make a elips in engineering drawing semester 1st/By Deepak sir. /shiva coaching ballia//question👇👇

Question :


sakendra bidhi dwara...
80mm dirgh aach aur 60 mm laghu aach wale ek elips ka nirman kijiye???



solution......


1st step....

80mm ki central line draw krenge phir uske center se 60 mm ki line draw krenge ye dono line 2part me equal equal bat jayegi

2nd step....

40 mm trijya lekr ek circle draw krenge phir 30 mm ka circle draw krenge

3rd step.....

jha pr dono line ka center hai wha pr protector ko rkh k 30degree ka angel lelenge aur aaisa 150 degree tk 5 part me divide kr denge



4th step.....

bahr wale circle pr 0 se 12 tk drnote kr denge jha jha line touch kiya hai aur andr wale circle pr 0' se 12' tk denote krenge

5th step....

bahr wale circle me jha jha jo number hai usko andr wale same number k samne upr/niche le jayenge phir uske bad andr wale circle se chhatijh rekha k samantar rekha kitch k us line ko mila denge jo niche ya upr kitche hai ye line sab line ko ek ek point pr kategi



6th step.....



sabhi kate point ko milane pr elips ban jayega







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