In what way does engine modularity affect maintenance and repair?

Engine modularity significantly influences maintenance and repair efficiency by allowing for quicker repairs and reduced downtime. Modular designs break the engine into manageable sections or modules, which can be independently removed and replaced without needing extensive disassembly of the entire engine. This means that when a fault is detected or a component requires servicing, technicians can quickly access the affected module, perform the necessary maintenance or repair, and return the engine to service.

The advantage of modularity lies in the fact that it minimizes the time an engine spends out of operation. Components can often be pre-assembled or pre-tested, allowing for swift swaps during maintenance procedures. This not only enhances operational efficiency for fleet management but also helps in reducing costs associated with prolonged downtime.

Overall, engine modularity streamlines the repair process, leading to faster turnaround times and improved reliability in maintenance practices, thus making option C the correct choice.