Grasshopper mechanism
Watt mechanism
Peaucellier's mechanism
Tchabichiff mechanism
will remain same
will change
could change or remain unaltered depending oh which link is fixed
will not occur
2 links and 3 turning pairs
3 links and 4 turning pairs
4 links and 4 turning pairs
5 links and 4 turning pairs
equal to sum of other two
greater than sum of other two
less than sum of other two
there is no such relationship
Whitworth quick return mechanism
hand pump
oscillating cylinder engine
all of the above