DSCI 303 Exam 1 Study Guide – Flashcards
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One of the major benefits of concurrent engineering is the reduction in time to complete the new product development process
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True
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In MRP systems, inventories are managed according to their dollar usage value (high dollar usage inventories are more carefully managed compared to low dollar usage inventories)
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False
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MRP System
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is a production planning and inventory control system used to manage manufacturing process. Meet three objectives: Ensure materials are available for production and products are available for delivery to customers. Maintain the lowest possible material and product levels in store Plan manufacturing activities, delivery schedules and purchasing activities.
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The master schedules is prepared for product families
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False
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If there are multiple resources that process each transaction, then the process apacity is the sum of all the individual capacities of the resources
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False
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In supply chain improvement, it is often necessary to reduce the setup time of equipment dramatically so that smaller lots of the product can be economical produced
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True
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The process view provides a basis for viewing an entire business as a system of interconnected processes
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True
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A line of visibility separates the parts of a service that come in direct contact with customers from those that do not
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True
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With the technology push view of new product introduction, technology and the market equally determine which products a firm should make
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False
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The objective of structural and infrastructure changes is the same: to remove sources of uncertainty, to reduce replenishment time, and to reduce total cost of supplying the market
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True
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Delivery has three performance measures: on-time delivery, fill rate, unit cost
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False
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Product design supports the business strategy
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True
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Market pull is the best way to introduce new products
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False
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The first step in Quality Function Development is to determine the customer attributes. The second step in QFD is to translate the customer attributes into target values
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True
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Major product redesign is often needed to make infrastructure improvements in the supply chain
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False
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Process redesign tends to be cross functional in nature and requires a complete overhaul of work methods, flows and information systems
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True
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Final consumers can be found farthest downstream in the supply chain
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True
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Order launching MRP systems are also known as type II MRP systems
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False
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The Economic Order Quantity model is extremely useful while making decisions on order quantities in MRP systems
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False
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MRP is a type of pull system
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False
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Forecasting demand in MRP systems is based on the past demand patterns for components
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False
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A bill of materials can be coupled with a bill of labor if MRP systems are to be used in service industries
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True
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MRP systems work better in a line flow system compared to a job shop
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False
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When a company uses an ERP system, the different functional areas of business will share a common database
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True
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A process will generally have at least one bottleneck
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True
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The master schedule should be frozen inside the production lead-time
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True
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Demand chain management tries to match supply and demand
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False
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As price increases and benefits remain constant, the value of a product increases
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False
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A process view emphasizes that it is important for a business to function as independent silos
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False
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Best practices in operations are best for all organization
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False
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It is bad to have a negative cash-to-cash cycle in which the firm receives payment before it pays its suppliers
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False
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"Lean operations" refers to the task of reducing the defect rates in a firms products or services
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False
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Modular design offers new opportunities for product and process design
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True
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ISO 9000 requires that a new-product development process be defined and followed by a company
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True
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Misalignments between operations an product design can occur in technology, infrastructure, and rewards systems
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True
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The transformation view of operations function provides a unified approach for studying the manufacturing and service industries
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True
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What are the two fundamental processes in all supply chains that are most affected by the internet?
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Order fulfillment and order placement
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If a factory has 100,000 units of materials in the system and if the average flow rate of the system is 5000 units per day, then according to Little's Law, the average throughput time is
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20 days
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Which of the following does the Supply Chain Operations Reference model NOT include?
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All of the above: Make, Deliver, Return
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The five measures of supply chain performance are
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cost, quality, flexibility, delivery and time
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the four major decisions responsibilities of operations management are
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process, capacity, quality and inventory
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Which of the following is a way to improve the infrastructure in the supply chain
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setup time reduction
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in the process view of business, which of the following should be identified when defining the system
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inter-connected processes across functional areas
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an example of a prototype is
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the original mcdonalds restaurant
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analysis flow of information...
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...should always accompany an analysis of materials flow
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a diamond symbol in a flowchart indicates
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both a and b: evaluation with more than one possible outcome, and decision
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the first step in process flow analysis is
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to select an appropriate transformation process for analysis
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Which of the following is NOT a form of structural change of the supply chain
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creating cross-functional teams
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The master production schedule for Product A shows a need for 30 units, and product B shows a need of 25 units. Tomanufacture a unit of Product A, three units of component C are requires. To manufacture a unit of Product B, four units of component C are required. Determind the gross requirements for component c to complete production
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190 units
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The parts explosion results in the following outputs:
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purchase orders and shop orders
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Design for manufacturing involves
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both a and c: simplification of products and manufacture of multiple products using common parts, processes and modules
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Which is of the following is NOT true about supply chain dynamics?
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the best way to improve the supply chain is to increase the total replenishment time and to feed back actual demand information to all levels
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Which of the following is a form of infrastructure change
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changes in information systems
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Quality Function Deployment includes which of the following...
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1,3,4,5,6
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Materials handling, transportation and warehousing are elements of
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logistics
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successful MRP system elements include
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all of the above: implementation planning, accurate data, and user knowledge
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which of the following is NOT a prerequisite to process flowcharting
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identifying te maneger overseeing the process
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Which of the following statements about littles law is NOT included
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little's law cannot be applied to service operations
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The capacity of a process is determined by:
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a bottleneck
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a replenishment-based system derives orders from
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forecast or customer request
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which of the following is NOT true of vertical integration
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leads to greater flexibility to changing technology
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successful MRP implementation requires
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management support, accurate data, and adequate customer support
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Which of the following statements is NOT true about process flow analysis
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process flows must always be forward, and cannot "loop back" to previous operations
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the design and management of seamless, value-added processes across organizational boundaries to mer thte real needs of the end customer is called
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supply chain management
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a comprehensive decision-making framework for operations include
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consideration of other organizational functions
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a service blueprint:
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all of the above: shows all points of interaction between the customer and the service providers, contains a 'line of visibility', includes front office and back office process flows
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backward or upstream supply chain flows include:
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all of the above: information, monetary payments and materials
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which of the following would NOT be changed due to process flow analysis
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customers
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capacity decisions:
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linclude staffing and scheduling
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which of the following functions is responsible for the actual movement of goods and/or services across organizations?
