Theory Of Machine - Study Mode
[#301] In a cam drive with uniform velocity follower, the sharp corners of the displacement diagram are rounded off at the beginning and at the end of each stroke. This is done
Correct Answer
(C) In order to have acceleration in beginning and retardation at the end of stroke within the finite limits
[#302] The relation between the controlling force (F c ) and radius of rotation (r) for a stable spring controlled governor is
Correct Answer
(B) F c = ar - b
[#303] The velocity of a particle moving with simple harmonic motion, at any instant is given by (where $$omega $$ = Displacement of the particle from mean position)
Correct Answer
(B) $$omega sqrt {{{ ext{r}}^2} - {{ ext{x}}^2}} $$
[#304] The partial balancing of reciprocating parts in locomotives produces
Correct Answer
(D) All of the above
[#305] The acceleration of a particle at any instant has two components i.e. radial component and tangential component. These two components will be
Correct Answer
(B) Perpendicular to each other