11-CS-4 Engineering Law and Professional Liability · May 2019
Nivaar worked solution (AI-drafted; not reviewed by a licensed engineer)
National Exams — May 2019 — 11-CS-4 Engineering Management. Closed book. Any five questions constitute a complete paper; all questions are of equal value (20 marks each). Full worked answers to all eight questions are given below; part marks are from the printed marking scheme.
Question text not reproduced: the examination questions are © Engineers and Geoscientists BC. Open the official past paper (linked at the top of this page) to read the question, then follow the worked solution below.
Systems thinking is the discipline of seeing an organization or problem as an interconnected whole—a web of feedback loops, delays, and interdependencies—rather than as a collection of isolated parts. Its central insight is that the behaviour of a system arises from its structure and the relationships among its elements, not from any single component, so that lasting solutions must address the underlying structure rather than treating symptoms one at a time. A systems thinker looks for root causes, anticipates the unintended downstream consequences of an intervention, and recognizes that "the harder you push, the harder the system pushes back." Senge uses the Greek word Metanoia—a fundamental "shift of mind"—to describe the change required to become a learning organization: moving from seeing oneself as separate from the world to seeing oneself as connected to it, and from reacting to problems to co-creating outcomes. In engineering management this prevents local optimization (fixing one department at the expense of the whole) and supports decisions that improve overall system performance.
A mediator is a neutral, impartial third party who helps disputing parties reach their own voluntary agreement; crucially, the mediator facilitates but does not impose a decision. The role includes: establishing a safe, structured process and ground rules; ensuring each side is heard and clarifying the real interests behind stated positions; identifying common ground and reframing the dispute from a contest of positions into a shared problem to be solved; carrying proposals between parties (including in private "caucus" sessions) and testing options for mutual gain; and helping the parties craft and commit to a durable settlement. Because the outcome is the parties' own, a mediated agreement enjoys higher commitment and preserves the working relationship better than an imposed one. Mediation sits between informal negotiation and binding arbitration: unlike an arbitrator or judge, a mediator has no authority to decide the matter, which is precisely why the process is non-adversarial and voluntary.
(a) Just-in-Time (JIT) inventory control is a lean, demand-pull approach in which materials and components arrive exactly when needed for production, minimizing inventory and its holding cost, exposing waste, and relying on reliable suppliers and level production. (b) Materials resource planning (MRP), more commonly called material requirements planning, is a computerized, push-based system that uses the master production schedule, the bill of materials, and inventory records to calculate what materials are required, in what quantity, and when, generating purchase and production orders so that components are available for assembly. (c) Manufacturing Resource Planning (MRP II) extends MRP into an integrated planning system that adds capacity planning and ties material planning to the other business functions—finance, marketing, and operations—so the whole manufacturing enterprise is coordinated from a single plan. JIT and MRP represent contrasting pull and push philosophies, and many firms blend them.
A plant manager resolving a scheduling dispute between the production and purchasing departments would first apply systems thinking to see that both are reacting to the same demand-variability structure, then bring in a neutral mediator to help the two groups design a shared solution—perhaps adopting MRP to plan long-lead components while running JIT delivery for high-value bought-in parts, coordinated enterprise-wide through MRP II.
