Operations Management Midterm 2023

McDonald's distinctive competence has changed over time from continuous improvement of the transformation system and brand to the unique service and supply chain transformation system.

false

Most batch and job shop operations have throughput ratios of 90 to 100%

false

Process "capability" means the ability to produce at high throughput

false

SERVQUAL is widely used in practice to measure manufacturing operations such as production and assembling processes.

false

Six Sigma efforts are aimed at eliminating waste.

false

Surveys indicate that p charts are used more frequently than average (mean) and range charts are used.

false

The central tendency (mean) of the process is the only information needed to determine if the process is in a state of control.

false

The quality tool that shows the relationship between two variables is a histogram.

false

The simplest way to think about throughput is the quantity of work completed.

false

Throughput, sometimes referred to as output rate, is expressed in units produced per hour

false

With the technology push view of new product introduction, technology and the market equally determine which products a firm should make.

false

attribute control occurs when the product characteristic is measured on a continuous scale.

false

job shop operations typically use special-purpose equipment.

false

market pull is the best way to introduce new products.

false

the first step in quality function development is to determine the customer attributes. the second step in QFD is to translate the customer attributes into target values.

false

If a company uses three parts in a product, each with a yield of 50%, the overall rolled-yield will equal 50%

false =o.5 x 0.5 x 0.5= 0.125 or 12.5%

Little's Law states there is a relationship between:

inventory, flow time & throughput

Total Quality Management:

is managed proactively & focuses on the customer

A low-volume process that produces customized products is called a:

job shop

A type of process that creates one of a kind products is:

job shop & project

Doctor's office

job shop & project

What can managers do with queuing theory?

measure and predict performance

What is the difference between the terms "production management" and "operations management"?

operations management is a broader, more recent term than production management, encompassing service organizations as well as manufacturing

what is the difference between operations management and supply chain management?

operations management is focused on decisions to manage the transformation process that converts inputs into desired finished goods or services

Which of these statements is true?

the key to mass customization is postponement & postponement depends upon the use of standardization and modularization

The Cp measure of capability assumes which thing?

the production distribution is centered.

A corporate strategy drives the business strategy, which in turn drives the operations strategy in an organization.

true

A flowchart for high-contact services such as estate planning often reflects the customer's perspective of the process.

true

A line of visibility separates the parts of a service that come in direct contact with customers from those that do not.

true

A process will generally have at least on bottleneck

true

Changing the information gathered and used for managerial control of a process is a common result of process flowcharting.

true

ISO 9000 requires that a new product development process be defined and followed by a company.

true

If failure costs were very high, a company would still use inspection.

true

If one doesn't already exist, a cross-functional team should be created once management agrees to proceed with the new product development.

true

Imitative products have low profit margins and predictable demand

true

In an assemble-to-order operation, the order penetration point is after fabrication and before final assembly.

true

It is actually possible to postpone the point of differentiation outside of the factory and further down the supply chain

true

It is important to determine the quality of design even before producing the product.

true

Lean projects are usually simpler than Six Sigma projects.

true

Misalignments between operations and product design can occur in technology, infrastructure, reward systems and marketing.

true

Mixing a variety of products with different volumes and different levels of standardization leads to a lack of focus.

true

Only U.S. organizations can receive the Baldrige Award.

true

Process redesign tends to be cross-functional in nature and requires a complete overhaul of work methods, flows and information systems

true

Product design supports the business strategy.

true

Scrap and rework are examples of internal failure costs.

true

Six Sigma projects are typically managed by workers certified as black belts.

true

The Cp measure requires the process to be centered for an accurate measure of process capability

true

The Japanese term for mistake-proofing is "poka-yoke".

true

The business strategy can be derived from a firm's distinctive competence that is difficult for competitors to copy or imitate

true

The process view provides a basis for viewing an entire business as a system of interconnected processes

true

The total cost of quality in an organization is the sum of control costs and failure costs

true

The transformation view of the operations function provides a unified approach for studying the manufacturing and service industries

true

There are two indicators of a process shift- points outside the control limits and an upward or downward trend in the process average.

true

a control chart of any type answers the question, "is my process in control?"

true

a production process delivers an unexpectedly large amount of scrap products. Top management has discovered that improper machine maintenance is the reason behind this failure. The above statement is an example of a special cause of variation.

true

concurrent engineering works much better with product line extensions or products that serve familiar markets than entirely new products.

true

continuous processes and assembly lines are very efficient but have little flexibility

true

in process capability analysis, the standard deviation refers to the standard deviation of sample measures.

true

modular design offers new opportunities for product and process design.

true

the key performance measure of a make-to-order process is the lead-time

true

the seven tools of quality control are equally applicable to both manufacturing and service industries.

true

The Cpk measure uses which of the following as inputs?

upper specification limit, lower specification limit, three sigma & the average

Which of the following results in waiting lines?

variability

Suppose a car you want to buy has five choices for interior colors, three types of stereos, three engine choices, two battery types, 10 exterior colors, two transmission choices, and four types of wheel covers. How many possible combinations of the car are possible for the manufacturer?

7,200 (5x3x3x2x10x2x4)

Throughput is a ....?

Rate

Handoff points in cross-functional flowcharts are of particular importance to process analysis.

True

Each chart has which three components?

a center line representing the average, an upper line representing the maximum acceptable variation upwards & a lower line representing the maximum acceptable variation downwards.

Throughput is generally equal to which thing?

arrival rate

automatic car wash

assembly line

registration for classes

assembly line

college curriculum

assembly line, batch and project

What is the proper role of the operations function in product design?

concept development, product design, and pilot productoin/testing phases

electric utility

continuous

If you maintain inventory at a constant level and keep the throughput rate constant:

customer delivery dates become more reliable

Which of the these is not a cost of quality?

design cost

"Queuing" means the scientific study of the use of the letter Q in the English language.

false

A process view emphasizes that it is important for a business to function as independent silos.

false

A supplier who guarantees 100% conforming parts to customers even though production yield at their plant is only 60% is a good candidate for supplier certification.

false

An assembly line process requires high labor skills and high pay

false

Availability refers to the length of time a product can be used before it fails.

false

Based on the characteristics of your product, you might adopt a make-to-stock strategy or a make-to-order strategy.

false

Design for Six Sigma programs offer a set of quality standards accepted by all industries

false

Flowcharting requires Microsoft Visio or similar flowcharting software.

false

ISO 9000 standards guarantee that a product or service has no defects.

false

Ideally, process design occurs immediately after the product is designed.

false

If there are multiple resources that process each transaction, then the process capacity is the sum of all the individual capacities of the resources

false

In a batch operation, each product must have the same flow path and must pass through all of the same work centers.

false

In a make-to-stock operation, the order penetration point is after fabrication and before final assembly

false

In an assemble-to-order process, the sub-assemblies are made-to-order, while final assembly is made-to-stock.

false

In process flowcharting it is most important to depict the process as it is supposed to work or as it was originally designed to work.

false

Lean is another term for Six Sigma process improvement.

false

Mass customization uses a make-to-stock process

false

studying for an exam

project

Beginning production based on a forecast of customer demand is called a ____strategy.

push

The R chart focuses on which performance measure?

range

Which of the following are the components of a queuing system?

servers, waiting area & arrivals