DIN Engineering Services Design Engineer Interview Questions and Answers

1st angle and 3rd angle projection are two methods used in technical drawing to represent a three-dimensional object on a two-dimensional surface.

• 1st angle projection is commonly used in Europe and Asia, while 3rd angle projection is commonly used in North America.

• In 1st angle projection, the object is imagined to be in the first quadrant and the views are projected onto the planes surrounding the object.

• In 3rd angle p...read more

A sliding symbol in GD&T indicates the need for a sliding fit between two parts.

• The sliding symbol is represented by two parallel lines with an arrowhead at one end.

• It is used to specify that one part should slide or move freely along a surface of another part.

• The sliding symbol is often used in mechanical engineering and manufacturing to ensure proper fit and functionality of assembled parts.

• For example, if designing ...read more