Unit Conversions For Scales in Engineering Drawing

10 millimeters = 1 centimeter

10 centimeters = 1 decimeter

10 decimetres = 1 meter

10 meters      = 1 decameter   

10 decameters = 1 hectometer

10 hectometers = 1 kilometer

1000 meters = 1 kilometer    

1 inch = 2.54cm  

  12 inches   = 1 foot  

   3 feet     = 1 yard    

  22 yards    = 1 chain 

  10 chains   = 1 furlong

   8 furlongs = 1 mile

5280 feet     = 1 mile  

1760 yards    = 1 mile

220 yards    = 1 furlong 

100 sq. mm     = 1 sq. cm

10000 sq. cm     = 1 sq. metre

100 sq. meters = 1 acre

100 acres       = 1 hectare

10000 sq. meters = 1 hectare

100 hectares   = 1 sq. kilometer 

1000000 sq. meters = 1 sq. kilometer

144 sq. inches = 1 square foot

   9 sq. feet   = 1 square yard

4840 sq. yards  = 1 acre

640 acres      = 1 square mile 

Engineering Drawing Notes

The following link is for first unit i.e., conic sections, engineering curves and scales:

https://drive.google.com/folderview?id=0Bx7BNvoNSOt0QVdPSjNnWHp3VGc&usp=sharing

The following link is for first unit i.e., Projection of points, lines and planes:

 

https://drive.google.com/folderview?id=0Bx7BNvoNSOt0VUtLTGVfM2ZJOEk&usp=sharing

The following link is for first unit i.e., Projection of solids and sections & sectional views:

 

https://drive.google.com/folderview?id=0Bx7BNvoNSOt0WmQ0TnhyZ2c2M0k&usp=sharing

Thermodynamics - Refrigeration Cycles

Thermodynamics - Power Cycles