In an open pair, the two elements of a pair? Mark as favorite Copy Link have a surface contact when in motion have a line or point contact when in motion are kept in contact by the action of external forces, when in motion are not held together mechanically Check Answer
A point on a connecting link (excluding end points) of a double slider crank mechanism traces a? Mark as favorite Copy Link straight line path hyperbolic path parabolic path elliptical path Check Answer
The contact ratio is given by? Mark as favorite Copy Link Length of the path of approach / Circular pitch Length of the path of recess / Circular pitch Length of the arc of contact / Circular pitch Length of the arc of approach / cos ? Check Answer
Which of the following is an example of a higher pair? Mark as favorite Copy Link Toothed gearing Belt and rope drive Ball and roller bearing all of these Check Answer
Creep in belt drive is due to? Mark as favorite Copy Link weak material of the belt weak material of the pulley uneven extensions and contractions of the belt when it passes from tight side to slack side expansion of the belt Check Answer
The coriolis component of acceleration depends upon? Mark as favorite Copy Link velocity of slider angular velocity of the link both (a) and (b) none of these Check Answer
The mechanism consisting of three turning pairs and one sliding pair, is called a? Mark as favorite Copy Link single slider crank chain Whitworth quick return motion mechanism crank and slotted lever quick return motion mechanism all of the above Check Answer
A rotary internal combustion engine has ………….. cylinders? Mark as favorite Copy Link four five six seven Check Answer
The component of the acceleration, parallel to the velocity of the particle, at the given instant is called? Mark as favorite Copy Link radial component tangential component coriolis component none of these Check Answer
The coriolis component of acceleration exists whenever a point moves along a path that has? Mark as favorite Copy Link linear displacement rotational motion gravitational acceleration tangential acceleration Check Answer