1. Engineering Graphics 2018-19-I
Lecture 19
TA101A
Engineering Graphics I By
Dr. Mukesh Sharma
Professor
DEPARTMENT OF CIVIL ENGINEERING
INDIAN INSTITUTE OF TECHNOLOGY KANPUR
KANPUR , INDIA

2. Intersection of a line and plane – EV methodTL 2A 5H 1A 1H H 5A F 1F 2F
2’F 4F 5F 3F
Intersection of a line and plane – EV method

3. Intersection of Lines and planes – Cutting Plane MethodXH 2H YH 1H 5H H F 1F YF 4F 2F 5F XF
Check visibility 3F
Intersection of Lines and planes – Cutting Plane Method

4. Intersection of two planes – Edge View MethodTL 7H 1A
4H’ 5A 1H H A 5H H 6F F 1F
4F’ 4F 2F 5F 3F 7F
Intersection of two planes – Edge View Method

5. Intersection of two planes – Cutting Plane MethodXH RH 2H YH 4H 7H SH 1H 5H H F 6F 1F YF SF 4F 2F 5F RF XF 3F 7F
Intersection of two planes – Cutting Plane Method

6. Example: Two Planes given – third plane perpendicular to two planes
900 B1 A1 R1 TL Q1 P1 QT CT BT RT 1 DT d H PT AT H F BF PF d DF AF QF CF RF
Example: Two Planes given – third plane perpendicular to two planes
Draw its Top View if front view and a point n top view given – What is the concept?

7. Normal view of solid surface
Direction of
normal view
Horizontal Plane
Profile Plane
Frontal Plane
Applications – Inclined/Oblique Surface on object
Obtain true shape of surface and if necessary project its (inclined plane)
features on top and front views

8. Simple problem of inclined surface
B-D B D
Simple problem of inclined surface

9. C D B A C
Normal View D A
Direction of Normal View B AC A C D BD B

10. DE A EV 1 CB H
Distance from
H transferred
here C 1 D 2 D TL TL C B E E H F
Distance from
1 transferred
here
Normal View
(TS) B C B E D

11. Example: True shape of oblique surface and concept of Reference plane1
R1, 2 R1 3 5 4 EV 4 R2 3 5 1 2 H R1 H'
R1' 1 H 2 3 4 5 TL H F 1 2 3 4 5 H
Reference plane,R1
Example: True shape of oblique surface and concept of Reference plane