OPM 101 Exam 1
A food-truck can make 20 meals/hour. The demand rate is 15 meals/hour. What is the flow rate?
15 meals/hour.
The process capacity determines the ______ a process can provide per unit of time.
Maximum flow rate.
The capacity of a resource determines the ______ number of flow units that can flow through that resource per unit of time.
Maximum.
A customer's desire for a product or service is measured by its
Utility
Which of the following statements is TRUE?
Utilization of a resource is at its maximum when the flow rate is equal to its capacity.
Which of the following is NOT one of the eight sources of waste?
Waste of management time.
Leftover bread that is not sold at a bakery is an example of
Waste.
The purpose of process analysis is to improve a process.
True.
A help desk can answer 200 calls per hour. The demand rate is 250 calls per hour. What are the cycle time (in minutes per call) and utilization of the call center?
0.3 , 1
C&A's potato chip filling process has a lower specification limit of 9.5 oz. and an upper specification limit of 10.5 oz. The standard deviation is 0.3 oz. and the mean is 10 oz. What is the process capability index for the chip filling process?
0.56
What is the bank's process capacity (in customers per time)? A bank has three tellers. It takes a teller 6 minutes to serve one customer. What is the capacity of the bank in customers per hour?
0.8
A fast-food company is preparing beef patties for their burgers. The lower specification limit for the burger is 240 grams and the upper specification limit is 260 grams. The standard deviation is 4 grams and the mean is 250 grams. What is the process capability index for the beef patty production?
0.833
What is the maximum utilization a resource can achieve?
1.00
C&A Bakery serves 100 customers through an 8-hour day. What is the flow rate per hour?
12.5
A patient leaves an outpatient clinic every 5 minutes. There are 5 patients in the clinic waiting to be seen by the physician. How long will a patient be in the clinic?
25 minutes.
It takes a dentist 20 minutes to see one patient. What is the capacity of the dentist?
3 patients per hour.
Which of the following is an example of waste of worker intellect?
Discounting process improvement ideas from workers.
Patients are arriving at a clinic at a rate of two per minute. Each patient's visit consists of four steps: check in, record vital signs, receive treatment, and check out. A receptionist takes 1 minute to check a patient in. A nurse takes 2 minutes to record the patient's vital signs. A doctor spends 10 minutes with a patient. A staff member takes 3 minutes to check a patient out. What is the process capacity in patients per hour?
6
Job candidates are leaving an office every 50 minutes. Each candidate goes through three activities during the office visit: verification, written test, and interview. Verification takes 1 minute, the written test takes 40 minutes, and the interview takes 10 minutes. Assume there is only one resource dedicated to each activity. What is the utilization of the bottleneck resource?
80%
Which statement is FALSE?
A bottleneck resource must have a utilization of 100%.
Which of the following statements about a firm's capabilities is FALSE?
A firm has capabilities to do well on all dimensions of its customers' utility function.
Which of the following statements is TRUE about capability analysis?
A higher process capability index means the process has lower defect probability.
Which of the following is a definition of the term "process"?
A set of activities that transforms a collection of inputs into outputs.
Costs a company incurs for assessing its quality levels are called
Appraisal costs.
A control chart is used to identify _______ of a process.
Assigned causes of variation.
Guests are arriving at a party at a rate of 12 per minute. Each guest will be checked in, served a drink, and accompanied to his/her table by one receptionist, one bartender, and one usher respectively. Both the receptionist and usher can serve 10 guests per minute, whereas the bartender takes 5 minutes to serve one guest. Which resource is the bottleneck and what is the process capacity in guests per minute?
Bartender, 0.2
Activities are shown in the process diagram as
Boxes.
Customers are driving away after failing to find a place to park at the mall. The process is
Capacity constrained.
Which of the following is another name for the fishbone diagram?
Cause-effect diagram.
Which of the following is NOT a component of worker time on the job?
Commuting.
Which of the following is NOT a core idea of total quality management?
Cost reduction.
Which of the following is one of the principles of total quality management?
Customer focused Continuous improvement Quality assurance
Utility is composed of the following components EXCEPT:
Customer loyalty.
The set of products or services customers want is called
Demand.
The goal of lean is to ______ from the system.
Eliminate waste
The goal of lean is to _____ from the system.
Eliminate waste.
What is NOT a key process metric?
Flow unit.
Costs incurred by defects that occur prior to delivery to the customer are called
Internal failure costs.
Little's Law relates inventory, flow rate, and flow time as
Inventory = Flow rate * Flow time.
The capacity of a nonbottleneck resource is ______ the capacity of the process.
Larger than.
The core objective in six sigma is to reduce variation in processes.
True.
Which dimension of the customer utility function is emphasized with a restaurant's slogan, "Eat Fresh"?
Performance.
A graphical representation of a process is called a
Process flow diagram.
The _____ of a resource is how long that particular resource takes to complete one flow unit.
Processing time.
The ______ of a resource is how long that resource takes to complete one flow unit.
Processing time.
Which of the following is a means to counter overproduction?
Produce at the volume of actual demand.
A kanban system ______ work through the process based on ______.
Pulls, demand.
Which of the following is NOT an element of the Toyota Production System?
Scientific management.
Which of the following is an example of value-added work?
Taking orders from customers.
An example of a flow unit at a fast-food restaurant is
The customers.
Which of the following is the Pareto principle?
The majority of problems can be explained by a few root causes.
Job candidates are leaving an office every 50 minutes. Each candidate goes through three activities during the office visit: verification, written test, and interview. Verification takes 1 minute, the written test takes 40 minutes, and the interview takes 10 minutes. Assume there is only one resource dedicated to each activity. Which of the following conclusions can be drawn?
The process is demand restrained.
A process scope is
The set of activities involved in the process.
Flow time tells us
The time a flow unit spends in the process.
A restaurant promising a meal in two minutes or less attempts to cater to which part of the customer utility function?
Timing.
Which of the following terms is interchangeable with "lean"?
Toyota Production System
Which of the following terms is interchangeable with "lean"?
Toyota Production System.
Lean was started as
Toyota wanted to emulate Ford's efficiencies without huge inventory build-up it saw at Ford.
Which of the following is not a dimension of quality?
Traceability
Which of the following is not a dimension of quality?
Traceability.
Inventory is shown as ______ in a process flow diagram.
Triangles.
Supply is a set of products or services a business offers to its customers.
True
A bottleneck is the resource with the lowest capacity.
True.
A worker moving inventory from one machine to another is considered non-value-added work.
True.
The Uberpool approach to ridesharing is an application of lean principles.
True.