Deck 25: Metric Screw Threads, Dual Dimensioning, and Tolerancing

Question 1

ISO metric and ASME M profile thread series are not interchangeable with Unified thread series because of ____.

A) size variations
B) strength variations
C) differences in materials
D) compatibility issues

Answer 1

A

Question 2

In the accompanying figure, the item identified as number 3 is the ____.

A) pitch
B) angle
C) rise
D) depth

Answer 2

A

Question 3

____ implies that each dimension is given both in metric and English units.

A) Conversion notation
B) Tolerance calculations
C) Dual dimensioning
D) Multi dimensioning

Answer 3

C

Question 4

Explain how metric threads and Unified threads can be drawn and dimensioned.

Question 5

The necessary information for producing general-purpose metric screw threads is arranged in a standardized sequence in what is called a(n) ____.

A) ISO thread callout
B) standard thread callout
C) basic thread callout
D) basic metric thread callout

Question 6

Briefly describe dual dimensioning.

Question 7

Describe the ISO metric and ASME M profile thread series.

Question 8

____ provide complementary information to that given by graphically representing and dimensioning screw threads on a drawing.

A) Thread attachments
B) Thread notes
C) Thread references
D) Thread codes

Question 9

Describe the purpose of thread notes and callouts.

Question 10

Screw thread ____ contain engineering data on major (basic) outside diameters and pitch for ISO metric screw threads, Unified thread series sizes, and the best ISO metric equivalents for selected American screw thread sizes.

A) limit tables
B) compatibility tables
C) conversion tables
D) reference tables

Question 11

What is the general range of ISO metric threads?