Engineering Graphics Class Module 4 _ IIT Bombay Professor _Semester 1 and 2 _ Episode 26
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LearningTranscript
00:00you
00:30you
01:00you
01:30you
02:00you
02:0335
02:0935
02:1125, 35, 35
02:13This is the real true shape
02:16So what did we draw first?
02:18We drew the true shape
02:20So what can we find from this?
02:22We can find the edge
02:24In this questionnaire, we have to draw like this
02:26First draw the middle line
02:28Extend the line of these three points
02:30Then fix the line of V1, V3
02:3225
02:34Extend that line
02:36Then fix 25 in that
02:38Then 35
02:40Remaining 4 sides
02:42This questionnaire is 35
02:44This questionnaire is 40
02:46Take the compass and cut
02:48Then cut from that point
02:50We will get the real true shape
02:52What value will we get from that?
02:54We can measure the value of this line
02:56Or we can take the compass
02:58We got the value of the edge
03:005.5
03:02We got the value of the edge
03:04So what will we get?
03:06The value of the edge
03:08What is the value of the edge?
03:10We will get the data
03:12If we get the edge, we can draw the rest
03:14As we have seen earlier
03:16If we have the value of the edge, we can complete the rest of the steps
03:20I am going to complete
03:22To complete, first
03:24This line
03:26Extend it
03:28We don't know where to cut
03:30Extend it
03:32Then
03:34Project the V1 line
03:36That we need
03:38Fixed V1 line
03:40Is the line of two points
03:42Extend it
03:44We don't know where it will go
03:46So project two points
03:48One
03:50Two
03:52We know the next two points
03:54Here are the next two points
04:00Here are the next two points
04:02If it comes in the base, we can know
04:04V3
04:06We got the point of V3
04:08Now what we have to do?
04:10Take the compass
04:12We know the value of the edge
04:14The distance from here to here is the value of the edge
04:16I took it in the compass
04:18From the distance cut in the base
04:20From the distance cut in the V1 line
04:22I am cutting
04:24It is a small height
04:26Cut it
04:28Where is the point?
04:30What to do there?
04:32Stop the solid
04:34What to do?
04:36Horizontal line
04:38Extend the extreme end of the solid
04:42Extend the extreme end here
04:44Then
04:46Where is it cut?
04:48Close it
04:52Extend the center line
04:54It is a small height
04:56Now we have to extend the section
04:58The distance from here to here is the value of the edge
05:00I took the edge
05:02What to do?
05:04Extend the section
05:10This is the section line
05:12Now we can transfer the remaining points
05:14We can give names
05:16This is the height of the solid
05:18This is the height of the solid
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05:241'
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