Exam 26: International Standard Symbols for Welding

The arrow side and other side significance of a joint is the same for an ISO symbol and an AWS symbol.

An ISO symbol used to represent a weld requirement consists of ____.

The arrangement and shape of views for first-angle projection is derived from viewing an object located within the ____ planes of the first quadrant of a circle.

Each ____________________ symbol is indicative of the shape of the weld surface required.

The symbol used to indicate a(n) ____________________ is a straight line with a dot at one end.

In addition to AWS weld symbols, a set of weld symbols has been developed for international use, identified as "____."

ISO symbols for weld representations are generally found on drawings prepared with the views shown in fourth-angle orthographic projection.

The variety of dimensions applied to ISO symbols and their locations with respect to the symbols are similar to ____________________ welding symbols.

Each ____________________ ISO symbol represents the shape of the weld to be made.

The variety of dimensions applied to ISO symbols and their locations with respect to the symbols are exactly the same as the AWS welding symbols.

When a dual reference line is applied to the ____ line, it signifies the other side of the joint.

The purpose of a ____ line is to be able to readily identify to which side of a joint the welding symbol applies.

The ISO symbol used for symmetrical welds is a ____ reference line is used.

When a dual reference line is applied to the ____ reference line, it signifies the arrow side of the joint.

When an arrow cannot point to a joint, symbolization cannot be used.

When an object is placed within the ____ quadrant, it is viewed in front of each plane and then projected to the plane for deriving the front, left side, and top views.

Whereas AWS basic symbols are identified as weld symbols, ISO identifies its comparable elementary symbols as ____ symbols.

International weld symbols fall into two principal categories: ____.

In ____-angle projection, the top view is shown below the front view, the left side view is shown to the right of the front view, and the right side is shown to the left of the front view.

An ISO symbol does not provide for the use of a broken arrow line to indicate which joint member of a groove weld is to be prepared.