INSTRUMENTS 1 Flashcards
What material is a Drawing Board made of?
It is made of well-seasoned wood strips, about 25 mm thick.
SOFT WOOD USED AS .PIN CAN PINNED
What is the slope given for a Drawing Board?
The slope of the drawing board is 1:8.
20 DEGREE
What is the Working Edge of the Drawing Board?
The working edge of the drawing board is the edge on which the T-square is made to slide. It is also called the Ebony Edge
What wood is traditionally used to make a Drawing Board?
flop Traditional drawing boards are made of Pine Wood (Fir, Oak, Linoleum).
What standard designations are used for drawing boards?
: Standard drawing boards are designated as per IS: 1444-1989.
In drawing board batterns are conneted
tongue and grew joint
In drawing board batterns are used to
prevent warping
What is a mini drafter?
A mini drafter is a miniature version of a drafting machine.
What functions does a mini drafter serve?
A mini drafter serves the functions of a set square, protractor, and scale.
What is a T-square?
A T-square is an instrument used to draw horizontal lines on a drawing sheet. also used to guide the set square for drawing vertical or inclined lines at 30, 45 or 60 degrees
What are the main parts of a T-square?
Long strip of a T square - Blade
Short strip of a T square - Head or stock
Working Edge of T square - Beveled
: What is a set square?
A set square is an instrument used for drawing parallel lines, perpendicular lines, and some angular lines.
What are the common types of set squares?
45-degree set square: 20 cm in length
* 30-60-degree set square: 25 cm in length
