Theory of Machines MCQ with Answers

Theory of Machines MCQ with Answers

282) A system of masses rotating in different parallel planes is in dynamic balance if the

Answer is:

resultant force and resultant couple are both equal to zero

283) The velocity of sliding __________ the distance of the point of contact from the pitch point.

Answer is:

is directly proportional to

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

285) A simple spring-mass vibrating system has a natural frequency of f_n. If the spring stiffness is halved and the mass is doubled, then the natural frequency will become

Answer is:

f_n/2

286) The axis of precession is __________ to the plane in which the axis of spin is going to rotate.

Answer is:

perpendicular

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