Technical Drawing and Drafting Tools

Fill-in-the-blank practice flashcards covering fundamental technical drawing concepts, line types, drafting tools, and materials.

__________ is known as the universal language in the industry.

Drawing

A drawing made without the aid of any drawing instruments or straight edges is called a __________ drawing.

freehand

A drawing created with the aid of drawing instruments and materials is classified as a __________ drawing.

mechanical

Drawings that express aesthetics and abstract ideas are classified as __________ drawings.

artistic

A synonym for a freehand drawing is a __________.

sketch

Perpendicular lines are lines that make an angle of __________ with each other.

$$90^\circ$$

Lines which never meet even if prolonged or extended to any length are called __________ lines.

parallel

A regular curve can be a circle, an arc, or an __________.

ellipse

Furniture, drafting machines, and other larger items found in a drawing room are classified as __________.

equipment

The part of a T-square that slides on the edge of the drawing board is called the __________.

head

The body of a T-square is also referred to as the __________.

blade

The three types of T-squares are Fixed Head, Adjustable Head, and __________ Head T-square.

Removable

The two common triangular tools used in drafting are the $45^\circ$ triangle and the __________ triangle.

$$30^\circ-60^\circ$$

An irregular curve is sometimes referred to as a __________ curve.

French

The thin rod forming pencil lead is made of __________ clay.

Kaolin

A __________ pencil grade is used when extreme accuracy is required for graphs, diagrams, and charts.

hard

A mechanical pencil is also known as a __________ pencil.

clutch

A tool made of metal with irregular holes used to protect surrounding drawing lines during erasing is an __________.

erasing shield

A __________ eraser is useful for making changes and correcting errors, while a soft eraser is best for smudges.

harder

A __________ scale is used to reproduce drawing measurements in full size, reduced size, or enlarged size.

triangular