A Subassembly Is Inspected and the Number of Defects Recorded

question 73

Multiple Choice

A subassembly is inspected and the number of defects recorded. A new group of assemblers began work Monday morning. The number of defects per subassembly for the first 10 they produced was: 3,2,0,5,4,6,0,7,7,and 6. What are the upper and lower limits for the c-bar chart?

• A)15 and 0
• B)10 and 0
• C)1.12 and 0
• D)6 and −2

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Definitions:

Armature

A component of electric machines, typically rotating, that acts in conjunction with a magnetic field to produce electrical energy (in a generator) or mechanical energy (in a motor).

Servomotor

A motor used for precise position control.

Fiberglass

A reinforced plastic material composed of glass fibers embedded in a resin matrix, known for its strength and durability.

Copper Rotor

A copper rotor is a component of an electric motor, where copper is used in the rotor windings due to its high electrical conductivity, improving motor efficiency.