This document provides summaries of common mechanical maintenance engineer interview questions and answers. It discusses flow control, which focuses on efficiently moving materials through production by addressing bottlenecks. Materials requirement planning (MRP) uses computer systems to manage ordering materials to supply future production needs. Just-in-time (JIT) manufacturing aims to reduce waste by minimizing inventory and scheduling deliveries and production to optimize efficiency. The document also provides sample answers for interview questions about strengths and reasons to hire the candidate.