Theory of Machine Which one of the following is an exact straight line mechanism using lower pairs? Grasshopper mechanism Watt’s mechanism Robert’s mechanism Peaucellier’s mechanism Grasshopper mechanism Watt’s mechanism Robert’s mechanism Peaucellier’s mechanism ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The type of coupling used to join two shafts whose axes are neither in same straight line nor parallel, but intersect is Flexible coupling Universal coupling Chain coupling Oldham's coupling Flexible coupling Universal coupling Chain coupling Oldham's coupling ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The steering of a ship means None of these Movement of a complete ship up and down in vertical plane about transverse axis Rolling of a complete ship sideways Turning of a complete ship in a curve towards right or left, while it moves forward None of these Movement of a complete ship up and down in vertical plane about transverse axis Rolling of a complete ship sideways Turning of a complete ship in a curve towards right or left, while it moves forward ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The height of a Watt's governor is Directly proportional to (speed)² Directly proportional to speed Inversely proportional to (speed)² Inversely proportional to speed Directly proportional to (speed)² Directly proportional to speed Inversely proportional to (speed)² Inversely proportional to speed ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Angle of ascent of cam is defined as the angle During which the follower returns to its initial position Through which the cam rotates during the period in which the follower remains in highest position Moved by the cam from the instant the follower begins to rise, till it reaches its highest position Of rotation of the cam for a definite displacement of the follower During which the follower returns to its initial position Through which the cam rotates during the period in which the follower remains in highest position Moved by the cam from the instant the follower begins to rise, till it reaches its highest position Of rotation of the cam for a definite displacement of the follower ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a vibrating system, if the actual damping coefficient is 40 N/m/s and critical damping coefficient is 420 N/m/s, then logarithmic decrement is equal to 0.4 0.6 0.8 0.2 0.4 0.6 0.8 0.2 ANSWER DOWNLOAD EXAMIANS APP