Ham Radio Technician Test General 3

Question 1

What is the approximate length of a quarter-wave vertical antenna for 146 MHz?

Accepted Answer

19 inches

Answer

38 inches

Answer

9 inches

Answer

52 inches

Question 2

What safety hazard is associated with RF burns?

Accepted Answer

Tissue damage from RF energy absorbed at high power levels

Answer

Electric shock from antenna contact during transmit

Answer

Skin irritation from prolonged antenna handling

Answer

Eye damage from antenna reflections

Question 3

What is the correct way to respond when a station calls 'CQ'?

Accepted Answer

Transmit the calling station's call sign followed by your own call sign

Answer

Simply say your call sign twice

Answer

Say 'Roger' and give your location

Answer

Transmit 'CQ' back to the calling station

Question 4

Which band is most commonly used for local emergency communication by Technician licensees?

Accepted Answer

2 meters (144-148 MHz)

Answer

40 meters (7 MHz)

Answer

10 meters (28 MHz)

Answer

160 meters (1.8 MHz)

Question 5

What is 'packet radio'?

Accepted Answer

A digital mode that sends data in bursts using AX.25 protocol

Answer

A method of voice communication over the internet

Answer

A satellite uplink technique

Answer

A type of antenna matching network

Question 6

What is the purpose of the FCC amateur radio station log?

Accepted Answer

To record station operations for reference and to assist in resolving interference complaints

Answer

To report daily usage to the FCC automatically

Answer

To track antenna performance over time

Answer

To register each contact in the national database

Question 7

What does 'QRM' mean in amateur radio shorthand?

Accepted Answer

Interference from other stations

Answer

Poor signal quality

Answer

Static from atmospheric noise

Answer

The operator is busy