CallSign.co - Amateur Radio on the Web

FCC Question ID

T1C07

What may result when correspondence from the FCC is returned as undeliverable because the grantee failed to provide and maintain a correct mailing address with the FCC?

Choose A

Fine or imprisonment

Choose B

Revocation of the station license or suspension of the operator license

Choose C

Require the licensee to be re-examined

Choose D

A reduction of one rank in operator class

T1B02

Which amateur radio stations may make contact with an amateur radio station on the International Space Station (ISS) using 2 meter and 70 cm band frequencies?

Choose A

Only members of amateur radio clubs at NASA facilities

Choose B

Any amateur holding a Technician or higher-class license

Choose C

Only the astronaut's family members who are hams

Choose D

Contacts with the ISS are not permitted on amateur radio frequencies

T1C03

What types of international communications is an FCC-licensed amateur radio station permitted to make?

Choose A

Communications incidental to the purposes of the Amateur Radio Service and remarks of a personal character

Choose B

Communications incidental to conducting business or remarks of a personal nature

Choose C

Only communications incidental to contest exchanges, all other communications are prohibited

Choose D

Any communications that would be permitted by an international broadcast station

T1C08

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

Choose A

Five years

Choose B

Life

Choose C

Ten years

Choose D

Twenty years

T1D01

With which countries are FCC-licensed amateur radio stations prohibited from exchanging communications?

Choose A

Any country whose administration has notified the International Telecommunications Union (ITU) that it objects to such communications

Choose B

Any country whose administration has notified the American Radio Relay League (ARRL) that it objects to such communications

Choose C

Any country engaged in hostilities with another country

Choose D

Any country in violation of the War Powers Act of 1934

T1A11

When is willful interference to other amateur radio stations permitted?

Choose A

To stop another amateur station which is breaking the FCC rules

Choose B

At no time

Choose C

When making short test transmissions

Choose D

At any time, stations in the Amateur Radio Service are not protected from willful interference

T2A06

Which of the following is required when making on-the-air test transmissions?

Choose A

Identify the transmitting station

Choose B

Conduct tests only between 10 p.m. and 6 a.m. local time

Choose C

Notify the FCC of the transmissions

Choose D

All of these choices are correct

T2B12

Why are simplex channels designated in the VHF/UHF band plans?

Choose A

So that stations within mutual communications range can communicate without tying up a repeater

Choose B

For contest operation

Choose C

For working DX only

Choose D

So that stations with simple transmitters can access the repeater without automated offset

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

T3A07

What type of wave carries radio signals between transmitting and receiving stations?

Choose A

Electromagnetic

Choose B

Electrostatic

Choose C

Surface acoustic

Choose D

Ferromagnetic

T3B06

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

Choose A

Wavelength in meters equals frequency in hertz multiplied by 300

Choose B

Wavelength in meters equals frequency in hertz divided by 300

Choose C

Wavelength in meters equals frequency in megahertz divided by 300

Choose D

Wavelength in meters equals 300 divided by frequency in megahertz

T3C05

Which of the following effects might cause radio signals to be heard despite obstructions between the transmitting and receiving stations?

Choose A

Knife-edge diffraction

Choose B

Faraday rotation

Choose C

Quantum tunneling

Choose D

Doppler shift

T4A10

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

Choose A

The ignition system

Choose B

The alternator

Choose C

The electric fuel pump

Choose D

Anti-lock braking system controllers

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

T5A08

Which of the following is a good electrical insulator?

Choose A

Copper

Choose B

Glass

Choose C

Aluminum

Choose D

Mercury

T5B04

How many volts are equal to one microvolt?

Choose A

One one-millionth of a volt

Choose B

One million volts

Choose C

One thousand kilovolts

Choose D

One one-thousandth of a volt

T5C08

What is the formula used to calculate electrical power in a DC circuit?

