As shown in the illustration, the cost of...

Question 1 / 205eccefa4bacbc34ba4d484dc

Question 1 of 205eccefa4bacbc34ba4d484dc

As shown in the illustration, the cost of failure is inversely related to frequency of maintenance, whereas the cost of maintenance is directly related to frequency of maintenance. In this particular illustrated example, what frequency of maintenance would be the most efficient in controlling the total cost? See illustration EL-0224.

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🔍 Key Concepts

• Total cost is the sum of cost of failure and cost of maintenance • On a graph, the most efficient point is usually where the total cost curve reaches its lowest point (minimum) • Maintenance done too rarely increases failure cost; done too often increases maintenance cost

💭 Think About

• Look at where the total cost curve (not the individual cost curves) is at its lowest point on the horizontal axis marked with the different frequencies • Compare that lowest point to the labeled positions: Biannually, Annually, Semi-annually, Quarterly • Ask yourself: at which labeled frequency does moving left or right from that point make the total cost curve rise?

✅ Before You Answer

• Be sure you are following the total cost curve, not the cost of failure or the cost of maintenance alone • Visually identify the minimum point of the total cost curve and then match it to the closest labeled frequency on the x‑axis • Confirm that on both sides of that point (less and more frequent maintenance) the total cost line is higher than at the point you chose

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Question 1 of 20

Biannually

Annually

Semi-annually

Quarterly

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Question 1 / 205eccefa4bacbc34ba4d484dc

Question 1 of 205eccefa4bacbc34ba4d484dc

Back

Question 1 of 20

5eccefa4bacbc34ba4d484dc

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🔍 Key Concepts

💭 Think About

✅ Before You Answer

👋 Hi! I'm Genie, your AI study assistant. How can I help you with this question?

Quick actions

— No credit card needed