Which type of insulation has a service temperature limit of 150°C (302°F)?

Prepare for the 5th Class Power Engineering Exam with comprehensive flashcards and multiple-choice questions. Each question includes hints and explanations. Get exam-ready!

Foamed plastic insulation typically has a service temperature limit of around 150°C (302°F), making it suitable for a variety of applications where heat exposure is moderate. This type of insulation is favored in specific settings because it provides not only thermal resistance but also sound insulation and moisture resistance. Its performance in high-temperature scenarios is essential in preventing the insulation from breaking down or losing its insulating properties in environments subject to elevated temperatures.

In contrast, other insulation types generally have different temperature limits. Fiberglass insulation usually has a lower temperature service limit, while mineral wool can withstand higher temperatures but may not reach the same upper limit as foamed plastics. Reflective metal insulation functions mainly by reflecting radiant heat and does not operate in the same context regarding temperature limits as foamed plastic insulation. Understanding the characteristics and appropriate applications for each type of insulation is vital for optimal performance in thermal management systems.

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