This document contains summaries of common engineering interview questions and answers. It discusses flow control, which focuses on efficiently moving materials through production by addressing bottlenecks. It also discusses materials requirement planning (MRP) systems, which manage ordering materials to supply future production needs. Additionally, it covers just-in-time (JIT) manufacturing, which aims to reduce waste by minimizing inventory and scheduling deliveries and production to optimize efficiency. The document provides tips for answering common interview questions about strengths and reasons for hiring.