Safety Procedures & Risk Management Flashcards
7 cards from real Ham Radio Technician Test practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Safety Procedures & Risk Management flashcards as text
What does the term 'controlled environment' mean in the context of FCC RF exposure limits?
Answer: An area where occupants are aware of RF exposure and can take protective action
A controlled environment is one where people are knowledgeable about RF exposure and can take steps to limit it, such as the operator's own location.
If you discover that a neighbor's child regularly plays directly beneath your HF antenna, what is the most appropriate safety response?
Answer: Evaluate whether the area meets uncontrolled MPE limits and restrict access or antenna use if needed
Uncontrolled locations must meet stricter MPE limits; if they don't, you must limit access, reduce power, or change antenna positioning.
What is the greatest electrical hazard when working on an antenna that is connected to a transceiver that is turned off but still plugged in?
Answer: Capacitors in the transceiver may still hold a dangerous charge
Power supply capacitors can retain lethal voltages for some time after the equipment is switched off.
When erecting a vertical antenna near power lines, which direction should it be tilted if it falls?
Answer: Away from the power lines so a fall cannot contact them
Always orient the antenna so a fall moves it away from power lines, eliminating the risk of contact on the way down.
What is the purpose of bonding all metallic objects in an amateur radio station together?
Answer: To reduce the chance of dangerous voltage differences between objects during a fault or lightning event
Bonding equalizes potentials so no dangerous voltage difference exists between metal objects that a person might bridge simultaneously.
Which of the following is a safe work practice when replacing a fuse in RF equipment?
Answer: Disconnect power, find the fault first, then install an identical-rated fuse
Always remove power, diagnose why the fuse blew, and replace with the exact same rating to maintain overcurrent protection.
What personal protective equipment (PPE) is most important when soldering coaxial connectors in an enclosed space?
Answer: Safety glasses and adequate ventilation to avoid flux fume inhalation
Soldering flux produces fumes that are harmful to the lungs and eyes, so eye protection and ventilation are the priorities.