运营管理》课后习题答案文档格式.docx
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运营管理》课后习题答案文档格式.docx
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9,900
3.03
2
33,600
3,360
5,040
2,820
11,220
2.99
3
32,200
2,760
11,160
2.89
4
35,400
3,840
5,760
12,480
2.84
*refertosolvedproblem#2
Multifactorproductivitydroppedsteadilyfromahighof3.03toabout2.84.
4.a.Before:
805=16cartsperworkerperhour.
After:
844=21cartsperworkerperhour.
b.Before:
($10x5=$50)+$40=$90;
hence80÷
$90=.89carts/$1.
After:
($10x4=$40)+$50=$90;
hence84÷
$90=.93carts/$1.
c.Laborproductivityincreasedby31.25%((21-16)/16).
Multifactorproductivityincreasedby4.5%((.93-.89)/.89).
*MachineProductivity
Before:
80÷
40=2carts/$1.
After:
84÷
50=1.68carts/$1.
Productivityincreasedby-16%((1.68-2)/2)
Chapter03-ProductandServiceDesign
6.StepsforMakingCashWithdrawalfromanATM
1.InsertCard:
MagneticStripShouldbeFacingDown
2.WatchScreenforInstructions
3.SelectTransactionOptions:
1)Deposit
2)Withdrawal
3)Transfer
4)Other
4.EnterInformation:
1)PINNumber
2)SelectaTransactionandAccount
3)EnterAmountofTransaction
5.Deposit/Withdrawal:
1)Deposit—placeinanenvelope(whichyou’llfindnearorintheATM)andinsertitintothedepositslot
2)Withdrawal—liftthe“WithdrawalDoor,”beingcarefultoremoveallcash
6.Removecardandreceipt(whichservesasthetransactionrecord)
8.
Technical
Requirements
Ingredients
Handling
Preparation
CustomerRequirements
Taste
√
Appearance
Texture/consistency
Chapter04-StrategicCapacityPlanningforProductsandServices
2.
Actualoutput=.8(Effectivecapacity)
Effectivecapacity=.5(Designcapacity)
Actualoutput=(.5)(.8)(Effectivecapacity)
Actualoutput=(.4)(Designcapacity)
Actualoutput=8jobs
Utilization=.4
10.a.Given:
10hrs.or600min.ofoperatingtimeperday.
250daysx600min.=150,000min.peryearoperatingtime.
Totalprocessingtimebymachine
Product
A
B
C
48,000
64,000
32,000
36,000
24,000
60,000
Total
000
208,000
122,000
Youwouldhavetobuytwo“A”machinesatatotalcostof$80,000,ortwo“B”machinesatatotalcostof$60,000,orone“C”machineat$80,000.
b.Totalcostforeachtypeofmachine:
A
(2):
000min60=3,100hrs.x$10=$31,000+$80,000=$111,000
B
(2):
208,00060=3,466.67hrs.x$11=$38,+$60,000=$98,
C
(1):
122,00060=2,033.33hrs.x$12=$24,400+$80,000=$104,400
Buy2Bs—thesehavethelowesttotalcost.
Chapter05-ProcessSelectionandFacilityLayout
a
d
f
7
5
b
c
e
9
h
i
6
g
3.
Desiredoutput=4
Operatingtime=56minutes
Task
#ofFollowingtasks
PositionalWeight
23
20
18
D
25
E
F
29
G
24
H
14
I
a.Firstrule:
mostfollowers.Secondrule:
largestpositionalweight.
AssemblyLineBalancingTable(CT=14)
WorkStation
TaskTime
TimeRemaining
FeasibletasksRemaining
A,D,G
B,G
–
II
B,E
III
10
IV
b.Firstrule:
Largestpositionalweight.
AssemblyLineBalancingTable(CT=14)
8
A,E
B,E
c.
1.
4.
a.l.
2.MinimumCt=1.3minutes
Followingtasks
Eligible
Assign
IdleTime
1.1
b,c,e,(tie)
0.7
0.4
0.3
0.0
f,g
0.5
0.2
0.1
0.6
3.
4.
b.1.
2.Assigna,b,c,d,andetostation1:
2.3minutes[noidletime]
Assignf,g,andhtostation2:
2.3minutes
3.
4.
7.
Chapter06-WorkDesignandMeasurement
Element
PR
OT
NT
AFjob
ST
.90
.46
.414
1.15
.476
.85
1.505
1.280
1.472
1.10
.83
.913
1.050
1.00
1.16
1.160
1.334
Total4.332
A=24+10+14=48m
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