Operations Management

Wochenfragen FS 18

Wochenfragen FS 18


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Cartes-fiches 144
Langue English
Catégorie Gestion d'entreprise
Niveau Université
Crée / Actualisé 07.06.2018 / 23.01.2020
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For parts classified "high risk / low financial impact" (Bottleneck) the best purchasing profile is a? W06

Technical Expert

Savings activities in Procurement can be considered a "source of EBIT"? W06

The Purchasing Managers' Index is? W06

a so called "leading indicator", useful to foresee trends in the industrial world

The risk of frauds is considered by procurement experts to have? W06

  •              a low probability
  •              a low damage potential

In the evaluation of suppliers' performance the following can be used as KPI? W06

  •              delivery precision (Service Level%)
  •              responsiveness to requests

Public product recalls are? W06

  •              avoided until possible by manufacturers
  •              very expensive

The added complexity to Procurement specific to the Aerospace industry is due to? W06

  • The risk that a supplier selected now cannot deliver within time or cost in 2-3 years and disrupts the whole development programme
  • The long time line. A selected supplier must still exist after decades from project start

An excellent supplier is a source of .. for its customer? W06

  •              Cast reduction projects
  •              Problem solving projects
  •              Innovation
  •              Corporate image

Purchases for capital goods, like machines or IT systems, are often decided only by? W06

the responsible of the Function requ iring them

Accord ing to 1509001 any organization shall ensure that purchased products? W06

conform to the specified purchase requirements

Warranty is? W06

  •              defined in the contractual conditions
  •              a protection for the customer

An early involvement of Procurement experts, while Sales and R&D are still discussing with Customers about new Products? W06

has a positive effect: know-how of Suppliers can be used in earlier stages, cutting our own development times and costs

The Customer Audit substitutes the ISO 9001 Audit? W06

lf a customer audit identifies major non conformances (issues) what may happen? W06

  •              client may even stop purchasing from that supplier
  •              corrective actions are requested and results must be documented

The added complexity to Procurement specific to the Aerospace industry is due to:? W06

  • The risk that a supplier selected now cannot deliver within time or cost in 2-3 years and disrupts the whole development programme
  • The long time line. A selected supplier must still exist after decades from project start

Routings indicate (among other information) the sequence of operations to be followed to obtain a given product, as well as the standard time needed for each operation? W07

A Tool manufacturer is a typical example of? W07

  •              At the agreed quality levels
  •              With minimum consumption of resources

Facility management, for a production site, takes care of? W08

  •              Availability of all needed utilities (like Piping, Lighting, Steam, Water treatment
  •              Maintenance of buildings and infrastructure for production, inventory and for offices

The Value Stream Map time calculations lead us to calculate a ratio of "Total Lead time" to the "Sum of the Cycle tim es" (or total Value added time) of about...? W08

1000+

To calculate the Lead Time associated to lnventory (the triangles in a Value Stream Map) one must know ...? W08

The Takt time for the analysed product family/ product

A value stream map analysis is most powerful when conducted ..? W08

With a multi-functional team

Takt time is: net operating time divided by cycle time? W08

A kanban card is used as a signal to ...? W08

  •              Start production in a Workcell
  •              Order from a supplier (internal or external)

On a Kanban board one can see very easily which products are required and how many Kanbans need to be processed, however one cannot see which ones must be produced? W08

Overall equipment effectiveness (OEE) is an important KPI at Workcell level? W08

The value of Overall equipment effectiveness (OEE) calculated for the whole Plant is a meaningful indicator of good performance.? W08

A first step to a better organized production is levelling production in a Workcell, making all cycles time of its machines very close to each other and ..? W08

lower than Takt time (to be on the safe side)

A U-cell layout has normally positive effects like ..? W08

  •              A reduction of space occupation
  •              A more ergonomic and visible work area

The Japanese approach of "Levelled production" ensures that all products are produced every day, therefore levelling their demand over several days without overloading? W08

Once you eliminated (in Goldratt's words: elevate) the bottleneck in a process you will? W08

consider maybe to elim inate (elevate) also the "near" bottleneck

In the japanese approach, production starts only when a real customer requires a given product, not when machines are available, producing then for stock.? W08

The value stream map:? W08

Helps identify where to improve a production process

The best plants, according to the Toyota Production Systems, do not have areas for storage, so that the inventory cannot build up.? W08

lt is not recommended to keep empty areas in the plant, because they give a negative message to customers and employee.? W08

In VA/VE activities, on top of some specific forms, Problem Solving techniques are mostly used? W09

 

Spaghetti charts normally indicate the physical path followed by products across the whole plant? W09

Typical savings achieved thanks to VA/VE are big and can amount for instance to: ? W09

  •              -30% in Work in Process
  •              -3’% space occupation

A ‘Future state’ Value Stream Map must not differ too much from the current one, to reduce the resistance to change of personnel? W09

Single minute exchange of dies (SMED) helps to perform all changeover activities while machines are stil l running, so that changing from one product to the next one takes only? W09

Poka Yoke techniques...? W09

  •              warn the operators when an error occur
  •              make some errors impossible