Choose A

Power (P) equals voltage (E) multiplied by current (I)

Choose B

Power (P) equals voltage (E) divided by current (I)

Choose C

Power (P) equals voltage (E) minus current (I)

Choose D

Power (P) equals voltage (E) plus current (I)

T5D10

What is the voltage across a 2-ohm resistor if a current of 0.5 amperes flows through it?

Choose A

1 volt

Choose B

0.25 volts

Choose C

2.5 volts

Choose D

1.5 volts

T6A09

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

Choose A

Fuse

Choose B

Capacitor

Choose C

Inductor

Choose D

All of these choices are correct

T6B03

Which of these components can be used as an electronic switch or amplifier?

Choose A

Oscillator

Choose B

Potentiometer

Choose C

Transistor

Choose D

Voltmeter

T6C08

What is component 9 in figure T2?

Choose A

Variable capacitor

Choose B

Variable inductor

Choose C

Variable resistor

Choose D

Variable transformer

T6D02

What is a relay?

Choose A

An electrically-controlled switch

Choose B

A current controlled amplifier

Choose C

An optical sensor

Choose D

A pass transistor

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

T7B06

Which of the following actions should you take if a neighbor tells you that your station’s transmissions are interfering with their radio or TV reception?

Choose A

Make sure that your station is functioning properly and that it does not cause interference to your own radio or television when it is tuned to the same channel

Choose B

Immediately turn off your transmitter and contact the nearest FCC office for assistance

Choose C

Tell them that your license gives you the right to transmit and nothing can be done to reduce the interference

Choose D

Install a harmonic doubler on the output of your transmitter and tune it until the interference is eliminated

T7C05

Why do most solid-state amateur radio transmitters reduce output power as SWR increases?

Choose A

To protect the output amplifier transistors

Choose B

To comply with FCC rules on spectral purity

Choose C

Because power supplies cannot supply enough current at high SWR

Choose D

To improve the impedance match to the feed line

T7D03

How is a simple ammeter connected to a circuit?

Choose A

In series with the circuit

Choose B

In parallel with the circuit

Choose C

In quadrature with the circuit

Choose D

In phase with the circuit

T8A04

Which type of modulation is most commonly used for VHF and UHF voice repeaters?

Choose A

Choose B

SSB

Choose C

PSK

Choose D

T8B04

What mode of transmission is commonly used by amateur radio satellites?

Choose A

SSB

Choose B

Choose C

CW/data

Choose D

All of these choices are correct

T8C09

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

Choose A

By subscribing to an on line service

Choose B

From on line repeater lists maintained by the local repeater frequency coordinator

Choose C

From a repeater directory

Choose D

All of these choices are correct

T8D12

Which of the following best describes Broadband-Hamnet(TM), also referred to as a high-speed multi-media network?

Choose A

An amateur-radio-based data network using commercial Wi-Fi gear with modified firmware

Choose B

A wide-bandwidth digital voice mode employing DRM protocols

Choose C

A satellite communications network using modified commercial satellite TV hardware

Choose D

An internet linking protocol used to network repeaters

T9A07

What is a disadvantage of using a handheld VHF transceiver, with its integral antenna, inside a vehicle?

Choose A

Signals might not propagate well due to the shielding effect of the vehicle

Choose B

It might cause the transceiver to overheat

Choose C

The SWR might decrease, decreasing the signal strength

Choose D

All of these choices are correct

T9B10

What is the electrical difference between RG-58 and RG-8 coaxial cable?

Choose A

There is no significant difference between the two types

Choose B

RG-58 cable has two shields

Choose C

RG-8 cable has less loss at a given frequency

Choose D

RG-58 cable can handle higher power levels

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

T0B10

Which of the following is true when installing grounding conductors used for lightning protection?

Choose A

Only non-insulated wire must be used

Choose B

Wires must be carefully routed with precise right-angle bends

Choose C

Sharp bends must be avoided

Choose D

Common grounds must be avoided

T0C07

What could happen if a person accidentally touched your antenna while you were transmitting?

Choose A

Touching the antenna could cause television interference

Choose B

They might receive a painful RF burn

Choose C

They might develop radiation poisoning

Choose D

All of these choices are correct