[Chapter 4] Process Improvement
[T/F] Average labor utilization can be greater than 100%
False
Which are appropriate expressions of takt time?
How many seconds it takes to make a burger, how many minutes are spent with a customer
What is true about line balancing without having to observe a fixed sequence?
It lowers the costs of direct labor
Which is the most accurate measure of labor content?
The amount of time it takes to serve one customer.
Which of the following contribute to labor content?
The time a worker works on the flow unit, the time a worker spends inspecting a flow unit
What is the goal of determining takt time?
To meet demand rate as closely as possible
The calculation of labor content requires ______ all of the processing times for serving one flow unit
adding
What term describes the relationship between the flow rate and the capacity of each labor resource that works in a process?
average labor utilization
The amount of work that goes into serving one customer is called labor
content
When wages per unit of time go up but flow rate stays the same, what happens to the costs of direct labor?
costs increase
Costs of direct labor measure the labor cost associated with serving one
customer (consumer)
Being able to line balance without having to observe a fixed sequence will _______ costs of direct labor
decrease
To increase profit a firm can do the following
decrease average cost, increase flow rate, increase average price
When the takt time increases, the demand rate must have ___.
decreased
If the cycle time increases--and everything else remains constant--average labor utilization ______
decreases
Takt time depends on ________
demand
Takt time is solely driven by the rate of
demand
The labor cost associated with serving one customer is called the costs of _________ labor
direct
Average labor utilization equals labor content ______ (cycle time multiplied by number of employees)
divided by
To satisfy all demand we want cycle time to be _______ takt time
equal to
If the activities have to be carried out in a given order they are said to have a ______ sequence
fixed
The longer the processing time at a resource, the ______ the target manpower for a desired capacity
greater
A process that is efficient is one where labor utilization is as ______ as possible
high
The higher the desired capacity at a resource, the ______ the target manpower
higher
The time a resource is paid but not working is referred to as ______ time
idle
As idle time goes up, the costs of direct labor ________
increase
If flow rate goes up then profit will _________.
increase
When takt time is less than cycle time target, manpower should ________.
increase
When labor content goes up, target manpower ________
increases
When takt time goes up, target manpower ________
increases
What happens to takt time as the demand rate increases?
it decreases
What happens to the takt time when available time goes up?
it increases
What happens to the takt time when the demand quantity goes down?
it increases
What happens to total idle time if the number of employees increases while all other factors remain the same?
it increases
When you increase the flow rate of a process while keeping the number of resources used the same, what happens to the efficiency of the process?
it increases
Setting an expected demand rate for a given period of time is referred to as ______ the demand
leveling
The more a resource is idle the ____ its utilization
lower
When there is a fixed sequence of activities, labor utilization is typically ______ than when there is no fixed sequence
lower
Which is the best description of labor utilization?
measure of efficiency
If takt time is less than cycle time then we are ______ demand
not satisfying all
What general term describes a number of improvement strategies in which work is moved away from the bottleneck step?
off-loading the bottleneck
What term is used to describe a strategy that offloads a bottleneck by having some of the work done elsewhere?
outsourcing
What factor is subtracted from cycle time in order to figure out how much idle time exists in production?
processing time
In order to set a staffing level, leveled demand is turned into a ______ time
takt
When quantity demanded goes up, ________.
takt time decreases, target manpower increases
When flow rate goes up but wages per unit of time stay the same, how are costs of direct labor affected?
the costs decrease
Consider two processes that produce the same output with the same amount of resources. Which one is more efficient?
the one with the higher flow rate
______ ______ time is the amount of idle time per flow unit added up across all resources
total idle
[T/F] To calculate total idle time, one must know the amount of idle time per flow unit
true
[T/F] When staffing to meet demand yields a process with idle time, the staffing level will be higher than the target manpower
true