Challenger App

No.1 PSC Learning App

1M+ Downloads
A Perfect frame is one in which has just sufficient number of members to keep the frame in equilibrium and satisfy the relation

An = (2j-3)

Bn =(2j-2)

Cn = (2j-1)

Dn = (2j-2)

Answer:

A. n = (2j-3)


Related Questions:

A double ordinate passing through the focus of the conic is known as
Plywood is specified by
Which of the following is the prominent language spoken by 5.03% population of India as per 2011 census?
Sand passing through a screen with clear openings of 3.175 mm is known as:
ശ്രേണിയിലെ വിട്ട ഭാഗം എത്ര? 2, 5, 11, 23, ------