IPA HW Q's
An example of an internal failure cost would be warranty cost. Answer: TRUE/FALSE
false
Appraisal costs are associated with preventing defects before they happen. Answer: TRUE/FALSE
false
From an ethical standpoint, it is acceptable for a hospital's cardiac surgery unit that is striving for zero complications to turn down high-risk patients. Answer: TRUE/FALSE
false
critical path is the __ path of activities
longest
Scope creep is one of the primary causes of project failure. Answer: TRUE/FALSE
true
Activity times for a project are estimated by all but which of the following methods? A) the use of dowsing rods. B) managerial opinions based on similar prior experiences C) statistical methods based on actual past experience D) estimates using learning curve models to improve replications and estimate accuracy
A
A hotel tracks the number of complaints per month. When the process is in control, there is an average of 35 complaints per month. Assume that a 2-sigma control limit is used. The next four months have 33, 27, 29, and 43 complaints. What should management do? A) Look for assignable causes because the process is in control. B) Look for assignable causes because the process is out of control. C) Look for common causes because the process is out of control. D) Do nothing; the process is in control.
C
Regarding the Eight Types of Waste that must be eliminated to implement lean systems, using expensive high precision equipment when a simpler machine would suffice is part of which general waste category? A) Motion B) Overproduction C) Inappropriate Processing
C
In a lean system, an item that is manufactured before it is needed is not considered waste, because it helps keep material flowing through the system. Answer: TRUE/FALSE
False
In a lean system, large inventories are not considered a type of waste, because they prevent operator wait times. Answer: TRUE/FALSE
False
In a lean system, the key to continuous improvement is the understanding that excess capacity or inventory hides problems on the shop floor and thus prevents waste sources from being identified and eliminated. Answer: TRUE/FALSE
True
In lean systems, work-in-process inventory is a direct result of overproduction and waiting. Answer: TRUE/FALSE
True
In manufacturing systems, one way to achieve continuous improvement can be to maintain low inventories, and periodically cut safety stocks almost to zero. Answer: TRUE/FALSE
True
Long production runs, poor material flows, and processes that are not tightly linked to one another can cause over 90% of a product's lead time to be spent waiting. Answer: TRUE/FALSE
True
The investment a company makes in training employees to perform their duties and redesigning products and processes to improve them would be categorized as prevention costs. Answer: TRUE/FALSE
True
The just-in-time (JIT) philosophy is the belief that cutting inventory and removing non-value-added activities in operations can eliminate waste. Answer: TRUE/FALSE
True
The ________ is a statement of all work that has to be completed.
WBS
Which of the following statements is TRUE with regard to the eight types of waste that must be eliminated to implement lean systems? A) Jobs with excessive motion should be redesigned. B) Work-in-process inventory is the direct result of underutilization of employees. C) Manufacturing an item before it is needed helps an organization detect and reduce defects. D) Product damage and deterioration result from using expensive high precision equipment.
A
In a network diagram, an activity: A) is the largest unit of work effort consuming both time and resources that a project manager can schedule and control. B) is the smallest unit of work effort consuming both time and resources that a project manager can schedule and control. C) should always be something the company has had experience with. D) must always have a single, precise estimate for the time duration.
B
Regarding the Eight Types of Waste that must be eliminated to implement lean systems, excessive movement and material handling of product between processes is part of which general waste category? A) Motion B) Transportation C) Inappropriate Processing D) Underutilization of Employees
B
The just-in-time (JIT) system is a(n): A) management system of people and procedures to fulfill all delivery deadlines. B) production system of small-lot manufacturing to reduce work-in-process inventory. C) materials management system for removing all inventories. D) integrated system of managing resources, information, and decision processes to eliminate waste.
D