UNIT I

DRAWING OFFICE PRACTICE (MANUAL DRAFTING AND
COMPUTER AIDED DRAFTING)
IMPORTANCE OF ENGINEERING DRAWING – DRAWING
INSTRUMENTS: DRAWING BOARD, MINI DRAFTER,
COMPASS, DIVIDER, PROTRACTOR, DRAWING SHEETS
ETC., – LAYOUT OF DRAWING SHEETS.
IMPORTANCE OF LEGIBLE LETTERING AND NUMBERING –
SINGLE STROKE LETTERS – UPPER CASE AND LOWER
CASE LETTERS-GENERAL PROCEDURES FOR LETTERING
AND NUMBERING – HEIGHT OF LETTERS – GUIDELINES
INTRODUCTION TO ORTHOGRAPHIC PROJECTION.
DIMENSIONING(MANUAL DRAFTING AND COMPUTER
AIDED DRAFTING)
NEED FOR DIMENSIONING – TERMS AND NOTATIONS AS
PER BIS – DIMENSION LINE, EXTENSION LINE AND
LEADER LINE – METHODS OF DIMENSIONING –
IMPORTANCE OF DIMENSIONING RULES – EXERCISES.
SCALES – STUDY OF SCALES – FULL SIZE SCALE,
REDUCED SCALE AND ENLARGED SCALE

Discussion

Discussion allows you to ask questions directly to the instructor.