284) The radial distance from the top of a tooth to the bottom of a tooth in a meshing gear, is called
Answer is:
clearance
Related Theory of Machines MCQ with Answers
286) The axis of precession is __________ to the plane in which the axis of spin is going to rotate.
Answer is:
perpendicular
Answer is:
completely constrained motion
Explanation:
When the motion between a pair is limited to a definite direction irrespective of the direction of force applied, then the motion is said to be a completely constrained motion.
Answer is:
incompletely constrained motion
Explanation:
When the motion between a pair can take place in more than one direction, then the motion is called an incompletely constrained motion. The change in the direction of impressed force may alter the direction of relative motion between the pair. A circular bar or shaft in a circular hole is an example of an incompletely constrained motion as it may either rotate or slide in a hole.
