T0A09: What kind of hazard is presented by a conventional 12-volt storage battery?

It emits ozone which can be harmful to the atmosphere

Shock hazard due to high voltage

All of these choices are correct

T0B02: What is a good precaution to observe before climbing an antenna tower?

Make sure that you wear a grounded wrist strap

Remove all tower grounding connections

All of the 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 making sure your antennas have low SWR

All of these choices are correct

T1A03: Which part of the FCC rules contains the rules and regulations governing the Amateur Radio Service?

Part 73

Part 95

Part 90

T1B02: North American amateur stations are located in which ITU region?

Region 1

Region 3

Region 4

T1C03: What types of international communications are permitted by an FCC-licensed amateur station?

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

T1D07: When is an amateur station authorized to automatically retransmit the radio signals of other amateur stations?

When the signals are from an auxiliary, beacon, or Earth station

When the signals are from a beacon, repeater, or space station

When the signals are from an Earth, repeater, or space station

T1E03: Who must designate the station control operator?

The FCC

The frequency coordinator

The ITU

T1F02: When using tactical identifiers, how often must your station transmit the station's FCC-assigned call sign?

Never, the tactical call is sufficient

Once during every hour

At the end of every communication

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

T2B02: What is the term used to describe the use of a sub-audible tone transmitted with normal voice audio to open the squelch of a receiver?

Carrier squelch

Tone burst

DTMF

T2C11: What is meant by the term "check" in reference to a formal traffic 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

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

T3B08: What are the frequency limits of the VHF spectrum?

30 to 300 kHz

300 to 3000 kHz

300 to 3000 MHz

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

They collide with trees and shrubbery and fade out

T4A11: Where should a mobile transceiver's power negative connection be made?

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 frequency might vary

The SWR might increase

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

Alternating current

Normal current

Smooth current

T5B06: If an ammeter calibrated in amperes is used to measure a 3000-milliampere current, what reading would it show?

0.003 amperes

0.3 amperes

3,000,000 amperes

T5C10: How much power is being used in a circuit when the applied voltage is 12 volts DC and the current is 2.5 amperes?

4.8 watts

14.5 watts

0.208 watts

T5D12: What is the voltage across a 10-ohm resistor if a current of 2 amperes flows through it?

8 volts

0.2 volts

12 volts

T6A06: What type of electrical component stores energy in a magnetic field?

Resistor

Capacitor

Diode

T6B06: How is a semiconductor diode's cathode lead usually identified?

With the word "cathode"

With the letter "C"

All of these choices are correct

T6C01: What is the name for standardized representations of components in an electrical wiring diagram?

Electrical depictions

Grey sketch

Component callouts

T6D04: Which of the following can be used to display signal strength on a numeric scale?

Potentiometer

Transistor

Relay

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 connect the receiver with an auxiliary device, such as a TNC

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 turning the volume up too high

T7C02: Which of the following instruments can be used to determine if an antenna is resonant at the desired operating frequency?

A VTVM

A "Q" meter

A frequency counter

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

In series with the circuit

In quadrature with the circuit

In phase with the circuit

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

SSB

AM

Spread Spectrum

T8B04: Which amateur stations may make contact with an amateur station on the International Space Station using 2 meter and 70 cm band amateur radio frequencies?

Only members of amateur radio clubs at NASA facilities

Only the astronaut's family members who are hams

You cannot talk to the ISS on amateur radio frequencies

T8C08: What is required in place of on-air station identification when sending signals to a radio control model using amateur frequencies?

Voice identification must be transmitted every 10 minutes

Morse code ID must be sent once per hour

A flag must be affixed to the transmitter antenna with the station call sign in 1 inch high letters or larger

T8D10: Which of the following can be used to transmit CW in the amateur bands?

Straight Key

Electronic Keyer

Computer Keyboard

T9A10: In which direction is the radiation strongest from a half-wave dipole antenna in free space?

Equally in all directions

Off the ends of the antenna

In the direction of the feedline

T9B07: Which of the following is true of PL-259 type coax connectors?

They are good for UHF frequencies

They are water tight

They are a bayonet type connector