Question: The major decision variables in equipment selection are:
Flexibility
Labor requirements
Manufacturer
Both A and B
Both B and C
Both A, B and C
Question: The last stage in the operations consulting process is:
Presenting final report
Implementing changes
Assuring client satisfaction
Assembling learning from the stage
None of the above
Question: The category given the maximum point value in the Baldrige award is:
Strategic planning
Customer and market focus
Business results
Process management
Human resource focus
Question: ABC is considering opening a drive-through window for customer service. Management estimates that customers will arrive at the rate of 10 per hour. The teller who will staff the window can service customers at the rate of one every four minutes. Assume Poisson arrivals and exponential service. The average number in the system is:
3
2
1
0
4
Question: Which of the following statements is not true about six-sigma quality?
six-sigma results in less than 3.4 ppm defects
six-sigma is equivalent to a process capability of Cpk = 2.0 when the process is centered
six-sigma corresponds to design tolerances that are + 3 standard deviations on either side of the mean
Motorola invented the term "six-sigma quality" in the mid-80s.
All the above statements are true
Question: Which of the following most closely describes net material requirements?
gross requirements - planned order receipts
gross requirements - planned order releases
gross requirements - on-hand + planned order receipts
gross requirements - on-hand - planned order receipts
none of the above
Question: Which of the following is not an element of a good service guarantee?
Unconditional
Easy to understand and communicate
Painless to invoke
Ensures the firm makes a profit
Meaningful to the customer
Question: The basic difference between product and process layout pertains to:
Product mix
Equipment used
Pattern of workflow
Line configuration
Batch size
Question: Which MRP system input element specifies how many and when the firm plans to build each end item?
Capacity planning
Bills of material
Inventory records file
Master production schedule
none of the above
Question: The advantage(s) of work sampling compared to time study include all the following EXCEPT:
No timing devices are required
Work of long cycle time may be studied with a fewer observer hours
The study may be temporarily delayed at any time with little effect
Several work-studies may be conducted simultaneously by one observer
Provides a complete breakdown of elements
Question: When you have a bell-shaped curve, none of the five M’s or one P are:
Bell shaped curve and 5m's and one p
Causing variation
Influencing or affecting the process in any way
Acting in a random fashion
Unduly influencing the process
Question: The peak of the bell-shaped curve represents:
The standard deviation
Process sigma
The width or fatness of the shape of the distribution
The mean or average of the distribution
Question: The basic tools for shop-floor control include:
Dispatch list
An input/output control report
Various status and exception reports
A and B
B and C
A, B, and C
Question: The gross requirements of a given component part in an MRP system are determined from:
gross requirements of the immediate part
net requirements of end item
net requirements + on-hand
planned order releases of the end item
planned order releases of the immediate parents
Question: Which of the following is true about MRP Systems?
lot sizing is EOQ
order philosophy is replenishment
demand pattern is random
based on independent demand
objective is to meet manufacturing needs
Question: What should a histogram tell you?
I. Whether or not the data are normally distributed
II. Customer expectations
III. The dispersion
IV. The central tendency
I, III, and IV only
III and IV only
I and II only
I, II, III, and IV
What is an advantage of using a histogram over a stem-and-leaf?
What should a histogram tell you?
What should be included in a capability study?
A major drawback of using histograms to control a process is that histograms:
Flexibility
Labor requirements
Manufacturer
Both A and B
Both B and C
Both A, B and C
Show or Reveal the Answer
Both A and B
Key Points: Manufacturer (Choice C) is a factor to consider under decision variable initial investment.
Key Points: Manufacturer (Choice C) is a factor to consider under decision variable initial investment.
Question: The last stage in the operations consulting process is:
Presenting final report
Implementing changes
Assuring client satisfaction
Assembling learning from the stage
None of the above
Show or Reveal the Answer
Assembling learning from the stage
Key Points: Options A to C are stages 5 to 7 respectively. Option D is the 8th or last stage.
Key Points: Options A to C are stages 5 to 7 respectively. Option D is the 8th or last stage.
Question: The category given the maximum point value in the Baldrige award is:
Strategic planning
Customer and market focus
Business results
Process management
Human resource focus
Show or Reveal the Answer
Business results(450 points).
Key Points: The maximum point values for the other categories (A, B, D, and E) are 85.
Key Points: The maximum point values for the other categories (A, B, D, and E) are 85.
Question: ABC is considering opening a drive-through window for customer service. Management estimates that customers will arrive at the rate of 10 per hour. The teller who will staff the window can service customers at the rate of one every four minutes. Assume Poisson arrivals and exponential service. The average number in the system is:
3
2
1
0
4
Show or Reveal the Answer
2
Key Points: The computation is as follows: 10/(15-10) = 2 customers
Key Points: The computation is as follows: 10/(15-10) = 2 customers
Question: Which of the following statements is not true about six-sigma quality?
six-sigma results in less than 3.4 ppm defects
six-sigma is equivalent to a process capability of Cpk = 2.0 when the process is centered
six-sigma corresponds to design tolerances that are + 3 standard deviations on either side of the mean
Motorola invented the term "six-sigma quality" in the mid-80s.
