CBT - Certified Broadcast Technologist Safety Standards and Practices Questions and Answers

Question 1

A technician is tasked with performing maintenance on a high-power FM antenna. Before ascending the tower, which of the following is the most critical safety procedure to perform?

Accepted Answer

Ensure the transmitter is de-energized and a lockout/tagout (LOTO) device is applied to the main circuit breaker.

Answer

Notify the station's General Manager of the planned work.

Answer

Wear a personal RF monitor to check for dangerous radiation levels while working.

Answer

Review the station's most recent FCC RF exposure compliance report.

Question 2

FCC OET Bulletin 65 and its supplements provide guidelines for broadcast stations primarily to:

Accepted Answer

Evaluate compliance with Maximum Permissible Exposure (MPE) limits for human exposure to RF fields.

Answer

Set the maximum allowable transmitter power output for a given station class.

Answer

Determine the appropriate tower lighting and marking requirements for aviation safety.

Answer

Mandate the use of specific brands of personal protective equipment (PPE) for tower climbers.

Question 3

While working in a transmitter room, a technician notices smoke and a small fire originating from inside a high-voltage power supply rack that is still energized. Which class of fire extinguisher is appropriate for this situation?

Accepted Answer

Class C

Answer

Class A

Answer

Class B

Answer

Class K

Question 4

When performing maintenance on a large lead-acid battery bank used for a station's UPS system, what minimum personal protective equipment (PPE) is essential to protect against the primary chemical hazard?

Accepted Answer

Acid-resistant gloves and safety goggles or a face shield.

Answer

Steel-toed boots and a hard hat.

Answer

A fall protection harness and a personal RF monitor.

Answer

Hearing protection and a dust mask.

Question 5

Which of the following is a primary purpose of the OSHA Lockout/Tagout (LOTO) standard (29 CFR 1910.147)?

Accepted Answer

To prevent the unexpected startup or release of stored energy during equipment servicing.

Answer

To ensure equipment is properly labeled with its operating frequency and power.

Answer

To document all maintenance activities for regulatory review.

Answer

To restrict public access to hazardous areas like transmitter sites.

Question 6

A technician must work on equipment near the base of a high-power broadcast tower on a winter day. Besides being aware of RF fields, what is a critical physical hazard for which the technician must wear a hard hat?

Accepted Answer

Falling ice or equipment from the tower structure.

Answer

Loud noise from cooling fans.

Answer

Exposure to ultraviolet radiation.

Answer

Static discharge from the tower.