Machine Oil Is Used by Clothing Manufacturers to Lubricate and Protect

question 9

Multiple Choice

Machine oil is used by clothing manufacturers to lubricate and protect sewing machines. A company that produces machine oil must ensure that the viscosity of its product meets customer requirements. Consequently, the viscosity of every batch of oil produced is measured. Suppose that the process mean is 101 cP and the process standard deviation is 1.50 cP. What are the limits for a runs chart to be used to see that the process remains control?

• A) 99.5 cP and 102.5 cP
• B) 96.5 cP and 105.5 cP
• C) 95.5 cP and 106.5 cP
• D) 92.5 cP and 110.5 cP
• E) 99.5 cP and 107.5 cP

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Definitions:

Neuroglial Cells

Neuroglial cells, or simply glia, are non-neuronal cells in the nervous system that provide support, protection, and nutrition to neurons, playing a crucial role in maintaining neuronal function.

PNS

Peripheral Nervous System, which includes all the nerves that lie outside the brain and spinal cord, responsible for connecting the CNS to the limbs and organs.

Microbial Infection

Invasion and multiplication of microorganisms in body tissues, causing disease or symptoms.

Microglia

Small neuroglial cells that become phagocytic and mobile in response to inflammation; considered to be macrophages within the central nervous system.