City Guilds Model Questions Vol1 2021 Engineering Question 28
Practice objective / multiple choice question 28 from the 2021 City Guilds Model Questions Vol1 Engineering examination.
A machine requires two types of maintenance: a minor maintenance that takes 2 hours and must be performed every \(X\) days, and a major maintenance that takes 8 hours and must be performed every \(Y\) days. Over a 60‑day planning horizon the total maintenance downtime may not exceed 40 hours, and a major maintenance cannot be scheduled within 5 days after a minor maintenance. Determine the smallest integer values of \(X\) and \(Y\) (in days) that satisfy all constraints.
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About This Question
This is City Guilds Model Questions Vol1 2021 Engineering Question 28. It is one of the objective questions from the 2021 City Guilds Model Questions Vol1 Engineering examination.
Difficulty level: Hard .
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