Mgt 477 - GR 3 Review

Multiple Choice

Who determines quality?

• The CEO

• The Customer

• The Ops Manager

• The Engineers

Multiple Choice

Which of the following is NOT one of the 4 dimensions of product quality

• Quality of Design

• Availability

• Fitness for Use

• Quality of Conformance

• Field Service

Multiple Choice

A C-17 typically flies 5 days and then requires 1 day of maintenance.

What is the C-17's availability?

$$availability\ =\ \frac{MTBF}{MTBF\ +\ MTTR}$$

• 79%

• 20%

• 83%

• 16%

Multiple Choice

A product has 75 parts with 0.3% defects in each. What is the quality yield?

• 85.73%

• 97.89%

• 79.82%

• 99.7%

Multiple Choice

There is a tradeoff between a prevention/appraisal costs and internal/external failure costs which results in a product being less than 100% good.

• True

• False

Multiple Choice

Which of the following would be the least progressive method for quality assurance?

• Inspection of lots before/after production

• Inspection and correction action during production

• quality built into the process

Multiple Choice

Which of the following is NOT one of the 4 steps of quality control system design?

• identify critical point for inspection and testing

• decide on the type of measurement

• decide who should do inspection

• identify which product meet standards

Multiple Choice

A common (random) cause variation is within 3 standard deviations of mean.

A common (random) cause variation can be identified and corrected.

• True

  True

• True

  False

• False

  True

• False

  False

Multiple Choice

Which is more commonly used C_p or C_pk?

• C_p

• C_pk

• Both are used equally

Multiple Select

Select the inventory type(s) that is acceptable for a company:

• Safety Stock

• Cycle Inventory

• Anticipation Inventory

• Excess Inventory

• Pipeline Inventory

Multiple Select

Identify the 4 costs of inventory

• Item Cost

• Development Cost

• Ordering (setup) Cost

• Carrying (holding) Cost

• Stockout Cost

Multiple Choice

EOQ answers the question, "How much should we order?".

EOQ seeks to minimize total cost.

• True

  True

• True

  False

• False

  True

• False

  False

Multiple Choice

Q system brings inventory to a target level & is checked on a fixed interval.

P system inventory is checked each time there is demand and places an order if below reorder point.

• True

  True

• True

  False

• False

  True

• False

  False

Multiple Choice

The purpose of ABC inventory is to set effort priorities to manage different SKUs.

• True

• False

Multiple Choice

With Batch scheduling, customers/jobs spend most of the time:

• waiting

• being processed

• moving

• shipping

Multiple Choice

with regards to batch scheduling:

Performance is highly sequence dependent.

Finding optimal schedules is challenging, but good heuristics are available.

• True

  True

• True

  False

• False

  True

• False

  False

Multiple Choice

The bottleneck determines the inventory of the system.

Ops manager should focus on the bottleneck to increase capacity.

• True

  True

• True

  False

• False

  True

• False

  False

Multiple Select

Which of the following is a dispatching rule

• first come, first served

• priority rule

• preemptive rule

• critical ratio

• shortest process time