Deck 18: Computer-Integrated Manufacturing

Question 1

Industrial robots are versatile computer-controlled machines programmed to perform various tasks.

Answer 1

True

Question 2

Computer numerically controlled (CNC)machines are stand-alone pieces of equipment controlled by a central microprocessor.

Answer 2

False

Question 3

Which one of the following descriptions about computer-integrated manufacturing is NOT true?

A)Computer-aided design (CAD)comes under the umbrella of CIM.
B)Computer-integrated manufacturing is a term for an automatic process that can be reprogrammed to handle various products.
C)Computer-integrated manufacturing is the total integration of product design and engineering,process planning,and manufacturing by means of complex computer systems.
D)Less-comprehensive,computerized control or scheduling is often considered part of computer-integrated manufacturing.

Answer 3

B

Question 4

What is CIM's ultimate goal?

A)Computerized integration of partial phases of manufacturing
B)Computerized integration from initial customer order to final shipment
C)Computerized integration of inventory control
D)Manufacture of a wide variety of products with frequent human intervention

Question 5

Which one of the following results best describes the purpose of CIM technologies?

A)Increased productivity
B)Improved quality
C)Increased flexibility
D)All of these

Question 6

Numerically controlled machines are the most commonly used form of flexible automation.

Question 7

CAM is an electronic system for designing new parts or products or altering existing ones.

Question 8

A flexible manufacturing cell consists of one or a very small group of NC machines that may or may not be linked to a materials-handling mechanism.

Question 9

Which one of the following is the heart of CAD?

A)A powerful desktop computer and mathematical software for inventory control
B)A powerful desktop computer and graphics software to allow a designer to manipulate geometric shapes
C)Graphics software to test and simulate new facility location patterns
D)The drawings and display monitor

Question 10

Which one of the following statements about CAD/CAM systems is NOT true?

A)A CAD/CAM system links computerized product design and production engineering functions.
B)The system translates final design specifications directly into detailed machine instructions for manufacturing the part.
C)It avoids duplication of efforts between engineering and manufacturing.
D)The systems help identify better facility layouts,thus improving shop coordination.

Question 11

Which one of the following is a typical benefit of computer-aided design?

A)Setup time is reduced.
B)Machines can be grouped according to function.
C)Work-in-process inventory is lower.
D)Products can be designed without hand drafting.

Question 12

Which of the following statements about NC and CNC systems is best?

A)The NC machines were first developed in the early 1960s in Japan.
B)NC machines are small tools programmed to produce large batches of simple parts.
C)CNC systems are newer NC models that are controlled by their own minicomputer.
D)NC machines are large machine tools best suited to produce large batches of intricate parts.

Question 13

AGVs are small,driverless,battery-driven trucks that move materials between operations,following instructions from either an on-board or a central computer.

Question 14

A flexible manufacturing cell is a smaller version of a flexible manufacturing system with one or a very small group of NC machines and a material handling system controlled by a computer.

Question 15

Which of these statements about CIM is FALSE?

A)CIM is of little benefit to a manufacturing firm that pays high wages.
B)Over 40 percent of U.S.manufacturing companies are using one or more elements of CIM.
C)Less than 1 percent of U.S.manufacturing companies have approached full-scale use of CIM.
D)CIM is an umbrella term for total integration of product design and engineering,process planning,and manufacturing by computer systems.

Question 16

Computer-integrated manufacturing (CIM)is an umbrella term for the total integration of product design and engineering,process planning,and manufacturing by means of complex computer systems.

Question 17

Which one of the following is NOT typically considered part of CIM?

A)Computerized systems for production planning or inventory control
B)Electronic data interchange
C)Computer systems for product design and engineering
D)Robots and NC machines

Question 18

Which one of the following statements about computer-aided design is NOT true?

A)The designer creates drawings on a display monitor and instructs the computer to show several views of the subject according to the specific dimensions.
B)The computer can simulate the reaction of a part to strength and stress tests.
C)Analysts can use CAD to store,retrieve,and classify data about various parts.
D)Analysts can use the system to identify new EDI applications.

Question 19

Which of the following is NOT typically considered part of CIM?

A)CAD
B)NC machines
C)Robots
D)DOT

Question 20

Which one of the following statements is NOT true?

A)NC machines were first developed in the early 1950s at the Massachusetts Institute of Technology through research sponsored by the U.S.Air Force.
B)Since the early 1980s,Japanese industry has spent a considerable amount on factory automation,particularly CNC machines.
C)NC machines are large machine tools best suited to produce large batches of intricate parts.
D)By following a preprogrammed sequence of instructions,NC machines can drill,turn,bore,or mill many different parts in various sizes and shapes.

Question 21

Which of the following statements about industrial robots is NOT true?

A)The first industrial robot joined the GM production line in 1961.
B)Industrial robots are computer-controlled.
C)Most robots are mobile and glide on tractor belts.
D)There are six standard movements of a robot's arm.

Question 22

Which of the following is NOT a movement of a robot's arm?

A)Yaw
B)Roll
C)Pitch
D)Reach

Question 23

The first FMS was introduced in the

A)1960s.
B)1970s.
C)1980s.
D)1990s.

Question 24

Which one of the following statements on an automated guided vehicle (AGV)is NOT true?

