T0A06: What is a good way to guard against electrical shock at your station?

Use three-wire cords and plugs for all AC powered equipment

Connect all AC powered station equipment to a common safety ground

Use a circuit protected by a ground-fault interrupter

T0B04: Which of the following is an important safety precaution to observe when putting up an antenna tower?

Wear a ground strap connected to your wrist at all times

Insulate the base of the tower to avoid lightning strikes

All of these choices are correct

T0C05: Why do exposure limits vary with frequency?

Lower frequency RF fields have more energy than higher frequency fields

Lower frequency RF fields do not penetrate the human body

Higher frequency RF fields are transient in nature

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

FCC Regional Field Office

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

Region 1

Region 3

Region 4

T1C07: What may result when correspondence from the FCC is returned as undeliverable because the grantee failed to provide the correct mailing address?

Fine or imprisonment

Require the licensee to be re-examined

A reduction of one rank in operator class

T1D06: Which of the following types of transmissions are prohibited?

Transmissions to establish one-way communications

Transmissions to establish model aircraft control

Transmissions for third party communications

T1E11: Who does the FCC presume to be the control operator of an amateur station, unless documentation to the contrary is in the station records?

The station custodian

The third party participant

The person operating the station equipment

T1F13: When must the station licensee make the station and its records available for FCC inspection?

Any time upon request by an official observer

30 days prior to renewal of the station license

10 days before the first transmission

T2A06: What must an amateur operator do when making on-air transmissions to test equipment or antennas?

Make test transmissions only after 10:00 p.m. local time

Notify the FCC of the test transmission

State the purpose of the test during the test procedure

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

T2C08: What is usually considered to be the most important job of an amateur operator when handling emergency traffic messages?

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

T3A04: What can happen if the antennas at opposite ends of a VHF or UHF line of sight radio link are not using the same polarization?

The modulation sidebands might become inverted

Signals have an echo effect on voices

Nothing significant will happen

T3B07: What property of radio waves is often used to identify the different frequency bands?

The magnetic intensity of waves

The time it takes for waves to travel one mile

The voltage standing wave ratio of waves

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

T4A09: Which would you use to reduce RF current flowing on the shield of an audio cable?

Band-pass filter

Low-pass filter

Preamplifier

T4B09: Which of the following is an appropriate receive filter to select in order to minimize noise and interference for SSB reception?

500 Hz

1000 Hz

5000 Hz

T5A03: What is the name for the flow of electrons in an electric circuit?

Voltage

Resistance

Capacitance

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

T5C03: What is the ability to store energy in a magnetic field called?

Admittance

Capacitance

Resistance

T5D02: What formula is used to calculate voltage in a circuit?

Voltage (E) equals current (I) divided by resistance (R)

Voltage (E) equals current (I) added to resistance (R)

Voltage (E) equals current (I) minus resistance (R)

T6A03: What electrical parameter is controlled by a potentiometer?

Inductance

Capacitance

Field strength

T6B05: Which of the following electronic components can amplify signals?

Variable resistor

Electrolytic capacitor

Multi-cell battery

T6C02: What is component 1 in figure T1?

Transistor

Battery

Connector

T6D06: What component is commonly used to change 120V AC house current to a lower AC voltage for other uses?

Variable capacitor

Transistor

Diode

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

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

Improve station grounding

T7C03: What, in general terms, is standing wave ratio (SWR)?

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

T7D04: Which instrument is used to measure electric current?

An ohmmeter

A wavemeter

A voltmeter

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

Less than 500 Hz

About 150 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 operates using ultraviolet frequencies

The satellite frequencies are usually variable

T8C02: Which of these items would be useful for a hidden transmitter hunt?

Calibrated SWR meter

A calibrated noise bridge

All of these choices are correct

T8D03: Which of the following is normally used when sending automatic location reports via amateur radio?

A connection to the vehicle speedometer

A WWV receiver

A connection to a broadcast FM sub-carrier receiver

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

T9B03: Why is coaxial cable used more often than any other feedline for amateur radio antenna systems?

It has less loss than any other type of feedline

It can handle more power than any other type of feedline

It is less expensive than any other types of feedline