Q1: Draw the projections of the lines and find the true length and V , H ,a, ß: 1. AB, A=(1,3), B=(3,3), distance between projections of the points A & B is 5 cm. 2. CD , C=(2.5,6), D=(2.5,2), distance between projections of the points C &D is 4 cm. 3. EF, E=(5.5,3), F=(5.5,3), distance between projections of the points E & Fis 4.5 cm.

Q1: Draw the projections of the lines and find the true length and V , H ,a, ß: 1. AB, A=(1,3), B=(3,3), distance between projections of the points A & B is 5 cm. 2. CD , C=(2.5,6), D=(2.5,2), distance between projections of the points C &D is 4 cm. 3. EF, E=(5.5,3), F=(5.5,3), distance between projections of the points E & Fis 4.5 cm.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Concept explainers

Metrology of Screw Threads

Screw threads are a series of ridges having the profile of a helix. This helix profile runs continuously along the length of a uniform solid or a hollow bar of a circular cross-section at periodic intervals. These helix ridges are also formed over a conical bar. These continuous helical ridges are termed threads.

Question

Q1: Draw the projections of the lines and find the true length and V , H ,a , B:
1. AB, A=(1,3), B=(3,3), distance between projections of the points A & B is 5 cm.
2. CD , C=(2.5,6), D=(2.5,2), distance between projections of the points C &D is 4 cm.
3. EF, E=(5.5,3), F=(5.5,3), distance between projections of the points E & Fis 4.5 cm.
4. JK , J=(3,0), K=(6.5,0), distance between projections of the points J & K is 5 cm.
5. NM , N=(0,1.5), M=(0,6), distance between projections of the points N & M is Zero.
6. RT, R=(0,4), T=(0,4), distance between projections of the points R & T is 4 cm.

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