# Relation between quaternary joints & binary joints - Theory of Machines - 1

Q.  One quaternary joint is equal to how many binary joints?
- Published on 06 Aug 15

a. 4
b. 3
c. 2
d. none of the above

#### Discussion

• Surya   -Posted on 21 Jul 16
I want explanation of ternary joint is equal to 2 binary joints
• Sravanthi   -Posted on 19 Oct 15
- A joint is called as quaternary joint if, four links are joined together at a same point to form a kinematic chain.

- One quaternary joint is equivalent to three binary joints. A kinematic chain formed when two links are joined together at a same point is called as binary joint.

- A kinematic chain formed due to three links joined together at a same point is called as ternary joint.

- Two binary joints form one ternary joint.

- Binary joints are formed when two links are connected at a same point to form kinematic chain.

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