All the above statements are true
Show or Reveal the Answer
six-sigma corresponds to design tolerances that are + 3 standard deviations on either side of the mean
Key Points: Six-sigma corresponds to a +6 (and not 3) standard deviations on either sides of the mean
Key Points: Six-sigma corresponds to a +6 (and not 3) standard deviations on either sides of the mean
Question: Which of the following most closely describes net material requirements?
gross requirements - planned order receipts
gross requirements - planned order releases
gross requirements - on-hand + planned order receipts
gross requirements - on-hand - planned order receipts
none of the above
Show or Reveal the Answer
gross requirements - on-hand - planned order receipts
Key Points: Net requirement = Gross requirement on-hand - planned order receipts
Key Points: Net requirement = Gross requirement on-hand - planned order receipts
Question: Which of the following is not an element of a good service guarantee?
Unconditional
Easy to understand and communicate
Painless to invoke
Ensures the firm makes a profit
Meaningful to the customer
Show or Reveal the Answer
Ensures the firm makes a profit
Question: The basic difference between product and process layout pertains to:
Product mix
Equipment used
Pattern of workflow
Line configuration
Batch size
Show or Reveal the Answer
Pattern of workflow
Key Points: The other options are also differences but the basic difference is the pattern of workflow.
Key Points: The other options are also differences but the basic difference is the pattern of workflow.
Question: Which MRP system input element specifies how many and when the firm plans to build each end item?
Capacity planning
Bills of material
Inventory records file
Master production schedule
none of the above
Show or Reveal the Answer
Master production schedule
Key Points: Inventory records files keep track of the status of inventory. A bill of materials contains the information to identify each item and the manner in which it is assembled because each identification signifies the component of the item. Capacity planning is not an input to an MRP system.
Key Points: Inventory records files keep track of the status of inventory. A bill of materials contains the information to identify each item and the manner in which it is assembled because each identification signifies the component of the item. Capacity planning is not an input to an MRP system.
Question: The advantage(s) of work sampling compared to time study include all the following EXCEPT:
No timing devices are required
Work of long cycle time may be studied with a fewer observer hours
The study may be temporarily delayed at any time with little effect
Several work-studies may be conducted simultaneously by one observer
Provides a complete breakdown of elements
Show or Reveal the Answer
Provides a complete breakdown of elements
Key Points: Time study provides a complete breakdown of elements.
Key Points: Time study provides a complete breakdown of elements.
Question: When you have a bell-shaped curve, none of the five M’s or one P are:
Bell shaped curve and 5m's and one p
Causing variation
Influencing or affecting the process in any way
Acting in a random fashion
Unduly influencing the process
Show or Reveal the Answer
Unduly influencing the process
Question: The peak of the bell-shaped curve represents:
The standard deviation
Process sigma
The width or fatness of the shape of the distribution
The mean or average of the distribution
Show or Reveal the Answer
The mean or average of the distribution
Question: The basic tools for shop-floor control include:
Dispatch list
An input/output control report
Various status and exception reports
A and B
B and C
A, B, and C
Show or Reveal the Answer
A, B, and C
Key Points: These are all basic shop-floor control tools.
Key Points: These are all basic shop-floor control tools.
Question: The gross requirements of a given component part in an MRP system are determined from:
gross requirements of the immediate part
net requirements of end item
net requirements + on-hand
planned order releases of the end item
planned order releases of the immediate parents
Show or Reveal the Answer
planned order releases of the immediate parents
Key Points: B and D are determined after the gross requirements, A and C are not valid answers.
Key Points: B and D are determined after the gross requirements, A and C are not valid answers.
Question: Which of the following is true about MRP Systems?
lot sizing is EOQ
order philosophy is replenishment
demand pattern is random
based on independent demand
objective is to meet manufacturing needs
Show or Reveal the Answer
objective is to meet manufacturing needs
Key Points: MRP is based on dependent demand. The other options are applicable to independent demand items.
Key Points: MRP is based on dependent demand. The other options are applicable to independent demand items.
Question: What should a histogram tell you?
I. Whether or not the data are normally distributed
II. Customer expectations
III. The dispersion
IV. The central tendency
I, III, and IV only
III and IV only
I and II only
I, II, III, and IV
Show or Reveal the Answer
I, II, III, and IV
What is an advantage of using a histogram over a stem-and-leaf?
What should a histogram tell you?
What should be included in a capability study?
A major drawback of using histograms to control a process is that histograms:
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