Ham Technician License Practice Quiz


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T0A07: Which of these precautions should be taken when installing devices for lightning protection in a coaxial cable feedline?

Include a parallel bypass switch for each protector so that it can be switched out of the circuit when running high power
Include a series switch in the ground line of each protector to prevent RF overload from inadvertently damaging the protector
Keep the ground wires from each protector separate and connected to station ground
Ground all of the protectors to a common plate which is in turn connected to an external ground

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

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

T1B10: Which of the bands available to Technician Class operators have mode-restricted sub-bands?

The 6 meter, 2 meter, and 70 cm bands
The 2 meter and 13 cm bands
The 6 meter, 2 meter, and 1.25 meter bands
The 2 meter and 70 cm bands

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

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

T1E02: Who is eligible to be the control operator of an amateur station?

Only a person holding an amateur service license from any country that belongs to the United Nations
Only a citizen of the United States
Only a person over the age of 18
Only a person for whom an amateur operator/primary station license grant appears in the FCC database or who is authorized for alien reciprocal operation

T1F10: Who is accountable should a repeater inadvertently retransmit communications that violate the FCC rules?

The control operator of the originating station
The control operator of the repeater
The owner of the repeater
Both the originating station and the repeater owner

T2A02: What is the national calling frequency for FM simplex operations in the 70 cm band?

146.520 MHz
145.000 MHz
432.100 MHz
446.000 MHz

T2B03: Which of the following describes the muting of receiver audio controlled solely by the presence or absence of an RF signal?

Tone squelch
Carrier squelch
CTCSS
Modulated carrier

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

T3A10: What may occur if VHF or UHF data signals propagate over multiple paths?

Transmission rates can be increased by a factor equal to the number of separate paths observed
Transmission rates must be decreased by a factor equal to the number of separate paths observed
No significant changes will occur if the signals are transmitting using FM
Error rates are likely to increase

T3B06: What is the formula for converting frequency to wavelength in meters?

Wavelength in meters equals frequency in hertz multiplied by 300
Wavelength in meters equals frequency in hertz divided by 300
Wavelength in meters equals frequency in megahertz divided by 300
Wavelength in meters equals 300 divided by frequency in megahertz

T3C07: What band is best suited to communicating via meteor scatter?

10 meters
6 meters
2 meters
70 cm

T4A10: What is the source of a high-pitched whine that varies with engine speed in a mobile transceiver's receive audio?

The ignition system
The alternator
The electric fuel pump
Anti-lock braking system controllers

T4B03: What is the purpose of the squelch control on a transceiver?

To set the highest level of volume desired
To set the transmitter power level
To adjust the automatic gain control
To mute receiver output noise when no signal is being received

T5A04: What is the name for a current that flows only in one direction?

Alternating current
Direct current
Normal current
Smooth current

T5B08: How many microfarads are 1,000,000 picofarads?

0.001 microfarads
1 microfarad
1000 microfarads
1,000,000,000 microfarads

T5C04: What is the basic unit of inductance?

The coulomb
The farad
The henry
The ohm

T5D04: What is the resistance of a circuit in which a current of 3 amperes flows through a resistor connected to 90 volts?

3 ohms
30 ohms
93 ohms
270 ohms

T6A09: What electrical component is used to protect other circuit components from current overloads?

Fuse
Capacitor
Shield
Inductor

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

Alternator
Bipolar junction transistor
Triode
Pentagrid converter

T6C02: What is component 1 in figure T1?

Resistor
Transistor
Battery
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

T7A03: What is the function of a mixer in a superheterodyne receiver?

To reject signals outside of the desired passband
To combine signals from several stations together
To shift the incoming signal to an intermediate frequency
To connect the receiver with an auxiliary device, such as a TNC

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

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

T7D02: What is the correct way to connect a voltmeter to a circuit?

In series with the circuit
In parallel with the circuit
In quadrature with the circuit
In phase with the circuit

T8A09: What is the approximate bandwidth of a VHF repeater FM phone signal?

Less than 500 Hz
About 150 kHz
Between 5 and 15 kHz
Between 50 and 125 kHz

T8B08: What is meant by the statement that a satellite is operating in "mode U/V"?

The satellite uplink is in the 15 meter band and the downlink is in the 10 meter band
The satellite uplink is in the 70 cm band and the downlink is in the 2 meter band
The satellite operates using ultraviolet frequencies
The satellite frequencies are usually variable

T8C10: How do you select a specific IRLP node when using a portable transceiver?

Choose a specific CTCSS tone
Choose the correct DSC tone
Access the repeater autopatch
Use the keypad to transmit the IRLP node ID

T8D06: What does the abbreviation PSK mean?

Pulse Shift Keying
Phase Shift Keying
Packet Short Keying
Phased Slide Keying

T9A11: What is meant by the gain of an antenna?

The additional power that is added to the transmitter power
The additional power that is lost in the antenna when transmitting on a higher frequency
The increase in signal strength in a specified direction when compared to a reference antenna
The increase in impedance on receive or transmit compared to a reference antenna

T9B06: Which of the following connectors is most suitable for frequencies above 400 MHz?

A UHF (PL-259/SO-239) connector
A Type N connector
An RS-213 connector
A DB-23 connector