A Work Cell Is Required to Make 140 Computerized Diagnostic

question 64

Essay

A work cell is required to make 140 computerized diagnostic assemblies (for installation into hybrid automobiles)each day.The cell currently works an eight hour shift,of which seven hours is available for productive work.These assemblies require five operations.Standard times for these operations are: Operation A,3.0 minutes,B,1.8 minutes,C,2.4 minutes,D,2.5 minutes,and E,1.4 minutes.
(a)What is takt time for this cell?
(b)How many workers will be needed to achieve this schedule?

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Definitions:

L-Gulose

A rare sugar, an isomer of glucose, not commonly found in nature.

Fischer Projection

A two-dimensional representation of a three-dimensional organic molecule by projection, used to depict stereoisomers.

Fischer Projection

A two-dimensional representation of a molecule's structure to display chirality by projecting asymmetric carbon atoms.

(2S,3R)-2,3-Dihydroxybutanoic Acid

A specific stereochemical form of dihydroxybutanoic acid, an organic compound with two hydroxyl groups located at the second and third carbons.