A project is represented by the activity durations (estimated at 90% likelihood of completion)and precedence requirements shown in the table.What is the length of the feeder buffer for path NQT if this project is managed using critical chain methodology? $\begin{array}{|l|l|l|l|l|l|}
\hline \text { Activity } & \text { Predecessor } & \text { Length } & \text { Activity } & \text { Predecessor } & \text { Length } \
\hline \mathrm{M} & - & 8 &\mathrm{R} & -- & 12 \
\hline \mathrm{N} & - & 8 & \mathrm{~S} & \mathrm{P} & 14 \
\hline \mathrm{P} & \mathrm{M} & 12 & \mathrm{~T} & \mathrm{R}, \mathrm{Q} & 7 \
\hline \mathrm{Q} & \mathrm{N} & 10 & \mathrm{~V} & \mathrm{~S}, \mathrm{~T} & 11\
\hline
\end{array}$

A)9.0
B)2.25
C)4.5
D)6.75

Question

A project is represented by the activity durations (estimated at 90% likelihood of completion)and precedence requirements shown in the table.What is the length of the feeder buffer for path NQT if this project is managed using critical chain methodology? $\begin{array}{|l|l|l|l|l|l|}
\hline \text { Activity } & \text { Predecessor } & \text { Length } & \text { Activity } & \text { Predecessor } & \text { Length } \
\hline \mathrm{M} & - & 8 &\mathrm{R} & -- & 12 \
\hline \mathrm{N} & - & 8 & \mathrm{~S} & \mathrm{P} & 14 \
\hline \mathrm{P} & \mathrm{M} & 12 & \mathrm{~T} & \mathrm{R}, \mathrm{Q} & 7 \
\hline \mathrm{Q} &  \mathrm{N} & 10 & \mathrm{~V} & \mathrm{~S}, \mathrm{~T} & 11\ 
\hline 
\end{array}$

A)9.0
B)2.25
C)4.5
D)6.75

Quizplus · Accepted Answer

The feeder buffer for path NQT is the difference between the length of the critical path and the length of path NQT. The critical path is M-P-S-V, with a length of 35 days. Path NQT has a length of 32.75 days. Therefore, the feeder buffer for path NQT is 35 - 32.75 = 2.25 days.

A Project Is Represented by the Activity Durations (Estimated at 90