POM Exam 2 Questions and Answers5
In the context of forecasting errors, _____ eliminates the measurement scale factor. - ANSWERS
-mean absolute percentage error
Moving average (MA) methods work best when: - ANSWERS -demand is relatively stable and
consistent
Alex, a manager at Symbic Inc., plotted the company's total energy costs of 1 billion dollars over
the past 10 years on a chart. The chart suggested that the energy costs appear to be increasing
in a fairly predictable linear fashion and that the energy costs are related to time by a linear
function Y=3+5t where Y represents the estimate of the energy cost in year t. Given the
equation, which of the following is the value of the intercept of the straight line that best fits
the time series? - ANSWERS -3
A__________is a symbol used in process maps to denote an input or arrival into a process. -
ANSWERS -A double-headed arrow
In a process design, a__________is a specific unit of work required to create an output. -
ANSWERS -Task
Which of the following is a difference between flow shops and job shops? - ANSWERS -Job
shops require frequent machine changeovers and delays.
An automobile emissions testing center has three inspectors and tests 35 vehicles per hour.
What should the service rate be in order to achieve a target utilization of 95 percent? -
ANSWERS -more than 10 but less than or equal to 15 vehicles per hour
, The average number of hotel rooms occupied per day during the month of March is 225. On
average, each room is booked for 2.5 days. What is the average number of new bookings that
occur per day? - ANSWERS -more than 50 but less than or equal to 100 rooms per day
An accounting firm is capable of processing 20 income tax forms per day. The average number
of forms in various stages of processing at any one time in the firm is 64. What is the average
processing time per income tax form? - ANSWERS -more than 3 but less than or equal to 4 days
A car rental company at a major airport on an average rents 70 percent of its fleet of 200 cars
per day. The cars are rented for an average of 4 days. What is the average number of rentals
processed per day? - ANSWERS -more than 10 but less than or equal to 50 cars per day
An automobile emissions testing center has six inspectors and tests 50 vehicles per hour. Each
inspector can inspect 12 vehicles per hour. How many inspectors would the center require to
have a target utilization of 90 percent? - ANSWERS -5
The objective of assembly-line balancing is to: - ANSWERS -minimize the imbalance among
workstations while trying to achieve a desired output rate.
Identify the most suitable layout for a facility that handles a wide variety of customized orders. -
ANSWERS -a process layout
One of the disadvantages of a product layout is that it has: - ANSWERS -low flexibility
FancyTrends Inc., a handbag manufacturing company, assembles handbags in an assembly line
using 10 workstations. The target output for an 8 hour workday is 120 bags. The sum of the task
times is 30 minutes/bag. The cycle time is 4 minutes/bag. The assembly-line efficiency is _____.
- ANSWERS -75%__
__________usually require a high level of planning and control compared with other types of
facility layouts. - ANSWERS -Fixed-position layouts
In the context of forecasting errors, _____ eliminates the measurement scale factor. - ANSWERS
-mean absolute percentage error
Moving average (MA) methods work best when: - ANSWERS -demand is relatively stable and
consistent
Alex, a manager at Symbic Inc., plotted the company's total energy costs of 1 billion dollars over
the past 10 years on a chart. The chart suggested that the energy costs appear to be increasing
in a fairly predictable linear fashion and that the energy costs are related to time by a linear
function Y=3+5t where Y represents the estimate of the energy cost in year t. Given the
equation, which of the following is the value of the intercept of the straight line that best fits
the time series? - ANSWERS -3
A__________is a symbol used in process maps to denote an input or arrival into a process. -
ANSWERS -A double-headed arrow
In a process design, a__________is a specific unit of work required to create an output. -
ANSWERS -Task
Which of the following is a difference between flow shops and job shops? - ANSWERS -Job
shops require frequent machine changeovers and delays.
An automobile emissions testing center has three inspectors and tests 35 vehicles per hour.
What should the service rate be in order to achieve a target utilization of 95 percent? -
ANSWERS -more than 10 but less than or equal to 15 vehicles per hour
, The average number of hotel rooms occupied per day during the month of March is 225. On
average, each room is booked for 2.5 days. What is the average number of new bookings that
occur per day? - ANSWERS -more than 50 but less than or equal to 100 rooms per day
An accounting firm is capable of processing 20 income tax forms per day. The average number
of forms in various stages of processing at any one time in the firm is 64. What is the average
processing time per income tax form? - ANSWERS -more than 3 but less than or equal to 4 days
A car rental company at a major airport on an average rents 70 percent of its fleet of 200 cars
per day. The cars are rented for an average of 4 days. What is the average number of rentals
processed per day? - ANSWERS -more than 10 but less than or equal to 50 cars per day
An automobile emissions testing center has six inspectors and tests 50 vehicles per hour. Each
inspector can inspect 12 vehicles per hour. How many inspectors would the center require to
have a target utilization of 90 percent? - ANSWERS -5
The objective of assembly-line balancing is to: - ANSWERS -minimize the imbalance among
workstations while trying to achieve a desired output rate.
Identify the most suitable layout for a facility that handles a wide variety of customized orders. -
ANSWERS -a process layout
One of the disadvantages of a product layout is that it has: - ANSWERS -low flexibility
FancyTrends Inc., a handbag manufacturing company, assembles handbags in an assembly line
using 10 workstations. The target output for an 8 hour workday is 120 bags. The sum of the task
times is 30 minutes/bag. The cycle time is 4 minutes/bag. The assembly-line efficiency is _____.
- ANSWERS -75%__
__________usually require a high level of planning and control compared with other types of
facility layouts. - ANSWERS -Fixed-position layouts
