OPERATIONS MANAGEMENT: SUSTAIN ACCESS C
13th Edition
ISBN: 9780135662076
Author: HEIZER
Publisher: PEARSON
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Question
Chapter 17, Problem 1DQ
Summary Introduction
To determine: The objective of maintenance and reliability.
Introduction: Reliability is the probability that a product can perform over a specific period. It is the consistency of the product to perform in the same way for a particular period of time.
Expert Solution & Answer
Explanation of Solution
The objective of maintenance and reliability is as follows:
The major objective of maintenance and reliability is maintaining the ability or competency of certain system in the meantime while controlling the cost of the system.
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Question 1
The probability that equipment in a hospital lab will need recalibration is given in the table below. A service firm will provide maintenance and provide any necessary calibrations for $650 per month. Recalibration costs $500 per time.
Number of Recalibrations
0
1
2
3
4
Probability of Occurrence
.15
.25
.30
.20
.10
Determine which approach, recalibration as needed or the service contract, would cost less.
Question 2
Determine the optimum preventive maintenance frequency for each of the pieces of equipment below if breakdown time is normally distributed.
Equipment
Average Time (days) between Breakdowns
Standard Deviation
Preventive Maintenance Cost
Breakdown Cost
A201
20
2
$300
$2300
B400
30
3
$200
$3500
C850
40
4
$250
$4800
Hint:
Step 1:Compute the ratio of preventive cost to breakdown cost for each piece of equipment (round to a maximum of four decimals).
Step 2:
Find the z value corresponding to the ratio from Step 1 and use this value of z to compute…
Question 9
Quality impacts:
O Product design
O The supplier
O Maintenance
O The customer
O All are true
Chapter 17 Solutions
OPERATIONS MANAGEMENT: SUSTAIN ACCESS C
Ch. 17 - Prob. 1DQCh. 17 - Prob. 2DQCh. 17 - Prob. 3DQCh. 17 - Prob. 4DQCh. 17 - Prob. 5DQCh. 17 - Prob. 6DQCh. 17 - Prob. 7DQCh. 17 - Prob. 8DQCh. 17 - Prob. 9DQCh. 17 - Prob. 10DQ
Ch. 17 - Prob. 1PCh. 17 - Prob. 2PCh. 17 - Prob. 18PCh. 17 - Prob. 19PCh. 17 - Prob. 3PCh. 17 - Prob. 4PCh. 17 - Prob. 5PCh. 17 - Prob. 6PCh. 17 - Prob. 7PCh. 17 - Prob. 8PCh. 17 - Prob. 9PCh. 17 - Prob. 10PCh. 17 - Prob. 11PCh. 17 - Prob. 12PCh. 17 - Prob. 20PCh. 17 - Prob. 13PCh. 17 - Prob. 21PCh. 17 - Prob. 14PCh. 17 - Prob. 15PCh. 17 - Prob. 16PCh. 17 - Prob. 17PCh. 17 - Prob. 22PCh. 17 - Prob. 1.1VCCh. 17 - Prob. 1.2VCCh. 17 - Prob. 1.3VC
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