Engineering Graphics Class Module 3 _ IIT Bombay Professor _Semester 1 and 2 _ Episode 21
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LearningTranscript
00:00you
01:00have to draw a triangle with maximum base and maximum altitude to fix H and V1.
01:30You have to draw a triangle with maximum base and maximum altitude to fix H and V1.
02:00You have to draw a triangle with maximum base and maximum altitude to fix H and V1.
02:30You have to draw a triangle with maximum base and maximum altitude to fix H and V1.
02:37You have to draw a triangle with maximum base and maximum altitude to fix H and V1.
02:42You have to draw a triangle with maximum base and maximum altitude to fix H and V1.
02:47You have to draw a triangle with maximum base and maximum altitude to fix H and V1.
02:52You have to draw a triangle with maximum base and maximum altitude to fix H and V1.
02:57You have to draw a triangle with maximum base and maximum altitude to fix H and V1.
03:02You have to draw a triangle with maximum base and maximum altitude to fix H and V1.
03:07You have to draw a triangle with maximum base and maximum altitude to fix H and V1.
03:12You have to draw a triangle with maximum base and maximum altitude to fix H and V1.
03:17You have to draw a triangle with maximum base and maximum altitude to fix H and V1.
03:22You have to draw a triangle with maximum base and maximum altitude to fix H and V1.
03:27You have to draw a triangle with maximum base and maximum altitude to fix H and V1.
03:32You have to draw a triangle with maximum base and maximum altitude to fix H and V1.
03:37You have to draw a triangle with maximum base and maximum altitude to fix H and V1.
03:42You have to draw a triangle with maximum base and maximum altitude to fix H and V1.
03:47You have to draw a triangle with maximum base and maximum altitude to fix H and V1.
03:51You have to draw a triangle with maximum base and maximum altitude to fix H and V1.
03:56You have to draw a triangle with maximum base and maximum altitude to fix H and V1.
04:01You have to draw a triangle with maximum base and maximum altitude to fix H and V1.
04:06You have to draw a triangle with maximum base and maximum altitude to fix H and V1.
04:11You have to draw a triangle with maximum base and maximum altitude to fix H and V1.
04:16You have to draw a triangle with maximum base and maximum altitude to fix H and V1.
04:21You have to draw a triangle with maximum base and maximum altitude to fix H and V1.
04:26You have to draw a triangle with maximum base and maximum altitude to fix H and V1.
04:31You have to draw a triangle with maximum base and maximum altitude to fix H and V1.
04:36You have to draw a triangle with maximum base and maximum altitude to fix H and V1.
04:41You have to draw a triangle with maximum base and maximum altitude to fix H and V1.
04:46You have to draw a triangle with maximum base and maximum altitude to fix H and V1.
04:51You have to draw a triangle with maximum base and maximum altitude to fix H and V1.
04:56You have to draw a triangle with maximum base and maximum altitude to fix H and V1.
05:01You have to draw a triangle with maximum base and maximum altitude to fix H and V1.
05:06You can cut off the section top view by goods.
05:11You can cut off the section top view by goods.
05:16You can cut off the parking lot with goods.
05:21You can save your data as usual for next.
05:26You can save your data as usual for next.
05:31If you don't have space, you can use this line as a base line
05:38I am drawing a parallel line here
05:41I drew a parallel line
05:44Then I am taking the perpendicular
05:46Perpendicular from 1 and 2
05:50Perpendicular from 1 and 2
05:54Then perpendicular from 3
05:59Now take the compass and mark the distances
06:02First distance
06:04Distance from 1 to section point 1 in the x-ray line
06:08If you have drawn a new line in the perpendicular line from 1, you can mark it there
06:13So you will get first point 1
06:15Then second
06:17Distance from x-ray line to 2
06:21I marked a new line in the perpendicular line from 2
06:24So I got 1 and 2
06:26Distance from x-ray line to 3
06:30I marked a new line in the perpendicular line from 3
06:35I got 3
06:36So these three points
06:38This is point 1
06:40This is point 2
06:42This is point 3
06:43If you connect these three points, you will get the triangle with maximum base and maximum
06:49This is the triangle with maximum base and maximum altitude
06:55Mark the two shapes
06:59Maximum base and maximum altitude is a given data
07:04It is like a value
07:06Maximum base and maximum altitude
07:09To get the maximum base
07:12I fixed it between 1 and 2
07:14I tied it up and down
07:17I drew a section from here to here
07:20This is the edge
07:21If you want to get the maximum edge
07:23If you want to get the maximum edge, come to point 3
07:25This is the edge
07:27This is the edge
07:30If you cut it here, the edge length will be reduced
07:34The maximum you get is in this point
07:37You have to hide the remaining portions
07:40This is the remaining portion
07:45This is the remaining portion
07:49This is the remaining portion
07:53I cut the portions
07:54The second part is 32B
07:58The specialty of 32B
