hich statement is true about Project Management?

A$.$ Slack is defined as the difference between the earliest start and the latest finish

of a task

B$.$ The critical path has slack time of zero for all activities

C$.$ Project crashing is an effort to maximize project duration

D$.$ The earliest finish for a task is equal to the latest start plus the task duration

E$.$ None of the above statements are true

$2.$ If your earliest start is $8$ and your latest start is $10$ for the same activity in a CPM

$($Critical Path Method$)$ analysis, which of the following statement holds?

A$.$ The earliest finish time must be $8$ B$.$ The slack for this activity is $2$

C$.$ The latest finish time must be $12$ D$.$ All of the above

E$.$ None of the above

$3.$ Flow time $($not the $$theoretical flow time$)$ can be defined as:

I. The time that a unit is being processed by the machines and workers in the system

II$.$ The time that a unit which leaves the process has spent within the process

III.The time for a unit to move through the system

$2$

A$.$ I B$.$ I and II only C$.$ II and III only

D$.$ I and III only E$.$ I, II and III

$4.$ The advantage$($s$)$ of the network planning models such as CPM diagram over the Gantt

chart is $($are$)$ that:

A$.$ It is easy to use and quite widely understood

B$.$ The precedence relationships in network scheduling are explicitly shown

C$.$ They are less costly to use

D$.$ Both A and B E$.$ Both B and C

$5.$ In this $4-$week cycle, what is the average inventory?

Week Input rate Output rate

$1600400$

$2600750$

$3600500$

$4600550$

A$.50$ B$.100$ C$.150$ D$.200$ E$.$ None of the above

$6.$ In Toyota$$s Georgetown Kentucky plant, one finished car rolls off the assembly line

every $20$ seconds. It takes $100$ minutes to assemble a car. How many cars are being

worked on in the assembly line at any given point in time?

A$.100$ cars B$.200$ cars C$.300$ cars D$.400$ cars

E$.500$ cars

$3$

$7.$ Which of the following statement is NOT true regarding operations frontier?

A$.$ d is more desirable than e but less desirable than b

B$.$ There is a trade$-$off for firm to operate at a or c$,$ but both are equally desirable

C$.$ Ensuring firm to operate at the operations frontier is a strategic issue

D$.$ It is possible for firm e to operate at b through process improvement

E$.$ Firm a is equally desirable as b

$8.$ Please find the inventory level at the end of $5-$weeks production based on the following

table. The starting inventory at the beginning of week $1$ is $100.$

Week Input Rate Output Rate

$1200300$

$2300100$

$3400200$

$4200600$

$5300200$

A$.0$ units B$.100$ units C$.200$ units D$.300$ units E$.$ None of the above

$9.$ Following the above question, assume that inventory changes in discrete steps weekly.

What is the average inventory level for the $5-$week period?

A$.40$ units B$.140$ units C$.180$ units D$.200$ units E$.$ None of the above

Quality

$4$

$10.$ Based on the following network with activity durations, the critical path is:

A$.$ A$-$B$-$E$-$G B$.$ A$-$C$-$F$-$G C$.$ A$-$D$-$F$-$G D$.$ None of the above

$11.$ Following the above question, the activity times $($in weeks$)$ and costs $($in dollars$)$ are

given as follows. To reduce the project time to $17$ weeks in a most cost effectively,

which activities should to be crashed:

Activities Normal

Time

Normal

Cost

Crash

Time

Crash

Cost

Crash

Cost$/$week

A $23001450150$

B $64804960240$

C $114009620110$

D $103007900200$

E $86006960180$

F $52403600180$

G $34203420--$

A$.$ A$,$ C and F only B$.$ A$,$ C and E only C$.$ A$,$ C$,$ E and F

D$.$ A$,$ C$,$ D and E$.$ E$.$ None of the above

$12.$ Which of the following is not a typical type of process?

A$.$ Job Shop B$.$ Batch C$.$ Commodity Flow

D$.$ Project E$.$ Assembly Line

$5$

$13.\_\_\_\_\_\_\_\_$ is when the activities in the stage must stop because there is no work.

A$.$ Buffering B$.$ Blocking C$.$ Starving

D$.$ Setup E$.$ None of the above

$14.$ The following table shows the unit load of processing product A and product B for

each resource. What is the bottleneck resource for the product mix of $2$A$+1$B$?$

Unit load $($min$/$unit$)$

Product A Product B

Resource $154$

Resource $208$

Resource $363$

A$.$ Resource $1$ B$.$ Resource $2$ C$.$ Resource $3$

D$.$ Resource $1$ and $3$ E$.$ Unknown

$15.$ The Children Hospital has $200$ beds for patients. On average, the hospital beds have

a $90\%$ occupancy rate. Suppose the average length of stay is $3$ days. On average,

how many patients are discharged from the hospital on any given day?

A$.120$; B$.90$; C$.60$; D$.30$; E$.$ None of the above

$16.$ Consider a process consisting of two activities with different unit loads shown

below $($s for second$)$:

To double the output per hour, you can

A$.$ Buy one more Machine $1$ for Activity $1($working in parallel$)$

B$.$ Replace Machine $2$ with a faster machine which cuts the unit load by half

C$.$ Buy one more Machine $2$ for Activity $2($working in parallel$)$

D$.$ Both B and C; E$.$ None of the above

$17.$ You are the manager of a project. Today, you observe your cumulative cost chart

and find that BCWC $($budgeted cost for work completed$)$ is right now above BCWS

$($budgeted cost for work scheduled$).$ W