T0A05: Why is it unwise to install a 20-ampere fuse in the place of a 5-ampere fuse?

The larger fuse would be likely to blow because it is rated for higher current

The power supply ripple would greatly increase

All of these choices are correct

T0B01: When should members of a tower work team wear a hard hat and safety glasses?

At all times except when climbing the tower

At all times except when belted firmly to the tower

Only when the tower exceeds 30 feet in height

T0C06: Which of the following is an acceptable method to determine that your station complies with FCC RF exposure regulations?

By calculation based on FCC OET Bulletin 65

By calculation based on computer modeling

By measurement of field strength using calibrated equipment

T1A10: What is the FCC Part 97 definition of an amateur station?

A building where Amateur Radio receivers, transmitters, and RF power amplifiers are installed

Any radio station operated by a non-professional

Any radio station for hobby use

T1B06: Which 23 cm frequency is authorized to a Technician Class operator license?

2315 MHz

3390 MHz

146.52 MHz

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

T1D03: When is the transmission of codes or ciphers allowed to hide the meaning of a message transmitted by an amateur station?

Only during contests

Only when operating mobile

Only when frequencies above 1280 MHz are used

T1E10: What type of control is used when the control operator is not at the station location but can indirectly manipulate the operating adjustments of a station?

Local

Automatic

Unattended

T1F08: When may a Technician Class licensee be the control operator of a station operating in an exclusive Extra Class operator segment of the amateur bands?

On Armed Forces Day

As part of a multi-operator contest team

When using a club station whose trustee is an Extra Class operator licensee

T2A03: What is a common repeater frequency offset in the 70 cm band?

Plus or minus 600 kHz

Minus 600 kHz

Plus 600 kHz

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

T2C09: When may an amateur station use any means of radio communications at its disposal for essential communications in connection with immediate safety of human life and protection of property?

Only when FEMA authorizes it by declaring an emergency

Only when RACES authorizes it by declaring an emergency

Only when authorized by the local MARS program director

T3A02: Why are UHF signals often more effective from inside buildings than VHF signals?

VHF signals lose power faster over distance

This is incorrect; VHF works better than UHF inside buildings

UHF antennas are more efficient than VHF antennas

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

30 to 300 kHz

300 to 3000 kHz

300 to 3000 MHz

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

10 meters

2 meters

70 cm

T4A03: Which is a good reason to use a regulated power supply for communications equipment?

A regulated power supply has FCC approval

A fuse or circuit breaker regulates the power

Power consumption is independent of load

T4B10: Which of the following is an appropriate receive filter to select in order to minimize noise and interference for CW reception?

1000 Hz

2400 Hz

5000 Hz

T5A07: Which of the following is a good electrical conductor?

Glass

Wood

Rubber

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

0.001 microfarads

1000 microfarads

1,000,000,000 microfarads

T5C04: What is the basic unit of inductance?

The coulomb

The farad

The ohm

T5D06: What is the resistance of a circuit that draws 4 amperes from a 12-volt source?

16 ohms

48 ohms

8 Ohms

T6A01: What electrical component is used to oppose the flow of current in a DC circuit?

Inductor

Voltmeter

Transformer

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

Alternator

Triode

Pentagrid converter

T6C04: What is component 3 in figure T1?

Resistor

Transistor

Ground symbol

T6D01: Which of the following devices or circuits changes an alternating current into a varying direct current signal?

Transformer

Amplifier

Reflector

T7A07: If figure T5 represents a transceiver in which block 1 is the transmitter portion and block 3 is the receiver portion, what is the function of block 2?

A balanced modulator

A power amplifier

A high-pass filter

T7B04: What is the most likely cause of interference to a non-cordless telephone from a nearby transmitter?

Harmonics from the transmitter

Poor station grounding

Improper transmitter adjustment

T7C10: Why should the outer jacket of coaxial cable be resistant to ultraviolet light?

Ultraviolet resistant jackets prevent harmonic radiation

Ultraviolet light can increase losses in the cable's jacket

Ultraviolet and RF signals can mix together, causing interference

T7D06: Which of the following might damage a multimeter?

Measuring a voltage too small for the chosen scale

Leaving the meter in the milliamps position overnight

Not allowing it to warm up properly

T8A06: Which sideband is normally used for 10 meter HF, VHF and UHF single-sideband communications?

Lower sideband

Suppressed sideband

Inverted sideband

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

T8C11: What name is given to an amateur radio station that is used to connect other amateur stations to the Internet?

A repeater

A digipeater

A beacon

T8D05: Which of the following emission modes may be used by a Technician Class operator between 219 and 220 MHz?

Spread spectrum

SSB voice

Fast-scan television

T9A06: What type of antennas are the quad, Yagi, and dish?

Non-resonant antennas

Loop antennas

Isotropic antennas

T9B11: Which of the following types of feedline has the lowest loss at VHF and UHF?

50-ohm flexible coax

Multi-conductor unbalanced cable

75-ohm flexible coax