Theory of Machine In an open pair, the two elements of a pair Are kept in contact by the action of external forces, when in motion Are not held together mechanically Have a line or point contact when in motion Have a surface contact when in motion Are kept in contact by the action of external forces, when in motion Are not held together mechanically Have a line or point contact when in motion Have a surface contact when in motion ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a four-bar chain it is required to give an oscillatory motion to the follower for a continuous rotation of the crank. For the lengths of 50 mm of crank and 70 mm of the follower, determine theoretical maximum length of coupler. The distance between fixed pivots of crank and followers is 45 mm 95 mm Slightly less than 95 mm Slightly more than 95 mm 45 mm 95 mm Slightly less than 95 mm Slightly more than 95 mm ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The radial distance of a tooth from the pitch circle to the bottom of the tooth is called Addendum Working depth Dedendum Clearance Addendum Working depth Dedendum Clearance ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Length of arc of contact is given by Arc of approach / Arc of recess Arc of approach + Arc of recess Arc of approach - Arc of recess Arc of approach × Arc of recess Arc of approach / Arc of recess Arc of approach + Arc of recess Arc of approach - Arc of recess Arc of approach × Arc of recess ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following governor is used to drive a gramophone? Porter governor Hartnell governor Pickering governor Watt governor Porter governor Hartnell governor Pickering governor Watt governor ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The instantaneous center of a rigid thin disc rolling on a plane rigid surface is located at The point on the circumference situated vertically opposite to the contact point An infinite distance on the plane surface The point of contact The center of the disc The point on the circumference situated vertically opposite to the contact point An infinite distance on the plane surface The point of contact The center of the disc ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS