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Engineering Drawing

PLANES OF PROJECTION

PLANES OF PROJECTION Plane Plane is a two dimensional smooth surface having the third dimension negligible. Projection Projection is ...

ORTHOGRAPHIC DRAWING FACES OF THE OBJECT

ORTHOGRAPHIC DRAWING FACES OF THE OBJECT There are six main faces of the object namely front, back or rear, left side, right side, top and ...

Use of Instruments and Lettering PROBLEMS

PROBLEMS 2.1 Leaving a gap of 1-in from the top border line, draw guide lines for five lettering lines maintaining height of letters equal to ...

HINTS FOR GOOD LINEWORK

HINTS FOR GOOD LINEWORK 1. Ordinary main lines on the drawing should be thin but at the same time bright and these should be of uniform ...

Array

APPLIED GEOMETRY To Join Two Lines at Right Angle by a Quarter Circle There may be two methods to locate centre of the curve so that it ...

LETTERING ON THE DRAWING

LETTERING ON THE DRAWING Generally all the lettering on the sheet is carried out in capital letters and following points should be kept in mind ...

MEASUREMENTS IN FRACTIONS OF AN INCH

MEASUREMENTS IN FRACTIONS OF AN INCH By any fraction x/y (of any quantity or unit), we mean that the given quantity is divided first into ...

BORDER LINES AND SEAL

BORDER LINES AND SEAL Border line is usually drawn with HB-pencil leaving 1/2" spacing from all the sides except on the left where it ...

FIXING THE DRAWING SHEET

FIXING THE DRAWING SHEET Drawing sheet should be fixed on the board in. such a way that its upper longer side is truly horizontal. First of ...

HORIZONTAL AND VERTICAL LINES ON THE BOARD

HORIZONTAL AND VERTICAL LINES ON THE BOARD For right-handers, board should always be placed in such a position so that its working edge is on ...

SHARPENING THE PENCIL

SHARPENING THE PENCIL Lead of a pencil should always be kept sharp, only a sharp lead is capable of producing clean black lines that sparkle ...

CLASSIFICATION OF LINES

USE OF INSTRUMENTS AND LETTERING CLASSIFICATION  OF LINES Lines may be classified according to their thickness, darkness and shape: ...

“Design is the act of creating the specifications for a product or process that best satisfies the design criteria.

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