WGU Operations and Supply Chain
Management - C720 Exam Questions
and Answers
Operations in the service and manufacturing sectors operate independently from each
other in creating a value chain that ultimately brings products to customers. - ANS-
False. The service sector depends on the manufacturing sector in many ways and their
value chain is tightly linked.
Service providers do not produce products because they are not part of the
manufacturing sector - ANS-False. The final output for both producers of goods and
producers of services represent a good or service, both of which are considered
products.
A company sells garage doors through a national retailer and contracts with local
installers to complete the installations. The operations manager is responsible for
completing the installations in a 14-day period after the sale. The company will be
penalized financially if it fails to achieve these objectives. The operations manager's
daily responsibilities include contacting installers to expedite orders and ensure
deadlines are met.
Which two tools that should be used to measure installer performance? - ANS-Control
charts to measure the time elapsed to completion, Run charts to chart output around the
14-day central tendency
Which two company practices reflect the guiding principles of Six Sigma? - ANS-A
company tries to reduce variation in the quality of products it offers, A company
emphasizes the quality of suppliers because the quality of outputs are determined by
the quality of inputs.
Six Sigma is adopted by a manufacturing company.
How can the company use Six Sigma to establish quality improvement? - ANS-There
should be no more than 3.4 defects per million products from a manufacturing company
statistically.
A company makes rulers that are designed to be 20 cm in length with allowance ±0.1
cm.
, If the actual length of a ruler is 20.2 cm, which factor will the company use to judge the
quality of the length of the rulers? - ANS-Conformance
Which quality management philosophy uses cause-and-effect fishbone diagrams for
root-cause analysis, emphasizes a bottom-up approach to quality, and considers
standardization and quality control to move together in improvement? - ANS-Ishikawa's
quality circle
Which quality management philosophy assigns cost to quality, defines quality by how
well a product can be used for its intended purpose, and uses Pareto charts? - ANS-
Juran Institute's management theory
A manager is planning staffing needs for a seasonal ice cream stand. The manager
expects to have the following number of customers per day each month:
January: 20
February: 23
March: 30
April: 60
May: 90
Jun: 120
July: 130
August: 150
September: 100
October: 80
November: 60
December: 30
Which capacity planning strategy should the manager use to achieve this customer
demand? - ANS-Match
A company makes garage door tracks for residential and commercial customers. The
production manager prefers to run all the footage for residential requirements first each
day and then change over for the commercial size after the residential orders are
completed. The tooling is changed back to the residential size before the end of
business each day.
Which process strategy is this company using? - ANS-Batch processing with some
product variety on moderately flexible equipment
An oil refinery receives crude oil on a regular basis, which must be refined into five
different octane-rated gasoline formulas and diesel. Demand for these fuels is easy to
predict. The cost to refine the oil decreases rapidly depending on the size of the refinery
that refines the oil.
Based on this information, which process strategy should the oil refinery use in its
refining process? - ANS-Continuous flow
Management - C720 Exam Questions
and Answers
Operations in the service and manufacturing sectors operate independently from each
other in creating a value chain that ultimately brings products to customers. - ANS-
False. The service sector depends on the manufacturing sector in many ways and their
value chain is tightly linked.
Service providers do not produce products because they are not part of the
manufacturing sector - ANS-False. The final output for both producers of goods and
producers of services represent a good or service, both of which are considered
products.
A company sells garage doors through a national retailer and contracts with local
installers to complete the installations. The operations manager is responsible for
completing the installations in a 14-day period after the sale. The company will be
penalized financially if it fails to achieve these objectives. The operations manager's
daily responsibilities include contacting installers to expedite orders and ensure
deadlines are met.
Which two tools that should be used to measure installer performance? - ANS-Control
charts to measure the time elapsed to completion, Run charts to chart output around the
14-day central tendency
Which two company practices reflect the guiding principles of Six Sigma? - ANS-A
company tries to reduce variation in the quality of products it offers, A company
emphasizes the quality of suppliers because the quality of outputs are determined by
the quality of inputs.
Six Sigma is adopted by a manufacturing company.
How can the company use Six Sigma to establish quality improvement? - ANS-There
should be no more than 3.4 defects per million products from a manufacturing company
statistically.
A company makes rulers that are designed to be 20 cm in length with allowance ±0.1
cm.
, If the actual length of a ruler is 20.2 cm, which factor will the company use to judge the
quality of the length of the rulers? - ANS-Conformance
Which quality management philosophy uses cause-and-effect fishbone diagrams for
root-cause analysis, emphasizes a bottom-up approach to quality, and considers
standardization and quality control to move together in improvement? - ANS-Ishikawa's
quality circle
Which quality management philosophy assigns cost to quality, defines quality by how
well a product can be used for its intended purpose, and uses Pareto charts? - ANS-
Juran Institute's management theory
A manager is planning staffing needs for a seasonal ice cream stand. The manager
expects to have the following number of customers per day each month:
January: 20
February: 23
March: 30
April: 60
May: 90
Jun: 120
July: 130
August: 150
September: 100
October: 80
November: 60
December: 30
Which capacity planning strategy should the manager use to achieve this customer
demand? - ANS-Match
A company makes garage door tracks for residential and commercial customers. The
production manager prefers to run all the footage for residential requirements first each
day and then change over for the commercial size after the residential orders are
completed. The tooling is changed back to the residential size before the end of
business each day.
Which process strategy is this company using? - ANS-Batch processing with some
product variety on moderately flexible equipment
An oil refinery receives crude oil on a regular basis, which must be refined into five
different octane-rated gasoline formulas and diesel. Demand for these fuels is easy to
predict. The cost to refine the oil decreases rapidly depending on the size of the refinery
that refines the oil.
Based on this information, which process strategy should the oil refinery use in its
refining process? - ANS-Continuous flow
