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:

Exhaled Tidal Volume

The volume of air expelled from the lungs during a normal breath, a parameter often measured in respiratory assessments and ventilatory support to gauge lung health and function.

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A sudden, violent cough that comes in spasms, often indicative of respiratory conditions.

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Sounds produced to express or communicate emotions, thoughts, or desires, important in clinical assessments.

Tracheostomy Site

The surgically created opening in the neck leading directly to the trachea (windpipe) to aid breathing.