impedance match between the antenna and the feedline?

2 to 1
1 to 3
1 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

T8B11: What is a commonly used method of sending signals to and from a digital satellite?

USB AFSK
PSK31
FM Packet
WSJT

T8C11: What name is given to an amateur radio station that is used to connect other amateur stations to the Internet?

A gateway
A repeater
A digipeater
A beacon

T8D04: What type of transmission is indicated by the term NTSC?

A Normal Transmission mode in Static Circuit
A special mode for earth satellite uplink
An analog fast scan color TV signal
A frame compression scheme for TV signals

T9A01: What is a beam antenna?

An antenna built from aluminum I-beams
An omnidirectional antenna invented by Clarence Beam
An antenna that concentrates signals in one direction
An antenna that reverses the phase of received signals

T9B03: Why is coaxial cable used more often than any other feedline for amateur radio antenna systems?

It is easy to use and requires few special installation considerations
It has less loss than any other type of feedline
It can handle more power than any other type of feedline
It is less expensive than any other types of feedline