Theory of Machine The instantaneous center of a rigid thin disc rolling on a plane rigid surface is located at The center of the disc The point of contact The point on the circumference situated vertically opposite to the contact point An infinite distance on the plane surface The center of the disc The point of contact The point on the circumference situated vertically opposite to the contact point An infinite distance on the plane surface ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When two pulleys are connected by means of a cross belt drive, then both the pulleys will rotate in _________ directions. Same None of these Perpendicular Opposite Same None of these Perpendicular Opposite ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The cam and follower is an example of Higher pair Rolling pair Sliding pair Lower pair Higher pair Rolling pair Sliding pair Lower pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a reciprocating engine, usually __________ of the reciprocating masses are balanced. Three-fourth One-half Whole Two-third Three-fourth One-half Whole Two-third ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The frequency of oscillation of a torsional pendulum is 2πk/r. √(g/l) 2πr/k. √(g/l) r/2πk. √(l/g) r/2πk. √(g/l) 2πk/r. √(g/l) 2πr/k. √(g/l) r/2πk. √(l/g) r/2πk. √(g/l) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine If ω/ωn is very high for a body vibrating under steady state vibrations, the phase angle for all values of damping factors, will tend to approach 180° 360° 0° 90° 180° 360° 0° 90° ANSWER DOWNLOAD EXAMIANS APP