Examlex

Solved

Three Critical Path Activities Are Candidates for Crashing on a CPM

question 77

Essay

Three critical path activities are candidates for crashing on a CPM network. Activity details are in the table below.
 Activity  Normal Time  Normal Cost  Crash  Duration  Crash Cost X8 days $6,0006 days $8,000Y3 days $1,8002 days $2,400Z12 days $5,0009 days $7,700\begin{array} { | c | c | c | c | c | } \hline \text { Activity } & \text { Normal Time } & \text { Normal Cost } & \begin{array} { c } \text { Crash } \\\text { Duration }\end{array} & \text { Crash Cost } \\\hline \mathrm { X } & 8 \text { days } & \$ 6,000 & 6 \text { days } & \$ 8,000 \\\hline \mathrm { Y } & 3 \text { days } & \$ 1,800 & 2 \text { days } & \$ 2,400 \\\hline \mathrm { Z } & 12 \text { days } & \$ 5,000 & 9 \text { days } & \$ 7,700 \\\hline\end{array} a. What is the crash cost per unit
time for each of the three activities?
b. Which activity should be crashed first to cut one day from the project's duration; how much is added to project cost?
c. Which activity should be the next activity crashed to cut a second day from the project's duration; how much is added to project cost?

Recognize the significance of infant mortality rates as an indicator of a nation's health status.
Differentiate between various measures used to operationalize the health of a population.
Comprehend the advantages of education, occupational status, income, and wealth on life expectancy and overall health.
Understand the essential health needs and challenges in countries with limited access to resources, such as clean drinking water and medical care.

Definitions:

Ground-Faults

Faults that occur when there is an unintended electrical path between a power source and a grounded surface.

Overcurrent

A condition where the current exceeds the rated capacity of the conducting medium, potentially causing damage or overheating.

Ladder Diagrams

A graphical representation of a control circuit or system layout, resembling the rungs and rails of a ladder.

Wiring Diagrams

Schematic representations showing the electrical connections and functions of wiring within an electrical circuit or system.

Related Questions