Question 1

Give the minimum formula that you would use when deter- mining pilot hole depth.

Accepted Answer

.

Question 2

Identify at least one design factor related to helix direction.

Accepted Answer

. The direction of the helix is a design factor when springs must operate in conjunction with threads or with one spring inside of another. In such situations, the helix of one feature should be in the opposite direction of the helix for the other feature.

Question 3

Taper taps generally have how many lead in chamfers?

Accepted Answer

. Equal to or greater than 10 pitches

Question 4

Describe deflection related to a compression spring and an extension spring.

Accepted Answer

. Deflection is the movement f

Question 5

Define spring and give the basic design principle.

Accepted Answer

. A spring is a mechanical device, often

Question 6

When is the abbreviation LH used at the end of a thread note?

Accepted Answer

. LH at end of threa

Question 7

According to ASME Y14.6, what is the general guideline for the dimension specified on a drawing for thread depth in a blind hole?

Accepted Answer

. The minimum measur

Question 8

If a relief is used on external threads, the applied relief diameter should not exceed what specification?

Accepted Answer

. The mino

Question 9

How are standard key sizes determined?

Accepted Answer

. Determin

Question 10

Define the screw thread terms given in questions
-Classes of threads

Accepted Answer

Classes of Threads:

Question 11

What type of information is required to completely identify a bolt or screw?

Accepted Answer

. Thread note descri

Question 12

Identify the two optional provisions that must be used when designing a threaded joint with a shoulder.

Accepted Answer

. A counterbore on t

Question 13

Give another name for wave springs, and describe the ad- vantage of using wave springs rather than coil springs.

Accepted Answer

. Wave springs are also called flat wire

Question 14

Plug taps generally have how many lead in chamfers?

Accepted Answer

. Equal to

Question 15

Briefly explain the application of phantom lines used when drawing a detailed thread representation. Phantom lines can be used to simplify the drafting of repeated detail.

Accepted Answer

. Phantom lines can be used to simplify

Question 16

Define the screw thread terms given in questions
-Pitch

Accepted Answer

Pitch: Distance para

Question 17

Describe a flat spring and give at least one use for a flat spring.

Accepted Answer

. Flat springs are arched or bent flat-m

Question 18

Define coil related to spring terminology, and identify active coils and total coils.

Accepted Answer

. A coil is one 360º revolution of the w

Question 19

Identify two applications for taper pins.

Accepted Answer

. Used where perfect

Question 20

Identify at least three design criteria used in spring design.

Accepted Answer

. Spring design criteria are g

Exam 11: Fasteners and

Give the minimum formula that you would use when deter- mining pilot hole depth.

Identify at least one design factor related to helix direction.

Taper taps generally have how many lead in chamfers?

Describe deflection related to a compression spring and an extension spring.

Define spring and give the basic design principle.

When is the abbreviation LH used at the end of a thread note?

According to ASME Y14.6, what is the general guideline for the dimension specified on a drawing for thread depth in a blind hole?

If a relief is used on external threads, the applied relief diameter should not exceed what specification?

How are standard key sizes determined?

Define the screw thread terms given in questions -Classes of threads

What type of information is required to completely identify a bolt or screw?

Identify the two optional provisions that must be used when designing a threaded joint with a shoulder.

Give another name for wave springs, and describe the ad- vantage of using wave springs rather than coil springs.

Plug taps generally have how many lead in chamfers?

Briefly explain the application of phantom lines used when drawing a detailed thread representation. Phantom lines can be used to simplify the drafting of repeated detail.

Define the screw thread terms given in questions -Pitch

Describe a flat spring and give at least one use for a flat spring.

Define coil related to spring terminology, and identify active coils and total coils.

Identify two applications for taper pins.

Identify at least three design criteria used in spring design.

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

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

Precision Sheet Metal Drafting

Electrical and Electronic Drafting

Industrial Process Piping

Structural Drafting

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

Civil Drafting Problems

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