CallSign.co - Amateur Radio on the Web

FCC Question ID

T1A10

Which of the following describes the Radio Amateur Civil Emergency Service (RACES)?

Choose A

A radio service using amateur frequencies for emergency management or civil defense communications

Choose B

A radio service using amateur stations for emergency management or civil defense communications

Choose C

An emergency service using amateur operators certified by a civil defense organization as being enrolled in that organization

Choose D

All of these choices are correct

T1F11

Which of the following is a requirement for the issuance of a club station license grant?

Choose A

The trustee must have an Amateur Extra class operator license grant

Choose B

The club must have at least four members

Choose C

The club must be registered with the American Radio Relay League

Choose D

All of these choices are correct

T1A03

What are the FCC rules regarding the use of a phonetic alphabet for station identification in the Amateur Radio Service?

Choose A

It is required when transmitting emergency messages

Choose B

It is prohibited

Choose C

It is required when in contact with foreign stations

Choose D

It is encouraged

T1C02

Who may select a desired call sign under the vanity call sign rules?

Choose A

Only a licensed amateur with a General or Amateur Extra class license

Choose B

Only a licensed amateur with an Amateur Extra class license

Choose C

Only a licensed amateur who has been licensed continuously for more than 10 years

Choose D

Any licensed amateur

T1A04

How many operator/primary station license grants may be held by any one person?

Choose A

One

Choose B

No more than two

Choose C

One for each band on which the person plans to operate

Choose D

One for each permanent station location from which the person plans to operate

T1A07

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

Choose A

Any satellite orbiting the earth

Choose B

A manned satellite orbiting the earth

Choose C

An amateur station located more than 50 km above the Earth's surface

Choose D

An amateur station using amateur radio satellites for relay of signals

T2A01

Which of the following is a common repeater frequency offset in the 2 meter band?

Choose A

Plus or minus 5 MHz

Choose B

Plus or minus 600 kHz

Choose C

Plus or minus 500 kHz

Choose D

Plus or minus 1 MHz

T2B04

Which of the following could be the reason you are unable to access a repeater whose output you can hear?

Choose A

Improper transceiver offset

Choose B

The repeater may require a proper CTCSS tone from your transceiver

Choose C

The repeater may require a proper DCS tone from your transceiver

Choose D

All of these choices are correct

T2C10

What information is contained in the preamble of a formal traffic message?

Choose A

The email address of the originating station

Choose B

The address of the intended recipient

Choose C

The telephone number of the addressee

Choose D

The information needed to track the message

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?

Choose A

Change from vertical to horizontal polarization

Choose B

Try to find a path that reflects signals to the repeater

Choose C

Try the long path

Choose D

Increase the antenna SWR

T3B08

What are the frequency limits of the VHF spectrum?

Choose A

30 to 300 kHz

Choose B

30 to 300 MHz

Choose C

300 to 3000 kHz

Choose D

300 to 3000 MHz

T3C03

What is a characteristic of VHF signals received via auroral reflection?

Choose A

Signals from distances of 10,000 or more miles are common

Choose B

The signals exhibit rapid fluctuations of strength and often sound distorted

Choose C

These types of signals occur only during winter nighttime hours

Choose D

These types of signals are generally strongest when your antenna is aimed west

T4A05

What is the proper location for an external SWR meter?

Choose A

In series with the feed line, between the transmitter and antenna

Choose B

In series with the station's ground

Choose C

In parallel with the push-to-talk line and the antenna

Choose D

In series with the power supply cable, as close as possible to the radio

T4B01

What may happen if a transmitter is operated with the microphone gain set too high?

Choose A

The output power might be too high

Choose B

The output signal might become distorted

Choose C

The frequency might vary

Choose D

The SWR might increase

T5A05

What is the electrical term for the electromotive force (EMF) that causes electron flow?

Choose A

Voltage

Choose B

Ampere-hours

Choose C

Capacitance

Choose D

Inductance

T5B08

How many microfarads are equal to 1,000,000 picofarads?

Choose A

0.001 microfarads

Choose B

1 microfarad

Choose C

1000 microfarads

Choose D

1,000,000,000 microfarads

T5C03

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

Choose A

Admittance

Choose B

Capacitance

Choose C

Resistance

Choose D

Inductance

T5D06

What is the resistance of a circuit that draws 4 amperes from a 12-volt source?

