SB Chapter 3

capacity

3.2 Process ____ determines the maximum flow rate a process can provide per unit of time.

demand

3.4 If the utilization of the bottleneck is less than 100% then the process is ____-constrained.

demand

3.4 The bottleneck will have utilization that is less than 100% when the process is ____ constrained.

bottleneck

3.4 To increase the capacity of a process one must increase the capacity of the resource that is the ____.

downstream

A ____ resource is a customer of the upstream portion of a process.

b. False

3.1 True or false: Process analysis is only applicable to manufacturing settings. a. True b. False

d. Triangle

3.1 What shape is used to represent flow units waiting in a system (buffer inventory)? a. Rectangle b. Square c. Circle d. Triangle

Resources, boxes

3.1 ____ are shown as rectangular ____ in the process flow diagram.

Resources

3.1 ____ help the flow units to move from being a unit of input to becoming a unit of output.

Inventory

3.1 ____ is a mismatch between supply and demand.

a. customers/minute

3.2 An appropriate unit for capacity of a resource is ____. a. customers/minute b. minutes c. customers

processing

3.2 The ____ time of a resource is how long that particular resource takes to complete one flow unit.

a. Minutes/burger, c. Seconds/customer

3.2 Which could be an appropriate unit for a processing time? (select all that apply) a. Minutes/burger b. Minutes c. Seconds/customer d. Seconds

a. seconds/customers and d. minutes/burgers ( Cycle time = 1/Flow time )

3.3 An appropriate unit for cycle time is ____. (Select all that apply.) a. seconds/customer b. minutes c. seconds d. minutes/burger

b. customers/minute and d. burgers/second ( Flow rate is the same as throughput )

3.3 An appropriate unit for throughput is ____. (Select all that apply.) a. customers b. customers/minute c. seconds d. burgers/second

b. less than, c. equal to

3.3 Flow rate can be ____ process capacity. a. greater than b. less than c. equal to

c. decrease

3.3 From Little's Law we see that if cycle time increases while flow time stayed the same then inventory must ____. a. stay the same b. increase c. decrease

capacity

3.3 If process capacity is 60 units per hour and customers desire 80 units per hour then the process is ____ constrained.

b. It will decrease

3.3 Imagine a capacity constrained, single resource process with multiple employees working at the single resource. If the number of employees increases then what will happen to the cycle time for the process? a. It will stay the same b. It will decrease c. It will increase

demand rate

3.3 The ____ ____ is the number of flow units that customers want per unit of time.

b. False ( If process is demand constrained then flow rate will be less than capacity. )

3.3 True or false: A process that is demand constrained can have utilization of 100% a. True b. False

b. False

3.3 True or false: If the capacity at a resource with multiple employees went up then the processing time definitely decreased. a. True b. False

a. False

3.3 True or false: Utilization can be greater than 100% a. False b. True

b. lowest

3.4 The bottleneck in a process is the resource with the ____ capacity. a. greatest b. lowest

a. decrease ( Time to finish X units starting with an empty system = Time through an empty process + [(X - 1) x Cycle time] )

3.5 If the flow time for a process goes down then the time to finish X units starting with empty inventory buffers will ____. a. decrease b. stay the same c. increase

b. longer ( Time through an empty machine-paced process = # of stations x cycle time )

3.5 The more stations in a process, the ____ the time the first flow unit needs to flow through the system when it is empty. a. shorter b. longer

b. False

3.5 True or false: In a worker-paced line each worker always works at the same rate. a. True b. False

b. both where a flow unit is processed and where it is held in inventory.

A process flow diagram indicates a. where a flow unit is held in inventory. b. both where flow unit is processed and where it is held in inventory. c. where a flow unit is processed.

b. increase

If the cycle time increases, but no new resources are added to the process, then the time needed to serve 100 customers will ____. a. stay the same b. increase c. decrease

upstream, downstream

My own We refer to the beginning of the flow as the ____ of the process and the end of the process as the ____.

a. describe

3.1 A process flow diagram is a graphical way to ____ the process. a. describe b. develop c. design

upstream

3.1 A(n) ____ resource is a supplier of the downstream portion of a process.

buffer

3.1 Flow units waiting in the process without being worked on are often referred to as ____ inventory.

rigorous

3.1 Process analysis is a ____ framework for understanding the detailed operations of a business.

a. True

3.1 True or false: A process flow diagram outlines a directional flow in the process. a. True b. False

b. increase the capacity of the bottleneck resource regardless of where it is located in the process

3.4 To increase the capacity of a process one should ____. a. increase the capacity of the last resource in the process so flow units can exit the process more quickly b. increase the capacity of the bottleneck resource regardless of where it is located in the process c. increase the capacity of the first resource in the process because then flow units can get to the second resource more quickly

a. decrease ( Time to make Q units = Cycle time x Q(units) )

3.5 An organization that wants to fulfill customers orders more quickly should make the cycle time of their fulfillment process ____. a. decrease b. increase c. stay the same

b. True

3.5 True or false: In a machine-paced line each worker always works at the same rate. a. False b. True

b. after

A resource will have idle time when it comes ____ the bottleneck in the process. a. before b. after

inventory

Flow units waiting in the process without being worked on are often referred to as buffer ____.

capacity

For a process that is ____ constrained the bottleneck resource will have 100% utilization.

b. It will go down

If inventory goes up but flow times stays constant what will happen to cycle time? a. It will go up b. It will go down c. It will stay the same

c. decreases

If processing time increases, then the capacity at a resource with a single employee ____. a. increases b. stays the same c. decreases

c. decrease

If the cycle time for a process goes down then the time to finish X units starting with empty inventory buffers will ____. a. stay the same b. increase c. decrease

input, output

Resources help the flow units to move from bing a unit of ____ to a unit of ____.

b. longer

The more stations in a process, the ___ the time the first flow unit needs to flow through the system when it is empty. a. shorter b. longer

a. True ( If the process is supply constrained then the flow rate will equal capacity. )

True or false: A process that is supply constrained can have utilization of 100%. a. True b. False

b. False ( Capacity is also determined by the number of employees working at the resource. )

True or false: The bottleneck is the resource with the longest processing time. a. True b. False

a. False ( Flow rate should be no greater than the demand rate. )

True or false: The flow rate for a process can be greater than the demand rate. a. False b. True

b. False

True or false: The utilization of a non-bottleneck resource can be greater than that of the bottleneck. a. True b. False

capacity

Unknown When the flow rate is less than the demand rate the process is referred to as ____-constrained.

b. Box

What shape is used to represent resources in a process flow diagram? a. Circle b. Box c. Triangle d. Polygon

c. Cars per day

Which could be an appropriate unit for a demand rate? a. Cars b. Days c. Cars per day d. Hamburgers