Ham Technician License Practice Quiz


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

T0A04: What is the purpose of a fuse in an electrical circuit?

To prevent power supply ripple from damaging a circuit
To interrupt power in case of overload
To limit current to prevent shocks
All of these choices are correct

T0B09: Why should you avoid attaching an antenna to a utility pole?

The antenna will not work properly because of induced voltages
The utility company will charge you an extra monthly fee
The antenna could contact high-voltage power wires
All of these choices are correct

T0C09: How can you make sure your station stays in compliance with RF safety regulations?

By informing the FCC of any changes made in your station
By re-evaluating the station whenever an item of equipment is changed
By making sure your antennas have low SWR
All of these choices are correct

T1A06: What is the FCC Part 97 definition of telecommand?

An instruction bulletin issued by the FCC
A one-way radio transmission of measurements at a distance from the measuring instrument
A one-way transmission to initiate, modify or terminate functions of a device at a distance
An instruction from a VEC

T1B03: Which frequency is within the 6 meter band?

49.00 MHz
52.525 MHz
28.50 MHz
222.15 MHz

T1C08: What is the normal term for an FCC-issued primary station/operator license grant?

Five years
Life
Ten years
Twenty years

T1D11: Which of the following types of communications are permitted in the Amateur Radio Service?

Brief transmissions to make station adjustments
Retransmission of entertainment programming from a commercial radio or TV station
Retransmission of entertainment material from a public radio or TV station
Communications on a regular basis that could reasonably be furnished alternatively through other radio services

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

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

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

T3A05: When using a directional antenna, how might your station be able to access a distant repeater if buildings or obstructions are blocking the direct line of sight path?

Change from vertical to horizontal polarization
Try to find a path that reflects signals to the repeater
Try the long path
Increase the antenna SWR

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

T3C01: Why are "direct" (not via a repeater) UHF signals rarely heard from stations outside your local coverage area?

They are too weak to go very far
FCC regulations prohibit them from going more than 50 miles
UHF signals are usually not reflected by the ionosphere
They collide with trees and shrubbery and fade out

T4A08: Which type of conductor is best to use for RF grounding?

Round stranded wire
Round copper-clad steel wire
Twisted-pair cable
Flat strap

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

T5A06: How much voltage does a mobile transceiver usually require?

About 12 volts
About 30 volts
About 120 volts
About 240 volts

T5B10: What is the approximate amount of change, measured in decibels (dB), of a power decrease from 12 watts to 3 watts?

1 dB
3 dB
6 dB
9 dB

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

Admittance
Capacitance
Resistance
Inductance

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

T6A07: What electrical component is usually composed of a coil of wire?

Switch
Capacitor
Diode
Inductor

T6B12: What is the term that describes a transistor's ability to amplify a signal?

Gain
Forward resistance
Forward voltage drop
On resistance

T6C03: What is component 2 in figure T1?

Resistor
Transistor
Indicator lamp
Connector

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

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

Beat frequency oscillator
Discriminator
Modulator
Noise blanker

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

T7C06: What does an SWR reading of 4:1 mean?

An antenna loss of 4 dB
A good impedance match
An antenna gain of 4
An impedance mismatch

T7D11: Which of the following precautions should be taken when measuring circuit resistance with an ohmmeter?

Ensure that the applied voltages are correct
Ensure that the circuit is not powered
Ensure that the circuit is grounded
Ensure that the circuit is operating at the correct frequency

T8A01: Which of the following is a form of amplitude modulation?

Spread-spectrum
Packet radio
Single sideband
Phase shift keying

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

USB AFSK
PSK31
FM Packet
WSJT

T8C03: What popular operating activity involves contacting as many stations as possible during a specified period of time?

Contesting
Net operations
Public service events
Simulated emergency exercises

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

T9A09: What is the approximate length, in inches, of a 6 meter 1/2-wavelength wire dipole antenna?

6
50
112
236

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