Ham Technician License Practice Quiz


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

T0A01: Which is a commonly accepted value for the lowest voltage that can cause a dangerous electric shock?

12 volts
30 volts
120 volts
300 volts

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

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

T1A09: Who selects a Frequency Coordinator?

The FCC Office of Spectrum Management and Coordination Policy
The local chapter of the Office of National Council of Independent Frequency Coordinators
Amateur operators in a local or regional area whose stations are eligible to be auxiliary or repeater stations
FCC Regional Field Office

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

T1C02: Which of the following is a valid US amateur radio station call sign?

KMA3505
W3ABC
KDKA
11Q1176

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

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

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

T2A04: What is an appropriate way to call another station on a repeater if you know the other station's call sign?

Say "break, break" then say the station's call sign
Say the station's call sign then identify with your call sign
Say "CQ" three times then the other station's call sign
Wait for the station to call "CQ" then answer it

T2B11: What is the "Q" signal used to indicate that you are changing frequency?

QRU
QSY
QSL
QRZ

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

T3A02: Why are UHF signals often more effective from inside buildings than VHF signals?

VHF signals lose power faster over distance
The shorter wavelength allows them to more easily penetrate the structure of buildings
This is incorrect; VHF works better than UHF inside buildings
UHF antennas are more efficient than VHF antennas

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

T3C09: What is generally the best time for long-distance 10 meter band propagation?

During daylight hours
During nighttime hours
When there are coronal mass ejections
Whenever the solar flux is low

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

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

Volts
Watts
Ohms
Amperes

T5B02: What is another way to specify a radio signal frequency of 1,500,000 hertz?

1500 kHz
1500 MHz
15 GHz
150 kHz

T5C04: What is the basic unit of inductance?

The coulomb
The farad
The henry
The ohm

T5D11: What is the voltage across a 10-ohm resistor if a current of 1 ampere flows through it?

1 volt
10 volts
11 volts
9 volts

T6A04: What electrical component stores energy in an electric field?

Resistor
Capacitor
Inductor
Diode

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

Gain
Forward resistance
Forward voltage drop
On resistance

T6C09: What is component 4 in figure T2?

Variable inductor
Double-pole switch
Potentiometer
Transformer

T6D02: What best describes a relay?

A switch controlled by an electromagnet
A current controlled amplifier
An optical sensor
A pass transistor

T7A13: Where is an RF preamplifier installed?

Between the antenna and receiver
At the output of the transmitter's power amplifier
Between a transmitter and antenna tuner
At the receiver's audio output

T7B03: Which of the following may be a cause of radio frequency interference?

Fundamental overload
Harmonics
Spurious emissions
All of these choices are correct

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

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

T8A02: What type of modulation is most commonly used for VHF packet radio transmissions?

FM
SSB
AM
Spread Spectrum

T8B01: Who may be the control operator of a station communicating through an amateur satellite or space station?

Only an Amateur Extra Class operator
A General Class licensee or higher licensee who has a satellite operator certification
Only an Amateur Extra Class operator who is also an AMSAT member
Any amateur whose license privileges allow them to transmit on the satellite uplink frequency

T8C09: How might you obtain a list of active nodes that use VoIP?

From the FCC Rulebook
From your local emergency coordinator
From a repeater directory
From the local repeater frequency coordinator

T8D05: Which of the following emission modes may be used by a Technician Class operator between 219 and 220 MHz?

Spread spectrum
Data
SSB voice
Fast-scan television

T9A04: What is a disadvantage of the "rubber duck" antenna supplied with most handheld radio transceivers?

It does not transmit or receive as effectively as a full-sized antenna
It transmits a circularly polarized signal
If the rubber end cap is lost it will unravel very quickly
All of these choices are correct

T9B08: Why should coax connectors exposed to the weather be sealed against water intrusion?

To prevent an increase in feedline loss
To prevent interference to telephones
To keep the jacket from becoming loose
All of these choices are correct