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ASSIGNMET
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DRIE
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FALL 2014
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PROGRAM/SEMESTER
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MBADS – (SEM
4/SEM 6) / MBAN2 / MBAFLEX – (SEM 4)
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PGDOMN – (SEM
2)
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SUBJECT CODE
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OM 0015 –
MAINTENANCE MANAGEMENT (4 CREDITS)
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BK ID
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B1340
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MARKS
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60
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Q1.
What are the stages in the lifecycle management of any machinery? (List the
stages in the lifecycle management of any machinery, Explain what is done in
each stage , you may use examples if needed.) 1, 9
Answer:
Asset Life Cycle
Management
Every asset has
its own life cycle. The managerial efficiency and effectiveness lies with the
fact as to how well they utilise the asset within its life cycle. The
maintenance methods are used to keep the machines working to its optimum
efficiency levels within that life cycle and obtain maximum benefits. With
state of art machineries being deployed for production, the demand to produce
high quality products to high volumes, demands the best maintenance management
system over the life cycle of the machineries. .
Q2. Write short
notes on:
- Fault tree analysis for improving maintenance
effectiveness
- Routine maintenance
- Problems in maintenance scheduling
- Wrench Time
Answer:
Fault Tree Analysis
.
For improving maintenance
effectiveness one of the tools used is the fault tree analysis. In electrical
and control systems, failures are linked to certain physical portions of the
equipment. For instance, non operation of a set of wiring combinations in an
electrical system may result in certain types of failures. To know the root cause
of the problem, it may be necessary to isolate the circuit so that the failed
segment could be identified immediately.
A fault tree is therefore a
network diagram of the circuitry that facilitates tracing the component failure
to specific portion of the network, thus helping maintenance personnel to
directly attend the problem.
Q3.
Why detail analysis and use of different methods are essential requirements for
taking suitable decisions on the equipment replacements? Explain briefly these
methodologies used.
(Reasons
for detail analysis and use of different Methods:Decision Tree method-2 marks,
Minimum Annual Cost method-2 marks, Barnes Formula method-2 marks, MAPI
Method-2 marks) 10 marks
Answer-3
The method of
replacement and its analysis is similar to those adopted while procuring the
equipments under original investment plans of the project, except for the
following differences:
The original
investment analysis was made from purely investment and returns basis, whereas
in case of replacement the estimation will also consider the residual
serviceable life the existing equipment.
Q4.
Explain briefly the ABC classification and reasons behind recommending ABC and
VED classifications for managing
inventory of spare parts for maintenance?
(Explanation
of ABC classification including class-6 marks, items and their features reasons behind
recommending
ABC and VED classifications for managing inventory-4 marks) 10 marks
Answer-4
Classification of Inventories
Let us discuss about the inventory
control methodologies that are practiced and see which common method out of
these could be adopted in inventory management of spare parts. Inventory of
production items, components, and aggregates are classified into groups based
on their relative importance with respect to availability, the economy or the
lead time for procurement. Inventory items are classified and controlled based
on some criterions.
Q5.
Explain briefly the universal principles used for improving productivity of the
maintenance management
(Scientific principle-1 mark, Measurement and
control-2 mark , Activity and
responsibility-1 mark, Customer and service relationship-2 marks, Crew size-2
marks, Timelines-2 marks) 10 marks
Answer-5
Total Productive Maintenance (TPM) is a
business process improvement method, developed from the perspective of
maintenance management. TPM concentrates on productivity improvement, primarily
by way of maximizing the availability of equipment.
Scientific
principle
Best
productivity results can be achieved when each worker has a definite job to do
in a definite way within a definite time. Here the Frederick Taylor‟s principle
of scientific management can be applied to all tasks and hence maintenance can
also adopt the principles laid out by Taylor.
Q6.
What is meant by ‘Overall Equipment Effectiveness (OEE)’? What are its
constituents and objectives served?
List the OEE Losses?
(Concept-2 marks, Components/constituents-3
marks, objectives served by OEE,
calculation of OEE-3 marks, Listing of
OEE losses-2 marks) 10 marks
Answer-6
Overall Equipment Effectiveness (OEE)
The
central concept of TPM philosophy is to maximize the “Overall Equipment
Effectiveness (OEE). The success of TPM program is related to recognizing OEE
as an important measure for maintenance management OEE is defined as the
product of the availability of the equipment and the overall performance
efficiency resulting in the quality output, with zero defects.
Get fully solved assignment, plz drop a mail with your sub code
computeroperator4@gmail.com
Charges rs
125/subject and rs 700/semester only.
if urgent then call us on 08791490301, 08273413412
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