A)An AGV is a large,gas-driven truck that allows the operator to move materials efficiently between operations.
B)Some AGVs can now efficiently go anywhere as long as there is aisle space and a relatively smooth floor.
C)The AGV's ability to route around problems such as production bottlenecks and transportation blockages helps avoid expensive,unpredictable shutdowns.
D)AGVs give just-in-time delivery of parts,thus reducing stockpiles of expensive inventories throughout the plant.

Question 25

Which of these statements about materials-handling is best?

A)Materials-handling automation is always justifiable.
B)Moving,handling,and storing materials add value to the product if done correctly.
C)Materials-handling is not a concern in a service operation.
D)Moving,handling,and storing materials take time.

Question 26

Which of the following statements regarding technological choice is best?

A)An FMS generally integrates workstations with a computer-controlled transport system for moving materials and parts.
B)A numerically controlled machine is a very efficient technology,particularly for a high-volume production process.
C)FMS is the most attractive technology for a high-volume assembly operation.
D)Industrial robots are quite limited in the tasks they can perform.

Question 27

Which one of the following statements about an FMS is true?

A)No human intervention is required to load or operate the system.
B)Because an FMS does not require a large initial investment,it can be easily installed.
C)Automated tool changing is actually slower than manual tool changing,but the system performs it without fatigue or error so the benefits are accrued over the long-term.
D)Programs and tooling setups can be changed with almost no loss of production time.

Question 28

A product produced by an FMS reaches the end of its life cycle.The best use for the FMS at this point is to

A)convert it to a fixed automation system.
B)retire it since the product will no longer be produced.
C)move the system to a less-congested area of the plant so it can make repair parts as customers request them.
D)reprogram it to produce another product.

Question 29

Which country or region uses the most industrial robots?

A)Europe
B)United States
C)South America
D)Japan

Question 30

________ is an umbrella term for the total integration of product design and engineering,process planning,and manufacturing by means of complex computer systems.

Question 31

Which one of the following is NOT a possible benefit from robot installation?

A)Less waste materials
B)More consistent quality
C)Longer lead time
D)Accepting zero wages and performing hazardous tasks without complaint

Question 32

Which one of the following technologies is an automated method of storing and retrieving materials?

A)AGV
B)NC machines
C)AS/RS
D)Fixtures

Question 33

Which of the following is not a component of a flexible manufacturing system?

A)Electronic systems for designing new parts or products
B)Several computer-controlled workstations that perform a series of operations
C)Loading and unloading stations
D)A computer-controlled transport system for moving materials and parts from one machine to another

Question 34

A(n)________ integrates the design and manufacturing functions by translating final design specifications into detailed machine instructions for manufacturing an item.

Question 35

Which one of the following statements about materials handling is best?

A)Variability in job paths usually means that workers must move materials in open-top containers.
B)With line-flow strategy,the flow of materials is very jumbled and does not lend itself to automation.
C)With flexible-flow strategy,materials handling is usually accomplished with as little worker intervention as possible.
D)Materials-handling processes in which a line-flow strategy exists usually resist automation because each job is unique in the path it follows.

Question 36

Which one of the following statements about industrial robots is NOT true?

A)One of the problems with robot utilization is increased materials waste.
B)Second-generation robots can be equipped with sensors that simulate touch and sight.
C)Industrial robots are versatile,computer-controlled machines programmed to perform various tasks.
D)Most robots are stationary and mounted on the floor,with an arm that can reach into difficult locations.

Question 37

Which one of the following statements about an FMC is true?

A)It has a materials-handling system controlled by a computer.
B)It has one or a very small group of NC machines.
C)It has one or a very small group of CNC machines.
D)There are more flexible manufacturing systems installed around the world than there are flexible manufacturing cells.

Question 38

Which one of the following is a computerized design process for creating new parts or products or altering existing ones?

A)Computer-aided design
B)NC machines
C)Industrial robots
D)Programmable automation

Question 39

________ is an electronic system for designing new parts or products or altering existing ones,replacing drafting traditionally done by hand.

Question 40

Flexible Manufacturing Cells do NOT contain

A)a materials handling system.
B)a single NC machine.
C)a computer-controlled material handling system.
D)a small group of NC machines.

Question 41

________ are large machine tools programmed to produce small- to medium-sized batches of intricate parts.

Question 42

Which computer-aided function,CAD or CAM,has resulted in the greatest productivity boost for manufacturers?

Question 43

Briefly describe two types of flexible automation for materials handling.

Question 44

How can CAD,CAM,or FMS be used in a service enterprise?

Question 45

A(n)________ consists of one or a very small group of NC machines that may or may not be linked to a materials-handling mechanism.

Question 46

A(n)________ is a computer-controlled method of sorting and retrieving materials and tools using racks,bins,and stackers.

Question 47

________ are versatile,computer-controlled machines programmed to perform various tasks.

Question 48

________ are small,driverless,battery-driven trucks that move material between operations,following instructions from either an on-board or central computer.

Question 49

________ are stand-alone pieces of equipment,each controlled by its own microcomputer.

Question 50

A(n)________ provides a way for a manufacturer to synchronize activities and maximize utilization by automatically handling and machine loading materials at computer-controlled workstations.

Question 51

Describe the impact a CAD/CAM system has on a manufacturer's ability to compete on quality,cost,flexibility and time.

Question 52

What are the functions of and differences between a flexible manufacturing system and a flexible manufacturing cell?

Question 53

________ is the process of moving,packaging,and storing a product.