The critical path for this network is A - E - F and the project completion time is 22 weeks.

$$\begin{array} { c c c r r }
\text { Activity } & \begin{array} { c }
\text { Normal } \
\text { Time }
\end{array} & \begin{array} { c }
\text { Crash } \
\text { Time }
\end{array} & \begin{array} { c }
\text { Normal } \
\text { Cost }
\end{array} & \multicolumn{1}{c} { \begin{array} { c }
\text { Crash } \
\text { Cost }
\end{array} } \
\hline \text { A } & 12 & 8 & 8,000 & 12,000 \
\text { B } & 14 & 10 & 5,000 & 7,500 \
\text { C } & 8 & 8 & 10,000 & 10,000 \
\text { D } & 5 & 3 & 6,000 & 8,000 \
\text { E } & 4 & 3 & 5,000 & 7,000 \
\text { F } & 6 & 5 & 9,000 & 12,000 \
\text { G } & 10 & 8 & 5,000 & 8,000
\end{array}$$ If a deadline of 17 weeks is imposed,give the linear programming model for the crashing decision.

Question

The critical path for this network is A - E - F and the project completion time is 22 weeks.
  ​
 $$\begin{array} { c c c r r } 
\text { Activity } & \begin{array} { c } 
\text { Normal } \
\text { Time }
\end{array} & \begin{array} { c } 
\text { Crash } \
\text { Time }
\end{array} & \begin{array} { c } 
\text { Normal } \
\text { Cost }
\end{array} & \multicolumn{1}{c} { \begin{array} { c } 
\text { Crash } \
\text { Cost }
\end{array} } \
\hline \text { A } & 12 & 8 & 8,000 & 12,000 \
\text { B } & 14 & 10 & 5,000 & 7,500 \
\text { C } & 8 & 8 & 10,000 & 10,000 \
\text { D } & 5 & 3 & 6,000 & 8,000 \
\text { E } & 4 & 3 & 5,000 & 7,000 \
\text { F } & 6 & 5 & 9,000 & 12,000 \
\text { G } & 10 & 8 & 5,000 & 8,000
\end{array}$$ If a deadline of 17 weeks is imposed,give the linear programming model for the crashing decision.

Quizplus · Accepted Answer

The Answer of The critical path for this network is A - E - F and the project completion time is 22 weeks.
  ​
 $$\begin{array} { c c c r r } 
\text { Activity } & \begin{array} { c } 
\text { Normal } \
\text { Time }
\end{array} & \begin{array} { c } 
\text { Crash } \
\text { Time }
\end{array} & \begin{array} { c } 
\text { Normal } \
\text { Cost }
\end{array} & \multicolumn{1}{c} { \begin{array} { c } 
\text { Crash } \
\text { Cost }
\end{array} } \
\hline \text { A } & 12 & 8 & 8,000 & 12,000 \
\text { B } & 14 & 10 & 5,000 & 7,500 \
\text { C } & 8 & 8 & 10,000 & 10,000 \
\text { D } & 5 & 3 & 6,000 & 8,000 \
\text { E } & 4 & 3 & 5,000 & 7,000 \
\text { F } & 6 & 5 & 9,000 & 12,000 \
\text { G } & 10 & 8 & 5,000 & 8,000
\end{array}$$ If a deadline of 17 weeks is imposed,give the linear programming model for the crashing decision.

The Critical Path for This Network Is a - E