GATE CH 2015 Question Paper (31-Jan-2015) Shift 1 presents a comprehensive evaluation for Chemical Engineering aspirants, covering core subjects such as Heat Transfer, Mass Transfer, Chemical Reaction Engineering, and Process Control. The paper features a technical mix of MCQ, MSQ, and NAT questions designed to evaluate both conceptual depth and numerical problem-solving skills. Analyzing this specific shift is essential for identifying recurring question patterns and mastering the analytical precision required for PSU recruitment and admission into M.Tech programs at IITs.