Final answer:
Whether a licensed engineer is needed for monitoring boilers through remote electronic surveillance depends on the type of boiler being monitored.
Step-by-step explanation:
The answer to whether a licensed engineer is needed for monitoring boilers through remote electronic surveillance depends on the type of boiler being monitored.
For high-pressure boilers, a licensed engineer is required. However, for other types of boilers, such as low-pressure boilers, a licensed engineer may not be necessary. It is important to refer to section 13, 183.501 of the relevant regulations or guidelines to determine the specific requirements.