OPMA 3306 CH 6 MANUFACTURING PROCESSES

A framework depicting when the different production process types are typically used depending on volume and standardization is known as

Product-process matrix

In which production system does the product remain in one place while resources (such as workers or equipment) travel to the product when needed?

Project layout

Which layout format is utilized when a relatively low number of units will be produced?

Project layout

T/F: Carrying finished goods inventory is more expensive than carrying raw material inventory.

True

The ________ relationship describes the order in which tasks must be completed.

precedence

Lead time is the time needed to respond to a customer _____.

order

Which of the following equations is correct for calculating the required workstation cycle time? -(Production time per day)/(Sum of task times) -(Sum of task times)/(Required output per day) -(Production time per day)/(Required output per day) -Required output per day)/(Production time per day)

-(Production time per day) / (Required output per day)

Identify the true statements about assembly-line and continuous process layouts.

-Often, the item being produced in a continuous process is a liquid or chemical that actually flows through the system. -In a continuous process, a product moves continuously through the process. -In an assembly line, a product goes through a progressive set of steps.

Which of the following is not a way to reduce the required time for a task? -Product redesign -Use a less skilled worker -Work overtime -Share the task among several workstations

-Use a less skilled worker

Rank the production process layouts from lowest-to highest-volume (top to bottom)

1. Project 2. Workcenter 3. Manufacturing Cell 4. Assembly line

Sort the steps associated with making a product into their order (from first to last).

1. Sourcing 2. Making 3. Delivery

A computer manufacturer offers 3 types of hard disk drives, 2 types of monitor, 4 types of battery and 5 choices of operating system. How many total combinations are possible using these choices?

120 (3*2*4*5 = 120)

There are _____ dimensions depicted on a product-process matrix.

2

Last year a firm had an inventory of $1,500,000 and the cost of goods sold was $3,750,000. What was the inventory turn last year?

2.5 (Cost of goods sold-$3,750,000 / Average Inventory Value-$1,500,000)

Workcenters with large amounts of interdepartmental traffic are often placed

Adjacent to each other

Firms that combine a number of preassembled modules to meet customer's specification are called

Assemble-to-order

The point in the supply chain where inventory is positioned to allow the preceding processes to operate independently is the

Customer order decoupling point

T/F: The total work at a workstation is equal to the sum of all tasks to complete a product.

False

Which of the following is not one of the five basic work flow structures? Project Assembly line Workcenter Flowline

Flowline

The long-term relationship between inventory, throughput, and flow time is described by _________ law.

Little's

Firms that make the customer's product from raw materials, parts, and components are called:

Make-to-order

Firms that service customers from finished goods inventory are known as which of the following:

Make-to-stock

The issue of balancing the level of finished inventory against the level of service to the customer occurs in which type of firm?

Make-to-stock

Which layout allocated dissimilar machines into cells to work on products that have similar shapes and processing requirements?

Manufacturing cell layout

Total average value of inventory

Sum of raw material, work-in-process, and finished goods inventory

A production process map is built by

Tracking the flow of material through the system

The time between successive units coming off the end of an assembly line is referred to as:

Workstation cycle time

A manufacturing cell is generally made up of _____ machines.

dissimilar

A _____ line layout can increase opportunities for work sharing among workstations in an assembly line.

flexible

The practice of achieving high levels of customer service with minimal inventory investment is known as _____ manufacturing.

lean

A _____ _____ layout groups dissimilar machines to work on products that have similar processing requirements.

manufacturing cell

If inventory turn is known, days-of-supply is calculated by

multiplying the inverse of inventory turn by 365 days

A map showing the flow of materials through a manufacturing system is known as a _____ ______ map.

production process

To determine the required workstation cycle time, an analyst needs to know the _____ _____ per day and the required _____ per day (in units).

production time output C= Production time per day/Required output per day (in units)

In a _____ layout machines are grouped according to type or function and parts travel to the appropriate location for processing.

workcenter

Days-of-supply

Average Inventory/Cost of goods sold x 365

Inventory Turn

Cost of goods sold/Average inventory

T/F: Manufacturing processes are used to make tangible goods.

True

T/F: The customer order decoupling point is where inventory is positioned in the supply chain.

True

The efficiency of an assembly-line balance must always be less than or equal to _____.

one.

The calculated theoretical number of workstations should be

rounded up to the next highest integer