A Drilling Machine Has a Mean Time Between Failures of 368

question 53

Multiple Choice

A drilling machine has a mean time between failures of 368 hours and mean time to repair of 9 hours.In this case,the availability is ______.

• A)97.6%
• B)89.7%
• C)78.9%
• D)93.8%

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Definitions:

Small Incision

A minimal cut or surgical opening in the skin or body tissue, often used in less invasive procedures to reduce healing time and risk of infection.

Internal Ulcer

A sore or lesion forming on the interior lining of an organ, often in the stomach or intestines, causing pain and discomfort.

Gastric Ulcer

A sore or lesion that develops on the lining of the stomach, caused by various factors, including infection with Helicobacter pylori.

Duodenal Ulcer

A sore that develops on the lining of the duodenum, the first part of the small intestine, often due to infection or excessive acid.