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What is the maximum size of a plant that a special engineer could serve as a shift engineer?

  1. 30 bhp

  2. Unlimited bhp

  3. 300 bhp

  4. 100 bhp

The correct answer is: 100 bhp

The maximum size of a plant that a special engineer can serve as a shift engineer is defined by regulatory standards that determine the scope of practice for individuals holding a special engineer's license. A special engineer's license typically allows the holder to operate low-pressure boilers and manage operations within certain capacity limits. In this context, the maximum allowable size is set at 100 boiler horsepower (bhp). This regulation is based on safety considerations and the complexity of operating larger systems, which require more advanced knowledge and experience than what is expected from a special engineer. Therefore, a special engineer is not authorized to manage a plant that exceeds this limit, as doing so would pose risks that could potentially impact system safety and efficiency. Understanding this limit is essential for ensuring compliance with state regulations and maintaining operational safety in boiler operations. It is important to recognize that the other options reflect capacities that exceed the safe operational limits set for special engineers, which could lead to operational hazards if not managed appropriately.