Choose A

3 ohms

Choose B

16 ohms

Choose C

48 ohms

Choose D

8 ohms

T6A01

What electrical component opposes the flow of current in a DC circuit?

Choose A

Inductor

Choose B

Resistor

Choose C

Voltmeter

Choose D

Transformer

T6B09

What are the names of the two electrodes of a diode?

Choose A

Plus and minus

Choose B

Source and drain

Choose C

Anode and cathode

Choose D

Gate and base

T6C08

What is component 9 in figure T2?

Choose A

Variable capacitor

Choose B

Variable inductor

Choose C

Variable resistor

Choose D

Variable transformer

T6D11

Which of the following is a resonant or tuned circuit?

Choose A

An inductor and a capacitor connected in series or parallel to form a filter

Choose B

A type of voltage regulator

Choose C

A resistor circuit used for reducing standing wave ratio

Choose D

A circuit designed to provide high-fidelity audio

T7A01

Which term describes the ability of a receiver to detect the presence of a signal?

Choose A

Linearity

Choose B

Sensitivity

Choose C

Selectivity

Choose D

Total Harmonic Distortion

T7B02

What would cause a broadcast AM or FM radio to receive an amateur radio transmission unintentionally?

Choose A

The receiver is unable to reject strong signals outside the AM or FM band

Choose B

The microphone gain of the transmitter is turned up too high

Choose C

The audio amplifier of the transmitter is overloaded

Choose D

The deviation of an FM transmitter is set too low

T7C10

Why should the outer jacket of coaxial cable be resistant to ultraviolet light?

Choose A

Ultraviolet resistant jackets prevent harmonic radiation

Choose B

Ultraviolet light can increase losses in the cable’s jacket

Choose C

Ultraviolet and RF signals can mix, causing interference

Choose D

Ultraviolet light can damage the jacket and allow water to enter the cable

T7D09

What is the characteristic appearance of a cold solder joint?

Choose A

Dark black spots

Choose B

A bright or shiny surface

Choose C

A grainy or dull surface

Choose D

A greenish tint

T8A09

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

Choose A

Less than 500 Hz

Choose B

About 150 kHz

Choose C

Between 10 and 15 kHz

Choose D

Between 50 and 125 kHz

T8B09

What causes spin fading of satellite signals?

Choose A

Circular polarized noise interference radiated from the sun

Choose B

Rotation of the satellite and its antennas

Choose C

Doppler shift of the received signal

Choose D

Interfering signals within the satellite uplink band

T8C02

Which of these items would be useful for a hidden transmitter hunt?

Choose A

Calibrated SWR meter

Choose B

A directional antenna

Choose C

A calibrated noise bridge

Choose D

All of these choices are correct

T8D08

Which of the following may be included in packet transmissions?

Choose A

A check sum that permits error detection

Choose B

A header that contains the call sign of the station to which the information is being sent

Choose C

Automatic repeat request in case of error

Choose D

All of these choices are correct

T9A04

What is a disadvantage of the “rubber duck” antenna supplied with most handheld radio transceivers when compared to a full-sized quarter-wave antenna?

Choose A

It does not transmit or receive as effectively

Choose B

It transmits only circularly polarized signals

Choose C

If the rubber end cap is lost, it will unravel very easily

Choose D

All of these choices are correct

T9B01

Why is it important to have low SWR when using coaxial cable feed line?

Choose A

To reduce television interference

Choose B

To reduce signal loss

Choose C

To prolong antenna life

Choose D

All of these choices are correct

T0A02

What health hazard is presented by electrical current flowing through the body?

Choose A

It may cause injury by heating tissue

Choose B

It may disrupt the electrical functions of cells

Choose C

It may cause involuntary muscle contractions

Choose D

All of these choices are correct

T0B11

Which of the following establishes grounding requirements for an amateur radio tower or antenna?

Choose A

FCC Part 97 Rules

Choose B

Local electrical codes

Choose C

FAA tower lighting regulations

Choose D

UL recommended practices

T0C01

What type of radiation are VHF and UHF radio signals?

Choose A

Gamma radiation

Choose B

Ionizing radiation

Choose C

Alpha radiation

Choose D

Non-ionizing radiation