Theory Of Machine - Study Mode
[#306] An exact straight line motion mechanism is a
Correct Answer
(D) All of these
[#307] In a mechanism, usually one link is fixed. If the fixed link is changed in a kinematic chain, then relative motion of other links
Correct Answer
(A) Will remain same
[#308] In a Hartnell governor, the stiffness of the spring is given by (where S 1 and S 2 = Spring forces exerted on the sleeve at max. and min. radii of rotation and h = Compression of the spring)
Correct Answer
(B) $$frac{{{{ ext{S}}_1} - {{ ext{S}}_2}}}{{ ext{h}}}$$
[#309] When the radius of rotation of balls __________ as the equilibrium speed increases, the governor is said to be unstable.
Correct Answer
(B) Decreases
[#310] The working depth of a gear is the radial distance from the
Correct Answer
(D) Addendum circle to the clearance circle