UGC NET CSE | September 2013 | Part 3 | Question: 60

Question

A diametric projection is said to be trimetric projection when

1. two of the three foreshortening factors are equal and third is arbitrary
2. all of the three foreshortening factors are equal
3. all of the three foreshortening factors are arbitrary

Which of the above is true?

• A. I and II
• B. II and III
• C. I only
• D. III only

Answer 1

Ans is C option;

https://books.google.co.in/books?id=3AQFN4IzBAoC&pg=PA138&lpg=PA138&dq=A+diametric+projection+is+said+to+be+trimetric+projection+when+i.+two+of+the+three+foreshortening+factors+are+equal+and+third+is+arbitrary.+ii.+all+of+the+three+foreshortening+factors+are+equal.+iii.+all+of+the+three+foreshortening+factors+are+arbitrary&source=bl&ots=Jzqx_ElOvB&sig=ACfU3U0EcFRYdLH3Q3YZoKHfZb7gsT8TDQ&hl=en&sa=X&ved=2ahUKEwjYrPSKgufiAhUFXisKHSKGBX8Q6AEwA3oECAkQAQ#v=onepage&q=A%20diametric%20projection%20is%20said%20to%20be%20trimetric%20projection%20when%20i.%20two%20of%20the%20three%20foreshortening%20factors%20are%20equal%20and%20third%20is%20arbitrary.%20ii.%20all%20of%20the%20three%20foreshortening%20factors%20are%20equal.%20iii.%20all%20of%20the%20three%20foreshortening%20factors%20are%20arbitrary&f=false

Comments

I think C is the answer if the question were when a Trimetric Projection is said to be diametric projection