Question 1

How are registration marks used in the place of grid lines?

Accepted Answer

. Registration marks can be used for artwork alignment in the place of grid lines.

Question 2

Give the purpose of bend relief.

Accepted Answer

. Bend relief is typically added to a sheet metal part to relieve stress or the tear that occurs when a portion of a piece of material is bent.

Question 3

When is a roll form used?

Accepted Answer

A roll form is appropriate for flat or cylindrical applications such as rolled surfaces, contoured rolls, beads, or other similar features.

Question 4

Describe the characteristics of a typical miter joint.

Accepted Answer

. A miter joint usua

Question 5

What are bend facets and when are they used?

Accepted Answer

. Bend facets are a series of flat trian

Question 6

Define blanking.

Accepted Answer

Blanking is the process of pro

Question 7

Describe bend transition.

Accepted Answer

Bend transition refers to the

Question 8

What is a stamping press?

Accepted Answer

A stamping press is a metalwor

Question 9

Define flat pattern.

Accepted Answer

A flat pattern is a

Question 10

How is corner relief used?

Accepted Answer

Corner relief is used to cut away some m

Question 11

How many registration marks are used and what is their orientation?

Accepted Answer

. There are three registration

Question 12

Give an example of bend instructions that mean bend up 908 with a .120 bend radius.

Accepted Answer

The answer of Give an example of bend instructions that...

Question 13

Name the three dimensioning practices that are commonly used for precision sheet metal drafting applications.

Accepted Answer

. Precision sheet metal parts

Question 14

Define bend allowance.

Accepted Answer

Bend allowance is the amount o

Question 15

Define seam.

Accepted Answer

A seam is the line or opening

Question 16

Describe how the inside mold line is drawn.

Accepted Answer

. The IML is drawn using a cen

Question 17

When are hems necessary?

Accepted Answer

Hemmed edges are nec

Question 18

Define the bend tangent line and describe how it is drawn. ChaPTer 19 PreCision sheeT

Accepted Answer

. The bend tangent line is the

Question 19

Describe how the outside mold line is drawn.

Accepted Answer

. The OML is a short thin line

Question 20

Describe dimensional accuracy points.

Accepted Answer

. Dimensional accuracy points are a set

Exam 19: Precision Sheet Metal Drafting

How are registration marks used in the place of grid lines?

Give the purpose of bend relief.

When is a roll form used?

Describe the characteristics of a typical miter joint.

What are bend facets and when are they used?

Define blanking.

Describe bend transition.

What is a stamping press?

Define flat pattern.

How is corner relief used?

How many registration marks are used and what is their orientation?

Give an example of bend instructions that mean bend up 908 with a .120 bend radius.

Name the three dimensioning practices that are commonly used for precision sheet metal drafting applications.

Define bend allowance.

Define seam.

Describe how the inside mold line is drawn.

When are hems necessary?

Define the bend tangent line and describe how it is drawn. ChaPTer 19 PreCision sheeT

Describe how the outside mold line is drawn.

Describe dimensional accuracy points.

Introduction to Engineering Drawing and Design Test

Drafting Equipment, Media, and Reproduction Methods

Computer-Aided Design and Drafting Cadd

Manufacturing Materials and Processes

Sketching Applications

Lines and Lettering

Drafting Geometry

Multiviews

Auxiliary Views

Dimensioning

Fasteners and

Sections, Revolutions, and Conventional Breaks

Geometric Dimensioning and Tolerancing

Pictorial Drawings and Technical Illustrations

Working Drawings

Mechanisms: Linkages, Cams, Gears, and Bearings

Belt and Chain Drives

Welding Processes and Representations

Electrical and Electronic Drafting

Industrial Process Piping

Structural Drafting

Heating, Ventilating, and Air-Conditioning Hvac, and Pattern Development

Civil Drafting Problems

Filters