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logistics
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the supply chain extends from
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supplier to customer
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the gross requirements of a part in an MRP system are determined from
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planned order releases of the immediate parent item
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supply chain management includes all of the following except
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advertisitng
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in MRP "scheduled receipts" are
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open orders not delivered yet
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one step in process flow analysis is to describe the existing process. If a new system is being developed (there is no exiting system):
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this step is simply omitted
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why is operations management a more encompassing term than production management
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op management refers to service as well as manufacturing organizations
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the market-pull view of new product innovation is to
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develop products that the company can sell, baed on customer needs
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when marketing, engineering and operations simultaneously develop a product, this approach is known as
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concurrent engineering
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the contemporary operations themes signify that
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every operation should be externally directed to meet the customers requirements
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supply chain management includes the integration of:
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all of the above: suppliers, manufactures, and customers
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planned lead times:
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usually are longer than actual working times
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the three major functions of business organiztions
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interface with each other
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which of the following statements regarding business process re-engineering is not true
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BPR is synonymous to the total quality management approach of process improvement
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which of the following is not one of the four principles of process redesign
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automate the remaining steps in the process
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which of the following is not a contemporary theme in operations
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wuality teams
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approximately what percentage of American workforce works in service industries
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80%
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which one of the following would not generally be classified as a input in a university sytem
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research
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a service blueprint is used to analyze and manage the service process because it involves:
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the identification of flows, bottlenecks and customer interaction points
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____ systems uses requirements order philosophy, while_____ systems uses replenishment order philosophy
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MRP, order point
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in which phase of the new product design process should considerations about tradeoffs among product cost, quality and schedule be made?
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product design
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a numerically controlled machining centers has an average processing capacity of 500 units per day. It receives an average pf 3--- units of inventory from another machining center and it has to supply an average of 1000 units of finished goods to the packaging section> assuming that the company incurs a significant cost for carrying finished goods supplied to packing section, the flow rate of machining process is:
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1000 units/day
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a type II MRP system:
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has feedback to control capacity
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a restaurant offers a "customer choice" sandwich for which the customer specifies the brea, meat, cheeses and topping he or she wants. there are three types of brea, three types of meat, three types of chest and four types of topping. How many different sandwiches can the restaurant make?
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108
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the three inputs for an MRP parts explosion are:
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inventory, master schedule and bill of materials
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which of the following is nOT a specific measure of supply chain performance
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innovation
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the concept that a product should not only fit the market needs but have a technical advantage as well is known as the
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inter functional view to new product introduction
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an MRP system is designed to deal with
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lumpy demand
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which of the following is NOT a type of e-procurement
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B2B marketplaces
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a requirements-based system derives orders from
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master schedule
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order placement via the internet does NOT include
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use of an rep system to schedule production
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which type of MRP system is used as an information system to plan and control inventories and capacities
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type II
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which of the following is true about MRP systems
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objective is to meet manufacturing needs
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a productive systems approach
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must provide feedback information for control process inputs and technology
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the flow of materials from upstream nodes into a firm is called
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physical supply
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all of the following help to handle uncertainty when operating an MRP system except
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back up suppliers
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end item A requires three components parts B,C and D. the bill of materials indicates that for each completed....
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43
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the three primary functions that exist in most business organizations are
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operations, finance and marketing
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which of the following is not in the process category of the operations decision framework
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product or service inspection
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Quality function deployment:
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all of the above: is a tool for linking customer requirements to technical specifications, facilitates inter-functional cooperation between marketing, engineering and manufacturing AND relates engineering characteristics to each other
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the average cash-to-cash cycle is defined as:
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days in inventory+days in accounts receivable-days in accounts payable
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which of the following most closely describes net material requirements in an MRP system
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gross requirements- (on hand+scheduled receipts)
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bills of materials are kept current with changes using
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engineering change order systems
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process elements that might be changed when improving a process include:
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all of the above: job design, product or service design, and equipment or tools
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inventory decisions involve:
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all of the above: determining what to order, how much to order, and when to order, tracking flows of materials, and managing the finished goods inventories
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cycle counting:
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is counting a fraction of inventory each day
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Quality Function Deployment
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links customer requirements to technical specifications
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safety stock in an MRP system
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is used to provide flexibility to meet changing customer requirements
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modular design involves
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dividing the products into their similar components
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the bills of materials
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is a list of materials required to product a part
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which of the following statements is NOT true regarding supply chain operations
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demand changes by the end user can create a bullwhip effect in the supply chain
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which of the following is NOT part of the new-product development process
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development of the marketing strategy
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is I denotes the average inventory in the system, T denotes the average throughput time, and R denotes the average flow rate of the system, then by Littles Law:
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R=I/T
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Process design
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should occur at the same time as product design
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three typical misalignments between product design and operations are
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technology, reward systems and inrastructure
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the essence of operations management can be described by
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decisions, function and process
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which of the following is NOT a characteristic of changes in structure
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lead to changes in information systems
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type I material requirements planning systems:
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all of the above: are push production systems, assume infinite capacity while scheduling the jobs in a factory, and schedule backward in time starting with the due date of the job
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Value analysis:
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both a and b: improves the usefulness of the product without increasing the cost AND reduces the cost of a product without reducing its usefulness
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which system specifies the output of the operations functions
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master scheduling
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what does a square or rectangle symbol indicate in a flowchart
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operation