Module 1 — Maintenance systems and machine upkeep

Module quiz

5 questions on Module 1 — Maintenance systems and machine upkeep. Answer them all, then check your score before moving on. 4 correct or more is a pass. Your best score is saved on this device, and to your account when you are signed in. This is a self-check, not an accredited assessment.

1. 1. What distinguishes predictive maintenance from preventive maintenance?

   Nothing, they are the samePreventive work happens on a schedule; predictive work happens when a measured condition — vibration, temperature, current, noise — says the machine is driftingPredictive work is cheaper alwaysPreventive work needs no records

2. 2. Skipped stitches appear on one machine only. What should the technician check before changing the machine?

   The operator's speedNeedle condition and fit, thread path and tension, timing and hook-to-needle clearance for the fabric in useThe carton labelsThe line layout

3. 3. Why must cutting machine blade sharpening and guard checks be on a fixed schedule?

   Only for qualityBecause a dull blade damages fabric and forces the operator to push, and a missing guard turns that into an injuryBecause blades are cheapOnly because auditors ask

4. 4. What does a maintenance history record give you that a technician's memory cannot?

   NothingFailure frequency by machine and cause, which is what turns a schedule into an evidence-based planA longer fileA reason to hire more staff

5. 5. A machine is due for planned service during a peak shipment week. What is the professional decision?

   Always skip itAssess the failure risk and consequence, reschedule deliberately with a record, and never let a skipped service become invisibleAlways stop the lineLet the operator decide