Chapter 18

Question 1

UNC

Answer 1

designated threads (coarse) are the most common in agricultural components.

Question 2

UNF (or SAE)

Answer 2

designated threads (fine) are used in special conditions, for example, where parts being joined have thin walls.

Question 3

designated threads (coarse) are the most common in agricultural components.

Answer 3

UNC

Question 4

designated threads (fine) are used in special conditions, for example, where parts being joined have thin walls.

Answer 4

UNF (or SAE)