If one belt snaps in a multi-V-belt drive system, what maintenance action is required_________________?
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Answer: C. all the belts
Explanation
Older belts stretch over time while new replacement belts maintain original length and tension characteristics. Mixing worn and new belts causes uneven load sharing across the multi-V-belt drive system. Replacing the entire set ensures balanced power transmission and prevents premature failure of new belts. Multi-V-belt drives utilize parallel trapezoidal belts to transmit high power levels between distant shafts. Proper tensioning across all matched belts is critical for maximizing belt operating lifespan. Uneven wear alters effective pitch diameters, leading to differential slipping and rapid degradation.
Industrial compressors and heavy pumps rely on multi-belt drives for reliable continuous power transfer. Preventive maintenance schedules often mandate complete belt set replacements to avoid unexpected downtime. Proper installation practices reduce energy losses and extend overall mechanical drive system reliability. Option A leaves mismatched worn belts in service, causing rapid failure of the system. Option B ignores other belts in the set that have experienced identical operational fatigue. Option D dangerously assumes remaining worn belts can handle loads without maintenance intervention.
- Subject
- Engineering
- Category
- Mechanical Engineering
- Topic
- —
- Difficulty
- medium
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