08:00This is the triangular prism
08:05The true shape is
08:07A triangle with base 32 and altitude 50
08:11You have to pay attention to the question
08:13In 32B, the base is 32 and the altitude is 28
08:18We can't do the question with 28
08:20Please correct the question
08:22Base is 32 and altitude is 50
08:25We can't do the question with 28
08:29We can do the question with any value above 28
08:31I took 50 value randomly
08:33It is difficult to do in 28
08:35We are going to do this
08:36We drew a triangle here
08:43We have to fix the height
08:47This is the edge
08:49As usual, the perpendicular distance is V1
08:52The triangle with base is 32
08:55V1 is equal to 32
08:57In the previous case, V1 was maximum
08:59In this case, the value is 32
09:01In the previous case, the edge is maximum
09:03In this case, the value of the edge is 50
09:06H is equal to 50 and V1 is equal to 32
09:09When I said maximum, I fixed the maximum between these two lines
09:14It was between these two points
09:16Here, the value is 32
09:19Here, the value is 32 vertically
09:21Keep the scale and measure between these two lines
09:25The length of this is 40
09:26The base edge is 40
09:28When the base edge is 40, we can't do this
09:34When the base edge is 40, the maximum value is 40
09:41If the value is 32, move the scale parallel
09:44When the base edge is 32, we can't do this
09:49Fix the value
09:51We can fix the value
09:53This is the first point 1
09:55This is the second point 2
09:58The value of 1 and 2 is projected upwards
10:00The value of 1 and 2 is projected upwards
10:03I projected it upwards
10:05I got the value here
10:07The value of 1 and 2 is projected upwards
10:13The value of 1 and 2 is projected upwards
10:15We need the third point
10:17We need the third point
10:19In the previous case, the maximum value was here
10:21In this case, the maximum value is here
10:23We need the third point
10:25We need to cut the C3 line to get the triangle
10:28To get the maximum height triangle, we need to pass 3
10:31This is the question we did earlier
10:33We need to pass 3
10:36This is not the maximum value
10:38This is the height value
10:40Altitude is 50
10:42How much is the altitude?
10:44It is the length of the edge
10:46We are going to cut from here to here
10:48Take 50 in the compass and cut
10:50That means
10:52Take 50 in the compass
10:54Take 50 in the edge value
10:56Then
10:58Keep this point
11:00Cut in this line
11:02We will get the length h50
11:04We will get the length h50
11:06If the length is h40
11:08Take 40 in the compass and cut
11:10We need to take the altitude
11:12We need to take the altitude
11:14We got the value here
11:16This is the third point
11:18We need to pass 3
11:20We need to pass 3
11:221,2
11:24We need to pass 3
11:26We need to pass 3
11:28We need to pass 3
11:30But we need to pass 3
11:32We were passing them
11:34We passed them
11:36And here
11:40We must also pass the remaining section
11:42Here we need to pass these
11:44We need to pass these
11:54It is not a full triangle
11:56It is small triangle
11:58So this will be the sectional top view.
12:01When you hatch the remaining section, remember that this is the only portion in the front view.
12:06The portion above this has been cut off.
12:09So you have to show the base.
12:12Then show this length.
12:14Along with that, there is one more thing.
12:17This point is only from here to here.
12:20That's it.
12:20The rest of these portions have been cut off.
12:24This was because the height was 50.
12:27If the height is 40, you have to take 40 from here and cut it.
12:29If the height is 20, you can't take 28.
12:32If you take 28 from here, you won't get 28.
12:34It will come to this point.
12:35That's why you have to ask what is the value above 28.
12:38If the triangle with the base 32 and maximum height is the same,
12:44fix the base 32 here and when it comes to maximum height,
12:47it will come to 3.
12:48Now it's maximum.
12:49If there is no maximum value, you have to take that value and cut it.
12:53That's how you have to do it.
12:54What do you have to do to see if you get that triangle?
12:57Draw a parallel line.
12:59I drew a parallel line here.
13:01Then draw perpendicular lines.
13:04Perpendicular line from 1 and 2.
13:13Then perpendicular line from 3.
13:18Section point 3.
13:20Then take the compensated distance.
13:23Take the compensated distance from 1 to the x-axis.
13:29Mark it in the perpendicular line from 1.
13:31You will get point 1 in the true shape.
13:35Then take the compensated distance from 2.
13:40Mark it.
13:41You will get point 2.
13:44Then take the compensated distance from x-axis to 3.
13:48Mark it in the perpendicular line from 3.
13:50You will get the third point.
13:53These three are the points of the true shape.
13:56This one is 1, this is 2, and this is 3.
13:59Connect these three points.
14:03You will get the true shape triangle with base 32.
14:11This is 32.
14:12If you measure the distance,
14:14the height will be 50.
14:17Because we have taken 50.
14:20You will get the true shape according to the source.
14:25This is 50.
14:26This is 50.
14:27Is it clear?
14:28You have to do the dimensions and other things.
14:31This is the second question.