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Millwright Level 1: Basic Layout (15104-
06) Questions and Answers 100% Pass
Basic Layout - ANSWER ✔✔-This includes measuring and marking lines, centers, angles, and circles to
lay out shapes for fabrication, bolt patterns, and equipment locations.
Scribers - ANSWER ✔✔-Used to mark lines on metal parts, are made of tooled steel and have a handle or
holder. The scriber is ground to a needle point. The point of some scribers is bent at an angle to mark the
inside of cylindrical objects. The point of the scriber must be kept sharp so that it makes distinct marks.
Steel Rules - ANSWER ✔✔-Made of tempered steel that has graduations down to 1/64 of an inch. Some
steel rules are marked on both sides. One side may be marked in eighths and sixteenths of an inch, the
other side in thirty-seconds and sixty-fourths of an inch. They are available in lengths from 1 to 144
inches. They are used to measure distances and to mark lines.
Steel Squares - ANSWER ✔✔-Also referred to as a framing square, is used to square up large stock and
patterns and to lay out and check right angles. Can also be used as a ruler or straight edge. It has a 24-
inch blade and 16-inch tongue, that are marked down to 1/64 of an inch.
Combination Set - ANSWER ✔✔-Can be used as a combination square to lay out 45-degree angles, 90-
degree angles, parallel lines and to measure heights. It can be used as a protractor to measure angle to
within 1-degree accuracy or it can be used to locate centers of round or square bars and serve as a steel
rule, level, or marking gauge.
Protractors - ANSWER ✔✔-Made of plastic or light-gauge metal, used to lay out and measure angles.
Created by ©EmilyCharlene 2025. All rights reserved.
Millwright Level 1: Basic Layout (15104-
06) Questions and Answers 100% Pass
Basic Layout - ANSWER ✔✔-This includes measuring and marking lines, centers, angles, and circles to
lay out shapes for fabrication, bolt patterns, and equipment locations.
Scribers - ANSWER ✔✔-Used to mark lines on metal parts, are made of tooled steel and have a handle or
holder. The scriber is ground to a needle point. The point of some scribers is bent at an angle to mark the
inside of cylindrical objects. The point of the scriber must be kept sharp so that it makes distinct marks.
Steel Rules - ANSWER ✔✔-Made of tempered steel that has graduations down to 1/64 of an inch. Some
steel rules are marked on both sides. One side may be marked in eighths and sixteenths of an inch, the
other side in thirty-seconds and sixty-fourths of an inch. They are available in lengths from 1 to 144
inches. They are used to measure distances and to mark lines.
Steel Squares - ANSWER ✔✔-Also referred to as a framing square, is used to square up large stock and
patterns and to lay out and check right angles. Can also be used as a ruler or straight edge. It has a 24-
inch blade and 16-inch tongue, that are marked down to 1/64 of an inch.
Combination Set - ANSWER ✔✔-Can be used as a combination square to lay out 45-degree angles, 90-
degree angles, parallel lines and to measure heights. It can be used as a protractor to measure angle to
within 1-degree accuracy or it can be used to locate centers of round or square bars and serve as a steel
rule, level, or marking gauge.
Protractors - ANSWER ✔✔-Made of plastic or light-gauge metal, used to lay out and measure angles.
Created by ©EmilyCharlene 2025. All rights reserved.
