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

T0B08: What is considered to be a proper grounding method for a tower?

A single four-foot ground rod, driven into the ground no more than 12 inches from the base
A ferrite-core RF choke connected between the tower and ground
Separate eight-foot long ground rods for each tower leg, bonded to the tower and each other
A connection between the tower base and a cold water pipe

T0C08: Which of the following actions might amateur operators take to prevent exposure to RF radiation in excess of FCC-supplied limits?

Relocate antennas
Relocate the transmitter
Increase the duty cycle
All of these choices are correct

T1A05: What is the FCC Part 97 definition of a space station?

Any multi-stage satellite
An Earth satellite that carries one of more amateur operators
An amateur station located less than 25 km above the Earth's surface
An amateur station located more than 50 km above the Earth's surface

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

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

T1D05: When may amateur radio operators use their stations to notify other amateurs of the availability of equipment for sale or trade?

When the equipment is normally used in an amateur station and such activity is not conducted on a regular basis
When the asking price is $100.00 or less
When the asking price is less than its appraised value
When the equipment is not the personal property of either the station licensee or the control operator or their close relatives

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

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

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

T2B06: What happens when the deviation of an FM transmitter is increased?

Its signal occupies more bandwidth
Its output power increases
Its output power and bandwidth increases
Asymmetric modulation occurs

T2C08: What is usually considered to be the most important job of an amateur operator when handling emergency traffic messages?

Passing messages exactly as written, spoken or as received
Estimating the number of people affected by the disaster
Communicating messages to the news media for broadcast outside the disaster area
Broadcasting emergency information to the general public

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

T3B05: How does the wavelength of a radio wave relate to its frequency?

The wavelength gets longer as the frequency increases
The wavelength gets shorter as the frequency increases
There is no relationship between wavelength and frequency
The wavelength depends on the bandwidth of the signal

T3C11: Why do VHF and UHF radio signals usually travel somewhat farther than the visual line of sight distance between two stations?

Radio signals move somewhat faster than the speed of light
Radio waves are not blocked by dust particles
The Earth seems less curved to radio waves than to light
Radio waves are blocked by dust particles

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

Transmatch
Mixer
Terminal node controller
Antenna

T4B05: Which of the following would reduce ignition interference to a receiver?

Change frequency slightly
Decrease the squelch setting
Turn on the noise blanker
Use the RIT control

T5A01: Electrical current is measured in which of the following units?

Volts
Watts
Ohms
Amperes

T5B07: If a frequency readout calibrated in megahertz shows a reading of 3.525 MHz, what would it show if it were calibrated in kilohertz?

0.003525 kHz
35.25 kHz
3525 kHz
3,525,000 kHz

T5C09: How much power is being used in a circuit when the applied voltage is 13.8 volts DC and the current is 10 amperes?

138 watts
0.7 watts
23.8 watts
3.8 watts

T5D03: What formula is used to calculate resistance in a circuit?

Resistance (R) equals voltage (E) multiplied by current (I)
Resistance (R) equals voltage (E) divided by current (I)
Resistance (R) equals voltage (E) added to current (I)
Resistance (R) equals voltage (E) minus current (I)

T6A11: Which battery type is not rechargeable?

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

T6B04: Which of these components is made of three layers of semiconductor material?

Alternator
Bipolar junction transistor
Triode
Pentagrid converter

T6C04: What is component 3 in figure T1?

Resistor
Transistor
Lamp
Ground symbol

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

T7A11: Which of the following circuits demodulates FM signals?

Limiter
Discriminator
Product detector
Phase inverter

T7B05: What is a logical first step when attempting to cure a radio frequency interference problem in a nearby telephone?

Install a low-pass filter at the transmitter
Install a high-pass filter at the transmitter
Install an RF filter at the telephone
Improve station grounding

T7C03: What, in general terms, is standing wave ratio (SWR)?

A measure of how well a load is matched to a transmission line
The ratio of high to low impedance in a feedline
The transmitter efficiency ratio
An indication of the quality of your station's ground connection

T7D08: Which of the following types of solder is best for radio and electronic use?

Acid-core solder
Silver solder
Rosin-core solder
Aluminum solder

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

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

T8C04: Which of the following is good procedure when contacting another station in a radio contest?

Be sure to sign only the last two letters of your call if there is a pileup calling the station
Work the station twice to be sure that you are in his log
Send only the minimum information needed for proper identification and the contest exchange
All of these choices are correct

T8D01: Which of the following is an example of a digital communications method?

Packet
PSK31
MFSK
All of these choices are correct

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

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