Essay
The specifications for a manifold gasket that installs between two engine parts calls for a thickness of 2.500 mm ± .020 mm.The standard deviation of the process is estimated to be 0.004 mm.What are the upper and lower specification limits for this product? The process is currently operating at a mean thickness of 2.50 mm.(a)What is the 
for this process? (b)The purchaser of these parts requires a capability index of 1.50.Is this process capable? Is this process good enough for the supplier? (c)If the process mean were to drift from its setting of 2.500 mm to a new mean of 2.497,would the process still be good enough for the supplier's needs?
Correct Answer:
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(a)LSL = 2.48 mm. ,USL = 2.52 mm. 
= (2....View Answer
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Correct Answer:
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= (2....View Answer
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