Theory of Machine
The swaying couple is maximum or minimum when the angle of inclination of the crank to the line of stroke (θ) is equal to

270° and 360°
180° and 270°
45° and 225°
90° and 180°

ANSWER DOWNLOAD EXAMIANS APP

Theory of Machine
The relation l = (2/3).(j + 2) apply only to kinematic chains in which lower pairs are used. This may be used to kinematic chains in which higher pairs are used, but each higher pair may be taken as equivalent to

Any one of these
One lower pair and two additional links
Two lower pairs and one additional link
Two lower pairs and two additional links

ANSWER DOWNLOAD EXAMIANS APP