CGT 163 Exam 2

 What is an assembly?

A group of components working together as a single functional unit

A collection of related parts that are grouped together as a single functional unit but designed to be incorporated with other units into a larger manufactured product is called ____

Subassambly

Which assembly modeling methodology is more appropriate for large complex products and highly collaborative projects that need to be supported by PDM systems?

Top down

The concept employed to add a part to an assembly so that the component appears in the assembly, but the actual geometric data of the component remains in the source component file is called ___

Instantiation

How many degrees of freedom does an unconstrained object in 3D space have?

6

 A variable that can be dynamically set to any numeric value and then referenced by a CAD model for dimensioning purposes is called ____

Parameter

Which of the following statements about part families and configurations is TRUE?

Configurations can leverage parameters and formulas to build part variations

A part manufactured in complete compliance with published government or industry-accepted specifications and include all information necessary to produce the part is called ____

Standard Part

Which of the following statements is FALSE?

Parameters cannot be defined in under-defined sketches

Although often used indistinctively, which term refers to a group of elements that mainly differ in size?

Part families

What does it mean for a technical drawing to be a derivative of a model?

The attributes of the drawing are driven by the model via a parent/child reference relationship

Which of the following items is a general category of drawing elements?

Object geometry views, notes, and drawing sheet format and title block (all of the above)

Dashed, thin lines used to depict geometric features that are not visible in a given view are called ___

Hidden Lines

What type of section view is often used with symmetric parts and results in exposing the internal detail of one-quarter of the object?

Half Section

What mechanism is used in engineering graphics to represent an object either smaller or larger than its true physical size?

Scale

Which of the following statements about managing parts in a PDM system is FALSE?

Parts provided by suppliers cannot have CAD models associated with them

In a make-or-buy decision, which of the following is a common reason to buy?

Lack of in-house expertise

Which of the following is NOT a factor that needs to be considered when selecting the optimal part for a specific product?

Digitalization

Which of the following is NOT a neutral CAD format? IGES, STEP and DXF are examples of which type of CAD format?

PRT

When a part becomes unnecessary because it is replaced with a newer model or revision of the product, what happens to the part in the PDM system?

It is marked as “obsolete” amd kept in the database

In a PDM system, the attributes of an item are described through ____

Metadata

Which of the following is NOT a common attribute used to describe an item in PDM?

Sort order

In a PDM system, the “check-in/check out” mechanism is used to ensure that ___

Only one user at a time is editing a particular object in the database

 In the context of PDM, what is a wildcard?

A special character that represents or replaces one of mroe characters in a search string

In a PDM context, what is another term for “where-used”?

Impact analysis

A product structure represented as a hierarchy is known as a ____

Multi-level BOM

 What does EBOM stand for out of the following list?

Engineering bill of materials

Which of the following is NOT a numbering scheme typically used in industry for part identification numbers?

Polymorphic

In the context of BOMs, Product Structures, and Assemblies, what does the term TLA stand for?

Top-level assembly

Which of the following statements about Engineering Bill Of Materials (EBOMs) and Manufacturing Bill Of Materials (MBOMs) is FALSE?

Processes such as gold plating, which may ne required to complete a finished product, are often listed on a EBOM, but not an MBOM

Which of the following statements about PDM workflows is FALSE?

Once properly defined, workflows are transformed into business processes

All the following are common user roles that may defined in a business process, except ____

PDM vendor

All the following are common PDM lifecycle states, except ____

Make-or-buy

What mechanisms are commonly used in PDM systems to automatically inform users that a workflow has reached a certain state and/or action on an item needs to be taken?

Notifications

 Which of the following is the best definition of superseded?

Item has been replaced with a different item

Changes cost money. The cost of a change

increases as the product lifestyle progresses

Advantages of implementing Change Management in results in which of the following advantages?

All of the above- change information is centralized and updated, change documents are easier to mantain, change process cycle times are reduced

What process is used in product development to ensure that a product’s definition and its realization are in alignment?

Configuration management

Which of the following is NOT a general characteristic of an effective change process?

Commonality

 Which of the following is NOT an element of a change object in a PDM system?

Cycle time and resolution protocols

 In a PDM context, what aspect of security deals with the confidentiality of personal data?

Information security

What does ITAR stand for?

International traffic in arms regulations

 The removal or transfer of an organization’s intellectual property outside the organization is a form of ___

Economic espionage

Which of the following statements about data vaults is TRUE?

Multi-vault architectures can help increase in environments with large numbers of concurrent users

Crushing and shredding a hard drive that has been taken out of service is an example of ____

Physical security