Theory of Machine
The frequency of oscillation of a torsional pendulum is

r/2πk. √(g/l)
r/2πk. √(l/g)
2πr/k. √(g/l)
2πk/r. √(g/l)

ANSWER DOWNLOAD EXAMIANS APP

Theory of Machine
In a four bar chain or quadric cycle chain

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

ANSWER DOWNLOAD EXAMIANS APP