An Assembly Line to Be Balanced Has Six Tasks in Precedence.The

question 92

Multiple Choice

An assembly line to be balanced has six tasks in precedence.The task times are shown in the following table.Based on demand forecasts,the output rate has to be 160 units per day.The line operates 8 hours a day.Compute the theoretical minimum amount of idle time (I) .
$$\begin{array} { | l | l | l | } \hline \text { Tasks } & \text { Immediate Predecessor } & \begin{array} { l } \text { Task Time in } \\\text { Minutes }\end{array} \\\hline \mathrm { A } & \text { NONE } & 3 \\\hline \mathrm { B } & \mathrm { A } & 1 \\\hline \mathrm { C } & \mathrm { A } & 2 \\\hline \mathrm { D } & \mathrm { B } , \mathrm { C } & 3 \\\hline \mathrm { E } & \mathrm { C } & 3 \\\hline \mathrm { F } & \mathrm { D } , \mathrm { E } & 2 \\\hline\end{array}$$

• A)0
• B)1
• C)2
• D)3

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Definitions:

Diatoms

Microalgae with silica shells, found in almost every aquatic environment and play a crucial role in oxygen production.

Pseudopodia

Temporary, amoeba-like projections of eukaryotic cell membranes that are used for movement and feeding.

Amoeboids

Organisms characterized by their ability to change shape due to the movement of their pseudopodia, aiding in locomotion and feeding.

Euglenids

Unicellular organisms that are mostly autotrophic, belonging to the kingdom Protista.