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

question 90

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 balance efficiency E. $$\begin{array} { | l | l | l | } \hline \text { Tasks } & \text { Immediate Predecessor } & \begin{array} { l } \text { Task Time in } \\\text { Minutes }\end{array} \\\hline \mathrm { A } & \text { NONE } & 3 \\\hline \mathrm { B } & \mathrm { A } & 1 \\\hline \mathrm { C } & \mathrm { A } & 2 \\\hline \mathrm { D } & \mathrm { B } , \mathrm { C } & 3 \\\hline \mathrm { E } & \mathrm { C } & 3 \\\hline \mathrm { F } & \mathrm { D } , \mathrm { E } & 2 \\\hline\end{array}$$

• A)93%
• B)87%
• C)80%
• D)100%

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Definitions:

Biotic Potential

The maximum reproductive capacity of a species under optimal environmental conditions.

Critical Nutrients

Essential substances required for growth and maintenance of life that the body cannot synthesize in sufficient quantities and must be obtained through the diet.

Carrying Capacity

The maximum population size of a species that an environment can sustain indefinitely, considering the food, habitat, water, and other necessities available in the environment.

Logistic Growth Curve

A model describing population growth that slows as the population reaches carrying capacity, resulting in an S-shaped curve.