Theory Of Machine - Study Mode
[#366] In a spring controlled governor, when the controlling force ________ as the radius of rotation increases, it is said to be a stable governor.
Correct Answer
(C) Increases
[#367] In order to double the period of a simple pendulum, the length of the string should be
Correct Answer
(C) Quadrupled
[#368] In a disc clutch, if there are n 1 number of discs on the driving shaft and n 2 number of discs on the driven shaft, then the number of pairs of contact surfaces will be
Correct Answer
(C) n 1 + n 2 - 1
[#369] In gears, interference takes place when
Correct Answer
(A) The tip of a tooth of a mating gear digs into the portion between base and root circles
[#370] If $$frac{omega }{{omega { ext{n}}}}$$ is very high for a body vibrating under steady state vibrations, the phase angle for all values of damping factors, will tend to approach
Correct Answer
(C) 180°