Theory of Machine
The Kutzbach criterion for determining the number of degrees of freedom (n) is (where l = number of links, j = number of joints and h = number of higher pairs)

n = 2(l - 1) - 2j - h
n = 2(l - 1) - 3j - h
n = 3(l - 1) - 2j - h
n = 3(l - 1) - 3j - h

ANSWER DOWNLOAD EXAMIANS APP

Theory of Machine
In a single slider crank chain

Each of the four pairs is a turning pair
One is a turning pair and three are sliding pairs
Two are turning pairs and two are sliding pairs
Three are turning pairs and one is a sliding pair

ANSWER DOWNLOAD EXAMIANS APP